Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5552027 | Working electrode for electrochemical enzymatic sensor systems | Siegfried Birkle, Rolf Schulte | 1996-09-03 |
| 5206534 | Photocell | Siegfried Birkle, Gerhard Rittmayer | 1993-04-27 |
| 5196907 | Metal insulator semiconductor field effect transistor | Siegfried Birkle | 1993-03-23 |
| 5162875 | Protective layer for electroactive passivation layers | Siegfried Birkle, Gerhard Schmidt, Rolf Schulte | 1992-11-10 |
| 5108860 | Electrophotographic recording material and method for the manufacture thereof | Siegfried Birkle, Roland Rubner | 1992-04-28 |
| 5089290 | Method for generating glow-polymerisate layers | Wolf Kleeberg, Rolf Schulte | 1992-02-18 |
| 5055421 | Method for the plasma deposition of hydrogenated, amorphous carbon using predetermined retention times of gaseous hydrocarbons | Siegfried Birkle, Rolf Schulte, Albrecht Winnacker, Gerhard Rittmayer | 1991-10-08 |
| 5039358 | Amorphous, hydrogenated carbon electroactive passivation layer | Siegfried Birkle, Gerhard Schmidt, Albrecht Winnacker | 1991-08-13 |
| 5040090 | Capacitive moisture-sensor | Siegfried Birkle, Albert Hammerschmidt, Gerhard Rittmayer, Hellmut Ahne | 1991-08-13 |
| 5037876 | Planarizing dielectric | Siegfried Birkle, Albert Hammerschmidt, Rainer Leuschner, Rolf Schulte | 1991-08-06 |
| 5035917 | Method of preparing layers of vinylidene fluoride polymers and vinylidene fluoride/trifluoroethylene copolymers on a substrate | Gerhard Rittmayer | 1991-07-30 |
| 4729906 | Method for producing glow polymerisate layers | Wolfgang Kleeberg, Gerhard Rittmayer, Rolf Schulte | 1988-03-08 |
| 4320655 | Quantity of flow meter | Rudiger Mueller, Peter Roedl | 1982-03-23 |
| 4305112 | Capacitance humidity sensing element | Hermann Heywang, Joachim Rauhut | 1981-12-08 |
| 4299126 | Device for measuring the level of a liquid in a container | Erwin Heuwieser, Peter Roedl | 1981-11-10 |