Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9433475 | Laser handpiece, exchangeable fiber-optic insert and control unit therefor | Thomas Bierbaum, Siegfried Goisser, Matthias Rein, Ralf Sutter, Thomas Jerger +1 more | 2016-09-06 |
| 5655907 | Rotatable tool suitable for high speed drive | — | 1997-08-12 |
| 5433604 | Medical instrument having an internally-cooled tool | — | 1995-07-18 |
| 5423231 | Foot control mechanism for a dental apparatus | Hans Helfrich, Josef Hain | 1995-06-13 |
| D342720 | Foot switch | Tilman Phleps, Hans Helfrich | 1993-12-28 |
| 4874314 | Socket to clampingly hold dental tools | Ernst O. Fleer, Werner Schwarz | 1989-10-17 |
| 4681540 | Dental handpiece arrangement | Werner Schuss, Rainer Worschischek | 1987-07-21 |
| 4647081 | Ball catch coupling for releasably connecting two parts permitting relative rotation of the parts when connected | Werner Schuss, Werner Schwarz | 1987-03-03 |
| 4482322 | Device for surface treatment of teeth | Josef Hain | 1984-11-13 |
| 4462803 | Device for cleaning teeth | Josef Hain | 1984-07-31 |
| 4460337 | Dental handpiece | Werner Schuss, Rainer Worschischek | 1984-07-17 |
| 4278907 | D.C. Subfractional horsepower motor with flux shunt for variable RPM adjustment | Juergen Wohlgemuth | 1981-07-14 |
| 4255143 | Device for releasably connecting two parts of a dental handpiece together | Werner Schuss, Hans J. Klose | 1981-03-10 |
| 4237393 | Drive motor for a dental handpiece | — | 1980-12-02 |
| 4198755 | Dental handpiece | Rainer Worschieschek | 1980-04-22 |