Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617845 | Inhalation device free from propellent gas | Gerhard Poss, Andreas Kuhnel | 1997-04-08 |
| 5507281 | Device for initiating a mechanical switching operation in synchronism with the breathing | Andreas Kuhnel, Gerhard Poss, Dieter Hochrainer | 1996-04-16 |
| 5482781 | Process for restrengthening damaged paper and product produced thereby | Karl-Heinz Scherer | 1996-01-09 |
| 5347999 | Inhalation device free from propellant gas having brush abrading powder from tablet | Gerhard Poss | 1994-09-20 |
| 5322558 | Neutralizing agent for paper products | Rolf Eggersdorfer, Peter Schwerdt, Karl-Heinz Scherer, Rolf-Erhard Schmitt | 1994-06-21 |
| 5287758 | Temperature controlled pipette tube | Manfred Geiss, Wolfgang Heide, Michael Breetz | 1994-02-22 |
| 5120500 | Process and device for nonpolluting mass deacidification of books and other paper products | Rolf Eggersdorfer, Peter Schwerdt | 1992-06-09 |
| 4863601 | Filter apparatus with hydrophilic filter material and hydrophobic support | Hans-Joachim Hampel | 1989-09-05 |
| 4618282 | Composition and a method for covering the sump in cavities | Karl F. L. Gloria, Alexandru B. Costinescu-Tataranu, Wilhelm Schuster | 1986-10-21 |
| 4403887 | Method of covering the sump of underground cavities | Karl F. L. Gloria, Alexander-Barbu Costinescu-Tataranu, Wilhelm Schuster | 1983-09-13 |