Henderson; Christopher P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Henderson; Christopher P..The latest application filed is for "personal respiratory protection device".
Company Profile
5.48.41
- Henderson; Christopher P. - High Shincliffe GB
- Henderson; Christopher P. - Cumbria GB
- Henderson; Christopher P. - Penrith GB
- Henderson; Christopher P. - Durham GB
- Henderson; Christopher P. - Brandon GB
- Henderson; Christopher P. - County Durham GB
- Henderson; Christopher P. - High Shinciiffe GB
Patent Activity
| Patent | Date |
|---|---|
| Respirator valve Grant 11,445,771 - Henderson , et al. September 20, 2 | 2022-09-20 |
| Respirator tab Grant 11,413,481 - Henderson , et al. August 16, 2 | 2022-08-16 |
| Personal Respiratory Protection Device App 20220134145 - Walker; Garry J. ; et al. | 2022-05-05 |
| Personal respiratory protection device Grant 11,247,079 - Walker , et al. February 15, 2 | 2022-02-15 |
| Shape retaining flat-fold respirator Grant 11,213,080 - Henderson January 4, 2 | 2022-01-04 |
| Anti-Fog Respirator App 20210316174 - Facer; John M. ; et al. | 2021-10-14 |
| Maintenance-free anti-fog respirator Grant 11,135,460 - Facer , et al. October 5, 2 | 2021-10-05 |
| Chin tab Grant D926,988 - Henderson August 3, 2 | 2021-08-03 |
| Image-based Personal Protective Equipment Fit System Using Worker-specific Fit Test Image Data App 20210142465 - Donoghue; Claire R. ; et al. | 2021-05-13 |
| Nose tab Grant D914,216 - Henderson March 23, 2 | 2021-03-23 |
| Maintenance-free Respirator That Has Concave Portions On Opposing Sides Of Mask Top Section App 20210015184 - Facer; John M. ; et al. | 2021-01-21 |
| Maintenance-free respirator that has concave portions on opposing sides of mask top section Grant 10,827,787 - Facer , et al. November 10, 2 | 2020-11-10 |
| Fit-Test Method For Respirator With Sensing System App 20200230444 - Viner; Andrew S. ; et al. | 2020-07-23 |
| Personal respiratory protection device Grant 10,639,506 - Walker , et al. | 2020-05-05 |
| Powered air-purifying respirator Grant 10,441,828 - Curran , et al. Oc | 2019-10-15 |
| Mask Grant D837,970 - Henderson , et al. J | 2019-01-08 |
| Shape Retaining Flat-Fold Respirator App 20180368494 - HENDERSON; Christopher P. | 2018-12-27 |
| Respirator Headband App 20180272161 - Henderson; Christopher P. | 2018-09-27 |
| Respirator Tab App 20180154195 - Henderson; Christopher P. ; et al. | 2018-06-07 |
| Maintenance-free Respirator That Has Concave Portions On Opposing Sides Of Mask Top Section App 20180027899 - Facer; John M. ; et al. | 2018-02-01 |
| Maintenance-Free Anti-Fog Respirator App 20170368384 - Facer; John M. ; et al. | 2017-12-28 |
| Respirator Valve App 20170340031 - Henderson; Christopher P. ; et al. | 2017-11-30 |
| Respirator Nosepiece App 20170318875 - Henderson; Christopher P. ; et al. | 2017-11-09 |
| Respirator Tab App 20170311661 - Henderson; Christopher P. ; et al. | 2017-11-02 |
| Maintenance-free anti-fog respirator Grant 9,770,611 - Facer , et al. September 26, 2 | 2017-09-26 |
| Powered Air-Purifying Respirator App 20160213955 - Curran; Desmond T. ; et al. | 2016-07-28 |
| Personal Respiratory Protection Device App 20160199676 - Walker; Garry J. ; et al. | 2016-07-14 |
| Personal Respiratory Protection Device App 20160184617 - Walker; Garry J. ; et al. | 2016-06-30 |
| Powered Exhaust Apparatus For A Personal Protection Respiratory Device App 20150202473 - Curran; Desmond T. ; et al. | 2015-07-23 |
