Mine Safety Appliances Company
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mine Safety Appliances Company.The latest application filed is for "breathing apparatus with tank alignment system".
Company Profile
1.200.21
Trademarks
- Mine Safety Appliances Company - Cranberry PA US
- MINE SAFETY APPLIANCES COMPANY - Cranberry Township PA US
- Mine Safety Appliances Company; - US
- Mine Safety Appliances Company - Pittsburgh PA
- Mine Safety Appliances Co. - Cranberry Township PA
- Mine Safety Appliances Co. - Pittsburgh PA
Trademarks
Patent Activity
| Patent | Date |
|---|---|
| Suspension connection arrangement for a suspension system of a safety helmet Grant 9,949,522 - Ketterer , et al. April 24, 2 | 2018-04-24 |
| Tank attachment arrangement for a self-contained breathing apparatus Grant 9,943,711 - Losos , et al. April 17, 2 | 2018-04-17 |
| Modular tank cradle and backpack for self-contained breathing apparatus Grant 9,586,065 - Losos , et al. March 7, 2 | 2017-03-07 |
| Adjustment mechanism for a headband arrangement of a safety helmet Grant 9,572,392 - Klotz , et al. February 21, 2 | 2017-02-21 |
| Sensors and sensor housing systems Grant 9,400,257 - Brown , et al. July 26, 2 | 2016-07-26 |
| Adjustable lumbar support for mounting on a backpack and backpack having the same Grant 9,220,333 - Losos , et al. December 29, 2 | 2015-12-29 |
| Breathing Apparatus With Illuminated Connection App 20150151145 - TEKELENBURG; MARCO ; et al. | 2015-06-04 |
| Breathing Apparatus With Tank Alignment System App 20150151146 - TEKELENBURG; MARCO ; et al. | 2015-06-04 |
| Adjustable Lumbar Support for Mounting on a Backpack and Backpack Having the Same App 20150144675 - Losos; David J. ; et al. | 2015-05-28 |
| Modular tank cradle and backpack for self-contained breathing apparatus App 20150144674 - Losos; David J. ; et al. | 2015-05-28 |
| Tank Attachment Arrangement for a Self-Contained Breathing Apparatus App 20150144137 - Losos; David J. ; et al. | 2015-05-28 |
| Protective helmet Grant RE45,459 - Hersick , et al. April 14, 2 | 2015-04-14 |
| Suspension Connection Arrangement for a Suspension System of a Safety Helmet App 20150059066 - Ketterer; Kevin R. ; et al. | 2015-03-05 |
| Adjustment Mechanism for a Headband Arrangement of a Safety Helmet App 20150059065 - Klotz; Robert ; et al. | 2015-03-05 |
| Respirator Mask and Filter Unit Therefore App 20140261437 - Catanzarite; Martin S. ; et al. | 2014-09-18 |
| Electrochemical sensors including electrodes with diffusion barriers Grant 8,702,935 - Davis , et al. April 22, 2 | 2014-04-22 |
| Sensors And Sensor Housing Systems App 20140102898 - BROWN; MICHAEL ALVIN ; et al. | 2014-04-17 |
| Protective enclosure for use with a sensor for detecting an analyte Grant 8,661,896 - Bradley March 4, 2 | 2014-03-04 |
| Sensors and sensor housing systems Grant 8,617,364 - Brown , et al. December 31, 2 | 2013-12-31 |
| Sensors and sensor housing systems Grant 08617364 - | 2013-12-31 |
| Protective helmet Grant 8,539,613 - Hersick , et al. September 24, 2 | 2013-09-24 |
| Protective helmets and method of manufacture thereof Grant 8,522,418 - Hersick September 3, 2 | 2013-09-03 |
| Chest strap arrangement for an attachable arrangement Grant 8,469,147 - Myers , et al. June 25, 2 | 2013-06-25 |
| Protective helmets and method of manufacture thereof Grant 8,464,362 - Hersick June 18, 2 | 2013-06-18 |
