Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691670 | Method and engine providing mixing of at least one gaseous fluid such as air and of a fuel in the combustion chamber of a direct-injection internal-combustion engine | Bertrand Gatellier | 2004-02-17 |
| 6691806 | Drive unit for a Track-laying vehicle | Werner Wolfgang, Hubert Hund, Thomas Rösch | 2004-02-17 |
| 6675767 | Internal-combustion engine with fuel injection device | Bertrand Gatellier | 2004-01-13 |
| 6640772 | Direct-injection engine with small nappe angle and processes allowing such an engine to be used | Bertrand Gatellier | 2003-11-04 |
| 6637403 | Fuel injection control method for a direct-injection internal-combustion engine | Bertrand Gatellier | 2003-10-28 |
| 6053261 | Flow pulsing method and apparatus for the increase of the rate of drilling | — | 2000-04-25 |
| 5626016 | Water hammer driven vibrator having deformable vibrating elements | — | 1997-05-06 |
| 5549252 | Water-hammer actuated crusher | — | 1996-08-27 |
| 5519670 | Water hammer driven cavitation chamber | — | 1996-05-21 |
| 5508975 | Apparatus for degassing liquids | — | 1996-04-16 |
| 5467322 | Water hammer driven vibrator | — | 1995-11-14 |
| 5459699 | Method and apparatus for generating high energy acoustic pulses | — | 1995-10-17 |
| 5267365 | Bed mattress or the like and pressurized liquid supply system | — | 1993-12-07 |
| 5190114 | Flow pulsing apparatus for drill string | — | 1993-03-02 |
| 5009272 | Flow pulsing method and apparatus for drill string | — | 1991-04-23 |
| 4979577 | Flow pulsing apparatus and method for down-hole drilling equipment | — | 1990-12-25 |
| 4830122 | Flow pulsing apparatus with axially movable valve | — | 1989-05-16 |
| 4819745 | Flow pulsing apparatus for use in drill string | — | 1989-04-11 |
| 4582148 | Mechano-hydraulic double-acting drilling jar | — | 1986-04-15 |
| 4427079 | Intermittently rotatable down hole drilling tool | — | 1984-01-24 |