Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7066172 | Warning device for a respirator product | — | 2006-06-27 |
| 5499623 | Gas mask and breathing equipment with liquefied respiration gas | — | 1996-03-19 |
| 5322058 | Gas mask and breathing equipment with respiration air recirculation | — | 1994-06-21 |
| 5076267 | Closed circuit breathing device with pressure sensing means | — | 1991-12-31 |
| 5072728 | Recirculating respirator | — | 1991-12-17 |
| 5048517 | Recirculating positive-pressure respirator | — | 1991-09-17 |
| 5005569 | Ventilatory air humidifier for a breathing equipment | — | 1991-04-09 |
| 4955374 | Closed cycle gas mask and breathing equipment for operation under pressure having a severance-operated connection shut-off for the breathing equipment | — | 1990-09-11 |
| 4881539 | Protective suit having a supply of breathing air | — | 1989-11-21 |
| 4667669 | Cycle respirator for pressure operation | — | 1987-05-26 |
| 4630605 | Respirator control device | — | 1986-12-23 |
| 4611589 | Device for regenerating respiratory breathing air | — | 1986-09-16 |
| 4611628 | Attenuator valve for a pressure-gas conduit | — | 1986-09-16 |
| 4551858 | Protective helmet having a cooling harness | — | 1985-11-12 |
| 4491130 | Emergency respirator | — | 1985-01-01 |
| 4459822 | Cooling suit system and heat exchanger construction | — | 1984-07-17 |
| 4440166 | Electrically and mechanically controllable closed cycle respirator | Jörg Winkler, Hans Matthiessen, Ernst Warncke | 1984-04-03 |
| 4423723 | Closed cycle respirator with emergency oxygen supply | Jo/ rg Winkler, Hans Matthiessen, Ernst Warncke | 1984-01-03 |
| 4405348 | Cooling device particularly for heat protective suits | — | 1983-09-20 |
| 4390997 | Heat protection garment | Claus-Dieter Hinz | 1983-07-05 |
| 4378011 | Lung controlled pressure gas respirator for use with an oxygen mask and valving mechanism therefor | Ernst Warncke | 1983-03-29 |
| 4367822 | Airtight receptacle lock for emergency respirators | Claus-Dieter Hinz | 1983-01-11 |
| 4364384 | Excess pressure respirator with pressurized breathing gas shutoff | Ernst Warncke | 1982-12-21 |
| 4350115 | Warning signal device for respirators | — | 1982-09-21 |
| 4301792 | Respirator with cooling device | — | 1981-11-24 |