| Visor frame Grant D683,501 - Klotz , et al. May 28, 2 | 2013-05-28 |
| Visor interface Grant D683,077 - Klotz , et al. May 21, 2 | 2013-05-21 |
| Visor Grant D683,078 - Klotz , et al. May 21, 2 | 2013-05-21 |
| Visor Grant D677,435 - Klotz , et al. March 5, 2 | 2013-03-05 |
| Visor Grant D677,008 - Klotz , et al. February 26, 2 | 2013-02-26 |
| Visor Grant D675,786 - Klotz , et al. February 5, 2 | 2013-02-05 |
| Visor interface Grant D675,785 - Klotz , et al. February 5, 2 | 2013-02-05 |
| Visor Grant D675,787 - Klotz , et al. February 5, 2 | 2013-02-05 |
| Visor Grant D675,788 - Klotz , et al. February 5, 2 | 2013-02-05 |
| Release mechanism for harness system Grant 8,356,692 - Steck , et al. January 22, 2 | 2013-01-22 |
| Chin guard Grant D674,560 - Klotz , et al. January 15, 2 | 2013-01-15 |
| Chin guard Grant D672,683 - Klotz , et al. December 18, 2 | 2012-12-18 |
| Visor Grant D669,639 - Klotz , et al. October 23, 2 | 2012-10-23 |
| Devices, systems and method of determining the location of mobile personnel Grant 8,289,154 - Kodrin , et al. October 16, 2 | 2012-10-16 |
| Devices, systems and methods for operation of breathing apparatuses in multiple modes Grant 8,256,420 - Prete September 4, 2 | 2012-09-04 |
| Devices and systems including transducers Grant 8,229,142 - Colaizzi , et al. July 24, 2 | 2012-07-24 |
| Protective helmet Grant 8,225,419 - Hersick , et al. July 24, 2 | 2012-07-24 |
| Visor Grant D662,261 - Klotz , et al. June 19, 2 | 2012-06-19 |
| Visor frame Grant D661,840 - Klotz , et al. June 12, 2 | 2012-06-12 |
| Visor Grant D661,841 - Klotz , et al. June 12, 2 | 2012-06-12 |
| Equipment and method for identifying, monitoring and evaluating equipment, environmental and physiological conditions Grant 8,085,144 - Appelt , et al. December 27, 2 | 2011-12-27 |
| Pressure regulator assembly Grant 8,025,053 - Prete , et al. September 27, 2 | 2011-09-27 |
| Respirator Mask for a Compressed Air Breathing Apparatus App 20110226251 - Kling; Peter | 2011-09-22 |
| Devices, systems and methods for testing gas sensors and correcting gas sensor output Grant 7,959,777 - Scheffler June 14, 2 | 2011-06-14 |
| Body armor and closure mechanism for use in body armor Grant 7,954,167 - Leathers June 7, 2 | 2011-06-07 |
| Navigational System Initialization System, Process, and Arrangement App 20110098921 - Miller; Paul A. ; et al. | 2011-04-28 |
| Protective Headwear App 20110072547 - Doria; Mason T. ; et al. | 2011-03-31 |
| Ballistic Panel Assemblies For Use In Body Armor And Method Of Forming Ballistic Panel Assemblies App 20110061522 - Jarrett; Michael Wayne | 2011-03-17 |
| Protective padding and protective padding systems Grant 7,904,971 - Doria , et al. March 15, 2 | 2011-03-15 |
| Photoacoustic gas sensor Grant 7,886,576 - Uber February 15, 2 | 2011-02-15 |
| Personal Navigation System and Associated Methods App 20110029241 - Miller; Paul A. ; et al. | 2011-02-03 |
| Self-retracting lanyard and braking mechanism with pawl lockout Grant 7,870,934 - Ecker January 18, 2 | 2011-01-18 |
| Method, Apparatus, and Arrangement for a Lifeline System App 20100294590 - Bodnar; Jonathan ; et al. | 2010-11-25 |
| Gas sensors and methods of controlling light sources therefor Grant 7,835,004 - Uber , et al. November 16, 2 | 2010-11-16 |
| Devices, systems and methods for operation of breathing apparatuses in multiple modes Grant 7,762,252 - Prete July 27, 2 | 2010-07-27 |
