Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7100482 | Electrically powered hand-held screw driver | — | 2006-09-05 |
| 6478095 | Hand-held power tool | — | 2002-11-12 |
| 6109149 | Screw setting tool | — | 2000-08-29 |
| 5778989 | Screw driving tool | — | 1998-07-14 |
| 5709275 | Screw-driving tool | — | 1998-01-20 |
| 5603516 | Drilling and/or chipping tool | — | 1997-02-18 |
| 5586607 | Manually operated chipping tool | Hans-Christian Donner | 1996-12-24 |
| 5111889 | Drilling tool speed shifting unit | — | 1992-05-12 |
| 4898250 | Hand-held tool with switching means for variable operation | Uto Plank, Gerhard Rumpp | 1990-02-06 |
| 4878679 | Variably operable hand-held device | Uto Plank, Erwin Manschitz | 1989-11-07 |
| 4830549 | Hand-held device with tool sensing means | Uto Plank | 1989-05-16 |
| 4825961 | Drilling device | Hans-Jurgen Hoereth | 1989-05-02 |
| 4798249 | Lockable striking mechanism for hammer drill | Hans-Jurgen Hoereth | 1989-01-17 |
| 4763733 | Hammer drill with rotational lock | — | 1988-08-16 |
| 4732218 | Hammer drill with separate and interconnectable drive means | Hans-Jurgen Hoereth | 1988-03-22 |
| 4691929 | Drill bit chuck for drilling and cutting devices | Hans-Jurgen Hoereth, Gerhard Rumpp | 1987-09-08 |
| 4630836 | Drill chuck for use in percussion drilling | Josef Hunger | 1986-12-23 |
| 4626146 | Tool holder for a drilling or a chiseling device | — | 1986-12-02 |
| 4592560 | Removable tool holder for a hand-held drilling device or the like | Werner Theissig | 1986-06-03 |
| 4563013 | Drill chuck for a hand-held drilling device | Josef Hunger, Hans-Christian Donner | 1986-01-07 |
| 4536109 | Drill chuck for percussion drilling | Josef Hunger | 1985-08-20 |