Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7195904 | Process for producing hydroxynitrile lyases | Franz Effenberger, Harald Wajant | 2007-03-27 |
| 6558380 | Instrument for surgical purposes and method of cleaning same | Christian Lingenfelder, Stephan Ertl, Stefan Strobel, Rudolf Rösch, Matthias Fryda +3 more | 2003-05-06 |
| 6319697 | (S)-hydroxynitrile lyases with improved substrate acceptance and their use | Franz Effenberger, Harald Wajant, Peter Lauble, Holger Buhler, Helmut Schwab +3 more | 2001-11-20 |
| 5885809 | Method of producing (S)-cyanohydrins | Franz Effenberger, Harald Wajant, Jürgen Roos | 1999-03-23 |
| 5099802 | Method of operating a piston engine and fuel feeding mechanism therefor | — | 1992-03-31 |
| 5063995 | Ceramic heat exchanger | Peter Quell | 1991-11-12 |
| 5054546 | Vaporizer for generating a mixture of superheated steam and fuel vapor | — | 1991-10-08 |
| 5002481 | Apparatus for generating a combustible gaseous mixture | — | 1991-03-26 |
| 4988290 | Combustion space with a ceramic lining such as in the combustion chamber of an internal combustion engine or the combustion space in a rotary kiln furnace | Peter Quell | 1991-01-29 |
| 4909192 | Method and cylinder head structure for supply of fuel into a piston engine | Peter Quell | 1990-03-20 |
| 4758153 | Vaporizer for liquid fuel for producing a fuel-air mixture | — | 1988-07-19 |
| 4531908 | Ceramic burner head | Stefan Schindler, Hartmut Keller | 1985-07-30 |
| 4486362 | Process and arrangement for the formation of an ignitable mixture from liquid fuel and combustion air | Hubert Jaegers, Hans Kammerling, Peter Quell | 1984-12-04 |
| 4440113 | Connecting system for ceramic components of a burner and/or heating device | Stefan Schindler, Hans-Jurgen Pohlmann | 1984-04-03 |
| 4429830 | Space and utility water heating system | Peter Quell | 1984-02-07 |
| 4408984 | Burner for the formation and combustion of an ignitable mixture of a liquid fuel and combustion air | — | 1983-10-11 |
| 4391227 | Fluid-heating apparatus | Peter Quell, Huber Jaegers | 1983-07-05 |
| 4376627 | Burner assembly with parallel passages for fuel and oxidizing gas | Manfred Kleemann, Peter Quell, Berthold Sack | 1983-03-15 |
| 4369029 | Ceramic recuperator and method for the heating of combustion air | Berthold Sack | 1983-01-18 |
| 4366460 | Spring elements for supporting a superconductive coil | Gunter Friesinger | 1982-12-28 |
| 4364726 | Ceramic burner head with separate fuel and oxidizer passages | Manfred Kleemann, Berthold Sack | 1982-12-21 |
| 4362695 | Fission product filter for hot reactor coolant | Nicolaos Ionitakis, Peter Quell | 1982-12-07 |
| 4343681 | Core energy plant with closed working gas circuit | Heinrich Clermont, Jurgen Heil, Peter Quell, Jasbir Singh, Berthold Sack +1 more | 1982-08-10 |
| 4321964 | Recuperative heat exchanger of ceramic material | Axel Krauth, Horst Maier, Hans-Jurgen Pohlmann | 1982-03-30 |
| 4318689 | Burner for liquid fuels | Berthold Sack | 1982-03-09 |