| Spectacle frame mount for face mask Grant 7,677,724 - Erickson , et al. March 16, 2 | 2010-03-16 |
| Devices, Systems and Method of Determining the Location of Mobile Personnel App 20100007485 - Kodrin; David ; et al. | 2010-01-14 |
| Body armor and closure mechanism for use in body armor Grant 7,536,728 - Leathers May 26, 2 | 2009-05-26 |
| Devices, systems and methods for testing of gas detectors Grant 7,530,255 - Frank , et al. May 12, 2 | 2009-05-12 |
| Devices, systems and methods for testing gas sensors and correcting gas sensor output Grant 7,413,645 - Scheffler August 19, 2 | 2008-08-19 |
| Connectors, instrument assemblies and methods of connecting or disconnecting electrical connections under power Grant 7,367,831 - Starta , et al. May 6, 2 | 2008-05-06 |
| Adjustable headband Grant 7,296,305 - Ketterer , et al. November 20, 2 | 2007-11-20 |
| Ballistic resistant devices and systems and methods of manufacture thereof Grant 7,284,470 - Huber , et al. October 23, 2 | 2007-10-23 |
| Respirator facepieces Grant 7,261,104 - Kiefer , et al. August 28, 2 | 2007-08-28 |
| Gas sensors Grant 7,242,479 - Moeckli , et al. July 10, 2 | 2007-07-10 |
| Devices, systems and methods for generating electricity from gases stored in containers under pressure Grant 7,218,009 - Hendrickson , et al. May 15, 2 | 2007-05-15 |
| Photoionization detectors, ionization chambers for use in photoionization detectors, and methods of use of photoionization detectors Grant 7,180,076 - Haverstick , et al. February 20, 2 | 2007-02-20 |
| Electrochemical sensor Grant 7,147,761 - Davis , et al. December 12, 2 | 2006-12-12 |
| Sensor having a communication device, sensor communication system and method of communicating information from a sensor Grant 7,132,659 - Starta , et al. November 7, 2 | 2006-11-07 |
| Communications device for a protective helmet Grant 7,110,743 - Depew , et al. September 19, 2 | 2006-09-19 |
| Photoacoustic gas sensor utilizing diffusion Grant 7,106,445 - Uber September 12, 2 | 2006-09-12 |
| Adjustable headband Grant 7,089,603 - Ketterer , et al. August 15, 2 | 2006-08-15 |
| Gas sensors Grant 7,034,943 - Moeckli , et al. April 25, 2 | 2006-04-25 |
| Catalytic sensor Grant 6,911,180 - Miller , et al. June 28, 2 | 2005-06-28 |
| Protective hoods and neck seals for use therein Grant 6,892,725 - Frund May 17, 2 | 2005-05-17 |
| Instrument assembly systems, housings and methods of mounting instrument assemblies Grant 6,882,523 - Turner , et al. April 19, 2 | 2005-04-19 |
| Webbing Grant D498,363 - Reynolds November 16, 2 | 2004-11-16 |
| Full body harness for fall arrest Grant 6,804,830 - Reynolds , et al. October 19, 2 | 2004-10-19 |
| Connectors, instrument assemblies and methods of connecting or disconnecting electrical connections under power Grant 6,799,984 - Starta , et al. October 5, 2 | 2004-10-05 |
| Rebar anchorage system for horizontal lifeline Grant 6,779,629 - Ecker , et al. August 24, 2 | 2004-08-24 |
| Gas sensor Grant 6,756,016 - Miller , et al. June 29, 2 | 2004-06-29 |
| Instrument assembly systems, housing and methods of mounting instrument assemblies Grant 6,754,067 - Turner , et al. June 22, 2 | 2004-06-22 |
| Alignment and connection mechanism for a mask-mounted regulator Grant 6,651,662 - Prete , et al. November 25, 2 | 2003-11-25 |
