Castiglione; David M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Castiglione; David M..The latest application filed is for "respirator configured to accept vision-protecting module".
- Castiglione; David M. - Hudson WI
- Castiglione; David M. - South St. Paul MN
| Patent | Date |
|---|---|
| Respirator Configured To Accept Vision-protecting Module App 20210244976 - Castiglione; David M. | 2021-08-12 |
| Respiratory Protection Device Positive Pressure Seal Check Methods And Devices App 20210228921 - Castiglione; David M. ; et al. | 2021-07-29 |
| Multiple chamber respirator sealing devices and methods Grant 11,020,619 - Castiglione June 1, 2 | 2021-06-01 |
| Dual-Molded Polyamide-Silicone Composite Article and Methods of Making App 20210147677 - Subramaniam; Ramnath ; et al. | 2021-05-20 |
| Headwear Suspension Attachment Element App 20200345097 - Castiglione; David M. ; et al. | 2020-11-05 |
| Personal protective device strap connecting buckle assembly Grant 10,765,176 - Castiglione , et al. Sep | 2020-09-08 |
| Full face respirator front cover Grant D890,916 - Castiglione , et al. | 2020-07-21 |
| Multiple Chamber Respirator Sealing Devices And Methods App 20190083823 - Castiglione; David M. | 2019-03-21 |
| Hardhat suspension adapter for half facepiece respirators Grant D842,982 - Castiglione | 2019-03-12 |
| Hardhat suspension adapter for half facepiece respirators Grant D827,810 - Castiglione September 4, 2 | 2018-09-04 |
| Respirator inlet port connection seal Grant D816,209 - Castiglione April 24, 2 | 2018-04-24 |
| Respiratory Assembly Including Latching Mechanism App 20170266472 - Castiglione; David M. ; et al. | 2017-09-21 |
| Respiratory assembly including latching mechanism Grant 9,700,743 - Castiglione , et al. July 11, 2 | 2017-07-11 |
| Personal Protective Device Strap Connecting Buckle Assembly App 20170065036 - Castiglione; David M. ; et al. | 2017-03-09 |
| Refillable filter system Grant 9,259,676 - Billingsley , et al. February 16, 2 | 2016-02-16 |
| Respirator harness having collapsible head cradle Grant 8,839,785 - Castiglione , et al. September 23, 2 | 2014-09-23 |
| Respiratory Assembly Including Latching Mechanism App 20140034049 - Castiglione; David M. ; et al. | 2014-02-06 |
| Respirator mask body Grant D652,507 - Mittelstadt , et al. January 17, 2 | 2012-01-17 |
| Refillable Filter System App 20110311400 - Billingsley; Britton G. ; et al. | 2011-12-22 |
| Respiratory protection device Grant 8,074,648 - Betz , et al. December 13, 2 | 2011-12-13 |
| Respirator Harness Having Collapsible Head Cradle App 20110220115 - Castiglione; David M. ; et al. | 2011-09-15 |
| Respirator valve Grant 7,849,856 - Mittelstadt , et al. December 14, 2 | 2010-12-14 |
| Respiratory Protection Device App 20090272378 - Betz; James R. ; et al. | 2009-11-05 |
| Respiratory protection device Grant 7,594,510 - Betz , et al. September 29, 2 | 2009-09-29 |
| Strap carriers on a respirator Grant D568,986 - Holmquist-Brown , et al. May 13, 2 | 2008-05-13 |
| Unidirectional respirator valve Grant 7,302,951 - Mittelstadt , et al. December 4, 2 | 2007-12-04 |
| Respiratory Protection Device App 20070235032 - Betz; James R. ; et al. | 2007-10-11 |
| Unidirectional respirator valve App 20050139216 - Mittelstadt, William A. ; et al. | 2005-06-30 |
| Unidirectional respirator valve Grant 6,883,518 - Mittelstadt , et al. April 26, 2 | 2005-04-26 |
| Half-mask respirator with head harness assembly Grant 6,732,733 - Brostrom , et al. May 11, 2 | 2004-05-11 |
| Retention assembly with compression element and method of use Grant 6,729,332 - Castiglione May 4, 2 | 2004-05-04 |
| Retention assembly with compression element and method of use Grant 6,705,317 - Castiglione March 16, 2 | 2004-03-16 |
| Respirator facemask assembly Grant D471,627 - Mittelstadt , et al. March 11, 2 | 2003-03-11 |
| Respirator valve App 20020195109 - Mittelstadt, William A. ; et al. | 2002-12-26 |
| Respirator valve App 20020195108 - Mittelstadt, William A. ; et al. | 2002-12-26 |
| Respirator facemask Grant D467,656 - Mittelstadt , et al. December 24, 2 | 2002-12-24 |
| Grill pattern on air filter inlet Grant D456,505 - Wolf , et al. April 30, 2 | 2002-04-30 |
| Retention assembly with compression element and method of use App 20020026943 - Castiglione, David M. | 2002-03-07 |
| Filter support, assembly and system Grant 6,279,570 - Mittelstadt , et al. August 28, 2 | 2001-08-28 |
| Portion of a filter support Grant D444,218 - Mittelstadt , et al. June 26, 2 | 2001-06-26 |
| Nose clip for a filtering face mask Grant D412,573 - Castiglione August 3, 1 | 1999-08-03 |
| Respirator nose clip Grant 5,558,089 - Castiglione September 24, 1 | 1996-09-24 |
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