Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12097964 | Emergency vision system with fixed and hand-held enclosures | Alexander K. Werjefelt | 2024-09-24 |
| 11383847 | Emergency vision apparatus with hand access | Christian Werjefelt, Alexander K. Werjefelt | 2022-07-12 |
| 10215991 | Hand-held emergency vision apparatus and system | Christian Werjefelt, Alexander K. Werjefelt | 2019-02-26 |
| 9956440 | Oxygen supply with carbon dioxide scrubber for emergency use | — | 2018-05-01 |
| 9914546 | Electro-optical emergency vision apparatus | David R. Jenkins | 2018-03-13 |
| 9567103 | Glare shield equipped with an emergency vision apparatus | Alexander K. Werjefelt, Christian Werjefelt | 2017-02-14 |
| 9329393 | Emergency vision apparatus with touch sensitive screen and closable hand opening | Alexander K. Werjefelt, Christian Werjefelt | 2016-05-03 |
| 9193477 | Glare shield equipped with an emergency vision apparatus | Alexander K. Werjefelt, Christian Werjefelt | 2015-11-24 |
| 8888042 | Emergency vision apparatus | — | 2014-11-18 |
| 8705189 | Emergency vision apparatus with closable hand opening | Alexander K. Werjefelt, Christian Werjefelt | 2014-04-22 |
| 8573514 | Smoke evacuation device | — | 2013-11-05 |
| 8453969 | Glare shield equipped with an emergency vision apparatus | Alexander K. Werjefelt, Christian Werjefelt | 2013-06-04 |
| 8411382 | Emergency vision apparatus with distributed stowage space | — | 2013-04-02 |
| 8213101 | Gas activated emergency vision device | — | 2012-07-03 |
| 7583455 | Gas activated emergency vision device | — | 2009-09-01 |
| 6645064 | Smoke evacuation device | — | 2003-11-11 |
| 6460804 | Emergency vision apparatus | — | 2002-10-08 |
| 6082673 | Emergency vision device | — | 2000-07-04 |
| 5947415 | Emergency vision device | — | 1999-09-07 |
| 5318250 | Pilot visual assurance apparatus for an aircraft cockpit | — | 1994-06-07 |
| 5202796 | Emergency visual assurance apparatus for an aircraft cockpit | — | 1993-04-13 |
| 4998529 | Decompression and toxic fume protection apparatus | — | 1991-03-12 |
| 4832287 | Operator station emergency visual assurance method and apparatus | — | 1989-05-23 |
| 4683880 | Toxic fume protective hood and method of construction | — | 1987-08-04 |
| 4627431 | Protective hood with CO.sub.2 absorbent | — | 1986-12-09 |