| Thermal imaging camera Grant 6,649,912 - Salapow , et al. November 18, 2 | 2003-11-18 |
| Thermal imaging camera Grant D481,053 - Colburn , et al. October 21, 2 | 2003-10-21 |
| Increasing enantioselectivity in reductions with borane reagents Grant 6,610,894 - Matos , et al. August 26, 2 | 2003-08-26 |
| Thermal imaging camera Grant D464,666 - Salapow , et al. October 22, 2 | 2002-10-22 |
| Synthesis and isolation of metal alkoxides Grant 6,444,862 - Burkhardt , et al. September 3, 2 | 2002-09-03 |
| Flexible respirator filter Grant 6,345,620 - Salapow , et al. February 12, 2 | 2002-02-12 |
| Gas sensor Grant 6,344,174 - Miller , et al. February 5, 2 | 2002-02-05 |
| Increasing enantioselectivity in reductions with borane reagents App 20010047116 - Matos, Karl ; et al. | 2001-11-29 |
| Safety helmet assembly Grant 6,317,895 - Erth , et al. November 20, 2 | 2001-11-20 |
| Filter unit and dust-proof mask therewith Grant 6,309,438 - Kanno , et al. October 30, 2 | 2001-10-30 |
| Radio apparatus head-protective helmet Grant 6,298,249 - Locarno , et al. October 2, 2 | 2001-10-02 |
| Pivot joint for faceshield assembly Grant 6,264,392 - Wise , et al. July 24, 2 | 2001-07-24 |
| Head-protective helmet with geodesic dome Grant 6,260,212 - Orotelli , et al. July 17, 2 | 2001-07-17 |
| Dust cassette assembly Grant D441,440 - Hartman May 1, 2 | 2001-05-01 |
| Increasing enatioselectivity in reductions with borane reagents Grant 6,218,585 - Matos , et al. April 17, 2 | 2001-04-17 |
| Electrochemical power cells and method of improving electrochemical power cell performance Grant 6,218,055 - Shah , et al. April 17, 2 | 2001-04-17 |
| Motion sensor Grant 6,198,396 - Frank March 6, 2 | 2001-03-06 |
| Electrochemical power cells and method of improving electrochemical power cell performance Grant 6,180,284 - Shah , et al. January 30, 2 | 2001-01-30 |
| Electrochemical sensor for the detection of hydrogen cyanide Grant 6,074,539 - Dorisio Deininger , et al. June 13, 2 | 2000-06-13 |
| Respirator filter Grant 5,992,414 - Tayebi , et al. November 30, 1 | 1999-11-30 |
| Adjustable headband with a ratchet mechanism having different resistances Grant 5,950,245 - Binduga September 14, 1 | 1999-09-14 |
| Electrochemical sensor with a non-aqueous electrolyte system Grant 5,944,969 - Scheffler , et al. August 31, 1 | 1999-08-31 |
| Detection of hydrogen chloride Grant 5,908,546 - Rollick , et al. June 1, 1 | 1999-06-01 |
| Adjustable headband having a resiliently bowable fastener surface Grant 5,896,586 - Freund April 27, 1 | 1999-04-27 |
| Method of synthesis of alkali metal trisubstituted borohydride reagents Grant 5,886,229 - Corella, II , et al. March 23, 1 | 1999-03-23 |
| High voltage waveform generator Grant 5,801,379 - Kouznetsov September 1, 1 | 1998-09-01 |
| Combustible gas measuring sensor circuit Grant 5,780,715 - Imblum July 14, 1 | 1998-07-14 |
| Self-contained breathing apparatus having a personal alert safety system integrated therewith Grant 5,781,118 - Wise , et al. July 14, 1 | 1998-07-14 |
| Inlet heating device for ion mobility spectrometer Grant 5,763,876 - Pertinarides , et al. June 9, 1 | 1998-06-09 |
| Process for the reduction of copper oxide Grant 5,750,087 - Corella, II , et al. May 12, 1 | 1998-05-12 |
| Recirculating filtration system for use with a transportable ion mobility spectrometer in gas chromatography applications Grant 5,736,739 - Uber , et al. April 7, 1 | 1998-04-07 |