| Respiratory mask Grant D708,734 - Curran , et al. July 8, 2 | 2014-07-08 |
| Powered Air Purifying Respirator App 20130092164 - Curran; Desmond T. ; et al. | 2013-04-18 |
| Flat-folded personal respiratory protection devices and processes for preparing same Grant 8,375,950 - Bostock , et al. February 19, 2 | 2013-02-19 |
| Filtering face-piece respirator that has expandable mask body Grant 8,342,180 - Martin , et al. January 1, 2 | 2013-01-01 |
| Flat-folded personal respiratory protection devices Grant 8,146,594 - Bostock , et al. April 3, 2 | 2012-04-03 |
| Respiratory mask Grant D657,050 - Henderson , et al. April 3, 2 | 2012-04-03 |
| Non-elastomeric respirator mask that has deformable cheek portions Grant 8,104,472 - Henderson , et al. January 31, 2 | 2012-01-31 |
| Bond pattern on a filtering face-piece respirator Grant D637,711 - Facer , et al. May 10, 2 | 2011-05-10 |
| Personal respiratory protection device Grant D620,104 - Curran , et al. July 20, 2 | 2010-07-20 |
| Flat-folded Personal Respiratory Protection Devices App 20100095967 - Bostock; Graham J. ; et al. | 2010-04-22 |
| Filtering Face-piece Respirator Having A Frame For Supporting The Exhalation Valve App 20090078264 - Martin; Philip G. ; et al. | 2009-03-26 |
| Respirator Having Dynamic Support Structure And Pleated Filtering Structure App 20090078265 - Gebrewold; Yonas ; et al. | 2009-03-26 |
| Filtering Face-piece Respirator That Has Expandable Mask Body App 20090078261 - Martin; Philip G. ; et al. | 2009-03-26 |
| Method of making a filter cartridge using a thermoforming step Grant 7,497,217 - Viner , et al. March 3, 2 | 2009-03-03 |
| Anatomically fitted respiratory component belt Grant 7,454,800 - Taylor , et al. November 25, 2 | 2008-11-25 |
| Maintenance-free Flat-fold Respirator That Includes A Graspable Tab App 20080271740 - Gloag; Nicholas J. ; et al. | 2008-11-06 |
| Maintenance-free Anti-fog Respirator App 20080271737 - Facer; John M. ; et al. | 2008-11-06 |
| Maintenance-free Respirator That Has Concave Portions On Opposing Sides Of Mask Top Section App 20080271739 - Facer; John M. ; et al. | 2008-11-06 |
| Convertible respiratory hood assembly App 20060283455 - Walker; Garry J. ; et al. | 2006-12-21 |
| Rigid air ducting for respirator hoods and helmets Grant 7,104,264 - Lee , et al. September 12, 2 | 2006-09-12 |
| Flat-folded Personal Respiratory Protection Devices And Processes For Preparing Same App 20060180152 - Bostock; Graham J. ; et al. | 2006-08-17 |
| Eye-wear articles for use with respiratory masks Grant 7,077,128 - Wilson , et al. July 18, 2 | 2006-07-18 |
| Flat-folded personal respiratory protection devices and processes for preparing same Grant 7,069,930 - Bostock , et al. July 4, 2 | 2006-07-04 |
| Non-elastomeric respirator mask that has deformable cheek portions App 20050211251 - Henderson, Christopher P. ; et al. | 2005-09-29 |
| Method of making a filter cartridge that uses thermoforming step App 20050161045 - Viner, Andrew S. ; et al. | 2005-07-28 |
| Anatomically fitted respiratory component belt App 20050144706 - Taylor, David S. ; et al. | 2005-07-07 |
| Flat-folded personal respiratory protection devices and processes for preparing same App 20050139218 - Bostock, Graham J. ; et al. | 2005-06-30 |
| Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,886,563 - Bostock , et al. May 3, 2 | 2005-05-03 |
| Filter element that has a thermo-formed housing around filter material Grant 6,874,499 - Viner , et al. April 5, 2 | 2005-04-05 |
