Issued Patents All Time
Showing 26–50 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220213 | Rocker arm installed in a cylinder head of a valve train of an internal combustion engine | Michael Haas, Walter Speil | 2001-04-24 |
| 6089200 | Valve tappet actuated by a CAM of an internal combustion engine | Walter Speil | 2000-07-18 |
| 6065434 | Tilting or drag lever with a valve clearance equalizing element | — | 2000-05-23 |
| 6065435 | Valve tappet actuated by a cam of an internal combustion engine | Walter Speil | 2000-05-23 |
| 6055951 | Cam follower of a valve train of an internal combustion engine in the form of a finger lever or a rocker arm | Thomas Rommer | 2000-05-02 |
| 6051927 | High pressure sodium lamp of low power | Wolfram Graser | 2000-04-18 |
| 5979385 | Valve tappet actuated by the cam of an internal combustion engine | Walter Speil | 1999-11-09 |
| 5979377 | Hydraulic support element for a valve gear mechanism of an internal combustion engine | Werner BARTH, Arndt Ihlemann | 1999-11-09 |
| 5954020 | Cup-shaped tappet | Walter Speil, Wolfgang Miereisz, Karl-Ludwig Grell, Reinhard Ammon | 1999-09-21 |
| 5931754 | Tensioner for a power transmitting member of an internal combustion engine | Hermann Stief, Thomas Ullein | 1999-08-03 |
| 5887339 | Device for use in a press for feed of fasteners and for their attachment in workpieces by pressing | — | 1999-03-30 |
| 5881691 | Finger lever or rocker arm for a valve drive of an internal combustion engine | Thomas Rommer | 1999-03-16 |
| 5860399 | Hydraulic clearance compensation element | Walter Speil | 1999-01-19 |
| 5787850 | Hydraulic clearance compensation element | Walter Speil | 1998-08-04 |
| 5778842 | Actuating lever for a valve drive of an internal combustion engine | Jurgen Kretschmer | 1998-07-14 |
| 5775280 | Securing device for an actuating lever in a valve control mechanism of internal combustion engines | Gunter Eisenhardt, Norbert Geheeb, Peter Sailer, Helmut Engelhardt, Wolfgang Mayer | 1998-07-07 |
| 5706770 | Valve drive of an internal combustion engine | Arndt Ihlemann, Bodo Rorig | 1998-01-13 |
| 5704319 | Hydraulic clearance compensation element for valve control units of internal-combustion engines | Helmut Engelhardt | 1998-01-06 |
| 5619788 | Punch head mountable in a press for fastening bolts to sheet material | — | 1997-04-15 |
| 5595149 | Method of first filling of a hydraulic valve actuating device | Walter Speil | 1997-01-21 |
| 5575910 | Membrane adsorber filter module | Massoud Karbachsch, Peter Konstantin, G unter Pradel | 1996-11-19 |
| 5572240 | Chart recorder | — | 1996-11-05 |
| 5365897 | Mechanical valve tappet | Walter Speil, Michael Zipprath | 1994-11-22 |
| 5325825 | Finger lever or rocker arm for a valve actuating mechanism of an internal combustion piston engine | Arndt Ihlemann | 1994-07-05 |
| 5270732 | Chart recorder | Helmut Kalteis | 1993-12-14 |