| Recirculating filtration system for use with a transportable ion mobility spectrometer Grant 5,723,861 - Carnahan , et al. March 3, 1 | 1998-03-03 |
| Respirator filter system Grant 5,714,126 - Frund February 3, 1 | 1998-02-03 |
| Electrochemical sensor Grant 5,667,653 - Schneider , et al. September 16, 1 | 1997-09-16 |
| Respirator face mask Grant D382,341 - Freund August 12, 1 | 1997-08-12 |
| Respirator mask with stiffening elements Grant 5,592,937 - Freund January 14, 1 | 1997-01-14 |
| Respirator mask sizing guide Grant 5,584,125 - Prete December 17, 1 | 1996-12-17 |
| Respiratory protective apparatus Grant 5,577,496 - Blackwood , et al. November 26, 1 | 1996-11-26 |
| Helmet respirator apparatus Grant 5,577,495 - Murphy November 26, 1 | 1996-11-26 |
| Electrochemical gas sensor for the detection of nitric oxide Grant 5,565,075 - Davis , et al. October 15, 1 | 1996-10-15 |
| Metal cover for respirator cartridge Grant 5,531,803 - Salapow , et al. July 2, 1 | 1996-07-02 |
| Potentiostat circuit for electrochemical cells Grant 5,466,356 - Schneider , et al. November 14, 1 | 1995-11-14 |
| Ion mobility spectrometer Grant 5,420,424 - Carnahan , et al. May 30, 1 | 1995-05-30 |
| Multiple port personal air sampling apparatus Grant 5,370,004 - Bossart , et al. December 6, 1 | 1994-12-06 |
| Electrochemical toxic gas sensor Grant 5,338,429 - Jolson , et al. August 16, 1 | 1994-08-16 |
| Flow-controlled sampling pump apparatus Grant 5,295,790 - Bossart , et al. March 22, 1 | 1994-03-22 |
| Diagnostic sensor clasp utilizing a slot, pivot and spring hinge mechanism Grant 5,247,931 - Norwood September 28, 1 | 1993-09-28 |
| Deuterated water test method Grant 5,120,659 - King , et al. June 9, 1 | 1992-06-09 |
| Protective helmet Grant 5,117,506 - Byrnes , et al. June 2, 1 | 1992-06-02 |
| Respiration monitor Grant 5,095,900 - Fertig , et al. March 17, 1 | 1992-03-17 |
| Gas analyzer with diffusion filter Grant 5,054,328 - Long , et al. October 8, 1 | 1991-10-08 |
| Oxygen generating candles Grant 5,049,306 - Greer September 17, 1 | 1991-09-17 |
| Cover assembly and pre-filter for a respirator Grant 5,036,844 - Pouchot , et al. August 6, 1 | 1991-08-06 |
| Filter cover assembly for a respirator Grant 5,033,507 - Pouchot July 23, 1 | 1991-07-23 |
| Protective garment cooling device Grant 5,027,807 - Wise , et al. July 2, 1 | 1991-07-02 |
| Breathing mask-hose coupling Grant 4,997,217 - Kunze March 5, 1 | 1991-03-05 |
| Respirator filter means for removal of tritiated water Grant 4,964,900 - Thompson , et al. October 23, 1 | 1990-10-23 |
| Helmet suspension having ratchet adjustment Grant 4,942,628 - Freund July 24, 1 | 1990-07-24 |
| Infrared fluid analyzer Grant 4,902,896 - Fertig, Sr. , et al. February 20, 1 | 1990-02-20 |
| Evanescent sensor Grant 4,893,894 - Caimi January 16, 1 | 1990-01-16 |
| Photo-acoustic detector Grant 4,866,681 - Fertig September 12, 1 | 1989-09-12 |
| Apparatus and method for measuring blood constituents Grant 4,863,265 - Flower , et al. September 5, 1 | 1989-09-05 |
| Combustible gas detector having catalytic sensor stabilizing network Grant 4,854,155 - Poli August 8, 1 | 1989-08-08 |
| Preparation of dialkoxybenzoic acid Grant 4,845,276 - Yu July 4, 1 | 1989-07-04 |
| Thermal battery Grant 4,840,859 - Williams , et al. June 20, 1 | 1989-06-20 |