| Flat-folded personal respiratory protection devices and processes for preparing same App 20040237964 - Bostock, Graham J. ; et al. | 2004-12-02 |
| Rigid air ducting for respirator hoods and helmets App 20040216736 - Lee, Peter D. ; et al. | 2004-11-04 |
| Face mask that has a filtered exhalation valve Grant 6,805,124 - Japuntich , et al. October 19, 2 | 2004-10-19 |
| Method of making a flat-folded personal respiratory protection device Grant 6,722,366 - Bostock , et al. April 20, 2 | 2004-04-20 |
| Eye-wear articles for use with respiratory masks App 20040069302 - Wilson, Audra A. ; et al. | 2004-04-15 |
| Processes for preparing flat-folded personal respiratory protection devices Grant 6,715,489 - Bostock , et al. April 6, 2 | 2004-04-06 |
| Filter element that has a thermo-formed housing around filter material App 20040055604 - Viner, Andrew S. ; et al. | 2004-03-25 |
| Flat-folded personal respiratory protection devices and processes for preparing same App 20030192546 - Bostock, Graham J. ; et al. | 2003-10-16 |
| Face mask that has a filtered exhalation valve Grant 6,584,976 - Japuntich , et al. July 1, 2 | 2003-07-01 |
| Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,568,392 - Bostock , et al. May 27, 2 | 2003-05-27 |
| Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,536,434 - Bostock , et al. March 25, 2 | 2003-03-25 |
| Processes for preparing flat-folded personal respiratory protection devices App 20030015201 - Bostock, Graham J. ; et al. | 2003-01-23 |
| Face mask that has a filtered exhalation valve App 20030005934 - Japuntich, Daniel A. ; et al. | 2003-01-09 |
| Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,484,722 - Bostock , et al. November 26, 2 | 2002-11-26 |
| Personal respiratory protection device that has a three panelled look Grant D459,471 - Curran , et al. June 25, 2 | 2002-06-25 |
| Personal respiratory protection device that has left and right tabs Grant D458,364 - Curran , et al. June 4, 2 | 2002-06-04 |
| Face Mask That Has A Filtered Exhalation Valve App 20020023651 - JAPUNTICH, DANIEL A. ; et al. | 2002-02-28 |
| Tabs on a personal respiratory protection device Grant D449,377 - Henderson , et al. October 16, 2 | 2001-10-16 |
| Protective garments incorporating bands of welded or adhesively-bonded elastomeric material Grant 6,286,144 - Henderson , et al. September 11, 2 | 2001-09-11 |
| Flat-folded personal respiratory protection devices and processes for preparing same App 20010015205 - Bostock, Graham J. ; et al. | 2001-08-23 |
| Multi-part headband and respirator mask assembly and process for making same Grant 6,148,817 - Bryant , et al. November 21, 2 | 2000-11-21 |
| Personal respiratory protection device having an exhalation valve Grant D431,647 - Henderson , et al. October 3, 2 | 2000-10-03 |
| Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,123,077 - Bostock , et al. September 26, 2 | 2000-09-26 |
| Elastomeric composite headband Grant 6,070,579 - Bryant , et al. June 6, 2 | 2000-06-06 |
| Respiratory protection mask Grant D424,688 - Bryant , et al. May 9, 2 | 2000-05-09 |
| Bond pattern for a personal respiratory protection device Grant D416,323 - Henderson , et al. November 9, 1 | 1999-11-09 |
| Multi-part headband and respirator mask assembly and process for making same Grant 5,724,677 - Bryant , et al. March 10, 1 | 1998-03-10 |
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