| 12357849 |
Personal respiratory protection device |
— |
2025-07-15 |
| 12329994 |
Respirator flow control apparatus and method |
Andrew Murphy, Desmond T. Curran, Derek A. Parkin, Thomas I. Insley, Mark A. J. Fernandes |
2025-06-17 |
| D1057296 |
Air supply attachment for a helmet |
Benjamin A. Johnson, Paul A. Martinson, David J. Schmidt, David L. Ausen |
2025-01-07 |
| 11904189 |
Respirator system including removable head suspension |
Mark A. J. Fernandes, Richard D. Williams |
2024-02-20 |
| 11247079 |
Personal respiratory protection device |
Christopher P. Henderson |
2022-02-15 |
| 11241595 |
Personal respiratory protection device |
— |
2022-02-08 |
| 11154735 |
Personal respiratory protection device |
— |
2021-10-26 |
| 11130008 |
Respirator flow control apparatus and method |
Andrew Murphy, Desmond T. Curran, Derek A. Parkin, Thomas I. Insley, Mark A. J. Fernandes |
2021-09-28 |
| 10864389 |
Respirator system including removable head suspension |
Mark A. J. Fernandes, Richard D. Williams |
2020-12-15 |
| 10639506 |
Personal respiratory protection device |
Christopher P. Henderson |
2020-05-05 |
| 10441828 |
Powered air-purifying respirator |
Desmond T. Curran, Andrew Murphy, Terence M. Sayers, Christopher P. Henderson, Bengt Kallman |
2019-10-15 |
| 10391337 |
Respirator assembly with air flow direction control |
Desmond T. Curran, Andrew Murphy |
2019-08-27 |
| 10137320 |
Respirator flow control apparatus and method |
Andrew Murphy, Desmond T. Curran, Derek A. Parkin, Thomas I. Insley, Mark A. J. Fernandes |
2018-11-27 |
| 9868001 |
Respirator flow control apparatus and method |
Desmond T. Curran, Mark A. J. Fernandes |
2018-01-16 |
| D775322 |
Respirator mask face seal with surface pattern |
Steven Luke Bailey, Peter Masters |
2016-12-27 |
| D761415 |
Respirator mask face seal |
Peter Masters |
2016-07-12 |
| D760378 |
Respirator mask face seal |
Peter Masters |
2016-06-28 |
| D760377 |
Respirator mask face seal |
Peter Masters |
2016-06-28 |
| 8936022 |
Air delivery apparatus for respirator hood |
Andrew Murphy, Desmond T. Curran |
2015-01-20 |