| Exhalation valve Grant 4,838,262 - Katz June 13, 1 | 1989-06-13 |
| System for metering of breathing gas for accommodation of breathing demand Grant 4,827,964 - Guido , et al. May 9, 1 | 1989-05-09 |
| Device for monitoring hydrocarbons in groundwater Grant 4,818,976 - Schmitt , et al. April 4, 1 | 1989-04-04 |
| Combustible gas detector having temperature stabilization capability Grant 4,818,977 - Alexander April 4, 1 | 1989-04-04 |
| Foam generator adjustable to produce foam having various expansion ratios Grant 4,805,700 - Hoover February 21, 1 | 1989-02-21 |
| Liquid separator Grant 4,799,374 - Bossart , et al. January 24, 1 | 1989-01-24 |
| Electrochemical gas sensor Grant 4,790,925 - Miller , et al. December 13, 1 | 1988-12-13 |
| Humidity compensation for a photoionization type detector Grant 4,778,998 - Carnahan October 18, 1 | 1988-10-18 |
| Replenishable self contained breathing apparatus Grant 4,714,077 - Lambert December 22, 1 | 1987-12-22 |
| Fire-fighting foam Grant 4,713,182 - Hiltz , et al. December 15, 1 | 1987-12-15 |
| Electrochemical cell for the detection of noxious gases Grant 4,707,242 - Schneider , et al. November 17, 1 | 1987-11-17 |
| Electrochemical determination of formaldehyde Grant 4,692,220 - Auel , et al. September 8, 1 | 1987-09-08 |
| Electroless copper plating and bath therefor Grant 4,684,550 - Milius , et al. August 4, 1 | 1987-08-04 |
| Iron-lithium anode for thermal battery Grant 4,675,257 - Winchester June 23, 1 | 1987-06-23 |
| Facemask for abrasive service Grant 4,648,394 - Wise March 10, 1 | 1987-03-10 |
| APNEA monitor Grant 4,595,016 - Fertig , et al. June 17, 1 | 1986-06-17 |
| Fireman's helmet Grant D283,940 - Bally May 27, 1 | 1986-05-27 |
| Universal ear plug Grant 4,564,009 - Brinkhoff January 14, 1 | 1986-01-14 |
| Riot faceshield assembly Grant 4,536,892 - Brinkhoff , et al. August 27, 1 | 1985-08-27 |
| Circuit for constant temperature operation of a catalytic combustible gas detector Grant 4,533,520 - Bossart , et al. August 6, 1 | 1985-08-06 |
| Colorimetric method for detecting aldehydes in air Grant 4,489,164 - McConnaughey , et al. December 18, 1 | 1984-12-18 |
| Colorimetric gas dosimeter Grant 4,478,792 - McConnaughey , et al. October 23, 1 | 1984-10-23 |
| Air supplying hood Grant 4,466,432 - Wise August 21, 1 | 1984-08-21 |
| Indicating system for atmospheric pump arrangement Grant 4,389,903 - Bertone , et al. June 28, 1 | 1983-06-28 |
| Colorimetric dosimeter Grant 4,348,358 - McKee , et al. September 7, 1 | 1982-09-07 |
| Palladium boron plates by electroless deposition alloy Grant 4,341,846 - Hough , et al. July 27, 1 | 1982-07-27 |
| Method of preparing potassium hydride Grant 4,327,071 - Chiu , et al. April 27, 1 | 1982-04-27 |
| Ferrite antenna Grant 4,312,003 - Robbins, Jr. January 19, 1 | 1982-01-19 |
| Method for the electroless deposition of palladium Grant 4,279,951 - Hough , et al. July 21, 1 | 1981-07-21 |
| Palladium alloy baths for the electroless deposition Grant 4,255,194 - Hough , et al. March 10, 1 | 1981-03-10 |
| Breathing bag assembly Grant 4,252,114 - Seres , et al. February 24, 1 | 1981-02-24 |
| Side loading filter apparatus Grant 4,251,245 - Reynolds February 17, 1 | 1981-02-17 |
| Control system for battery-operated pump Grant 4,241,299 - Bertone December 23, 1 | 1980-12-23 |
