Dragerwerk A.G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dragerwerk A.G..The latest application filed is for "air cleaning material for use in air filters".
- Dragerwerk A.G. - DE DE
| Patent | Date |
|---|---|
| Air cleaning material for use in air filters Grant 4,677,096 - van der Smissen June 30, 1 | 1987-06-30 |
| Gas measuring testing tube Grant 4,554,133 - Leichnitz November 19, 1 | 1985-11-19 |
| Respirator apparatus and method of operation thereof Grant 4,519,388 - Schwanbom , et al. May 28, 1 | 1985-05-28 |
| Cooling suit system and heat exchanger construction Grant 4,459,822 - Pasternack July 17, 1 | 1984-07-17 |
| Transport incubator Grant 4,458,674 - Lemburg , et al. July 10, 1 | 1984-07-10 |
| Positioning device for use with a tracheal tube which is insertable into a person's trachea for respiration purposes Grant 4,449,522 - Baum May 22, 1 | 1984-05-22 |
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