Issued Patents All Time
Showing 26–50 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624125 | Keyless power-drill chuck assembly | — | 1997-04-29 |
| 5580197 | Pneumatically self-clearing chuck | — | 1996-12-03 |
| 5503409 | Self-tightening hammer-drill chuck | — | 1996-04-02 |
| 5499829 | Lockable drill chuck | — | 1996-03-19 |
| 5464230 | Lockable drill chuck | — | 1995-11-07 |
| 5435578 | Lockable self-tightening hammer-drill chuck | — | 1995-07-25 |
| 5378002 | Self-tightening drill chuck | — | 1995-01-03 |
| 5375857 | Keyless lockable hammer-drill chuck | — | 1994-12-27 |
| 5375858 | Lockable self-tightening hammer-drill chuck | — | 1994-12-27 |
| 5286041 | Drill chuck | — | 1994-02-15 |
| 5236206 | Drill chuck | — | 1993-08-17 |
| 5172617 | Lathe chuck | — | 1992-12-22 |
| 5171030 | Self-tightening drill chuck | — | 1992-12-15 |
| 5167175 | Lathe chuck | — | 1992-12-01 |
| 5158306 | Drill chuck | — | 1992-10-27 |
| 5145192 | Lockable drill chuck | — | 1992-09-08 |
| 5145193 | Lockable drill chuck | — | 1992-09-08 |
| 5054796 | Self-tightening hammer-drill chuck | — | 1991-10-08 |
| 5005453 | Drive for relatively axially shifting chuck parts | — | 1991-04-09 |
| 4995303 | Sensor-equipped actuator for power chuck | — | 1991-02-26 |
| 4991859 | Self-tightening drill chuck | — | 1991-02-12 |
| 4991860 | Drill chuck | — | 1991-02-12 |
| 4966375 | Lathe chuck for offecenter workpiece rotation | Manfred Kolmberger | 1990-10-30 |
| 4955623 | Self-tightening and lockable hammer-drill chuck | — | 1990-09-11 |
| 4945819 | Clamping apparatus for the rotary spindle of a machine tool | — | 1990-08-07 |