| Breathing apparatus flow device Grant 4,231,361 - Wise November 4, 1 | 1980-11-04 |
| Breathing apparatus with an automatic firing mechanism Grant 4,205,673 - Wise , et al. June 3, 1 | 1980-06-03 |
| Filter pleating machine Grant 4,201,119 - Wolf May 6, 1 | 1980-05-06 |
| Fire-suppressing foam level controller Grant 4,169,278 - Roehlich , et al. September 25, 1 | 1979-09-25 |
| Method for the synthesis of borazine Grant 4,150,097 - Hough , et al. April 17, 1 | 1979-04-17 |
| Filter unit Grant 4,147,524 - Smith , et al. April 3, 1 | 1979-04-03 |
| Mounting assembly connecting a face shield to a safety hat Grant 4,124,902 - Seres , et al. November 14, 1 | 1978-11-14 |
| Energy absorbing suspension element Grant 4,106,127 - Marangoni , et al. August 15, 1 | 1978-08-15 |
| Spill-proof gas sampler Grant 4,099,939 - Vancheri , et al. July 11, 1 | 1978-07-11 |
| Earplug package and method of making it Grant 4,053,051 - Brinkhoff October 11, 1 | 1977-10-11 |
| Carbon monoxide detection apparatus and method Grant 4,030,887 - Poli , et al. June 21, 1 | 1977-06-21 |
| Respirator pressure-demand exhalation valve Grant 4,007,758 - Gray , et al. February 15, 1 | 1977-02-15 |
| Liquid metal level indicator Grant 4,007,636 - Wahl February 15, 1 | 1977-02-15 |
| Self-rescue breathing apparatus Grant 3,980,081 - Cotabish , et al. September 14, 1 | 1976-09-14 |
| Production of dodecahydrododecaborate (2-) Grant 3,961,017 - Hough , et al. June 1, 1 | 1976-06-01 |
| Emergency breathing apparatus Grant 3,938,512 - Mausteller , et al. February 17, 1 | 1976-02-17 |
| Surgical splint assembly Grant 3,913,570 - Madden , et al. October 21, 1 | 1975-10-21 |
| Ear protecting device for safety caps Grant 3,898,700 - Davison , et al. August 12, 1 | 1975-08-12 |
| Temperature compensated inductive liquid metal level indicator Grant 3,896,671 - Marinaccio July 29, 1 | 1975-07-29 |
| Device for separating liquid from a gas stream Grant 3,880,626 - Griwatz , et al. April 29, 1 | 1975-04-29 |
| Safety hat energy absorbing liner Grant 3,877,076 - Summers , et al. April 15, 1 | 1975-04-15 |
| Air filter with bags Grant 3,871,848 - Smith March 18, 1 | 1975-03-18 |
| Inhalant Package Grant 3,856,142 - Vessalo December 24, 1 | 1974-12-24 |
| Filter Media Grant 3,850,600 - Monsted, Jr. November 26, 1 | 1974-11-26 |
| Centrifugal Filtering Apparatus Grant 3,846,321 - Strange November 5, 1 | 1974-11-05 |
| Differential Pressure Transducer For Liquid Metals Grant 3,834,239 - King September 10, 1 | 1974-09-10 |
| Safety Hat Energy Absorbing Liner Grant 3,829,900 - Marangoni August 20, 1 | 1974-08-20 |
| Closed Circuit Breathing Apparatus Grant 3,815,592 - Staub, Jr. June 11, 1 | 1974-06-11 |
| Adjustable Ear Covers For Safety Hats Grant 3,815,155 - Davison , et al. June 11, 1 | 1974-06-11 |
| Apparatus For Determining The Carbon Monoxide, Methane And Total Hydrocarbons Content In Air Grant 3,790,348 - Bossart , et al. February 5, 1 | 1974-02-05 |
| Goggle-supporting Assembly For Hard Hats Grant 3,781,915 - Menold , et al. January 1, 1 | 1974-01-01 |
| Compressed Gas Breathing Apparatus Grant 3,776,422 - Wise December 4, 1 | 1973-12-04 |
| Non-dispersive Infrared Fluid Analyzer With Compensation For Absorptive And Mechanical Effects Of Ambient Conditions Grant 3,770,974 - Fertig November 6, 1 | 1973-11-06 |
Company Registrations
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