Issued Patents All Time
Showing 25 most recent of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538836 | Microactuator for fine positioning in a disc drive | Gunter Heine | 2003-03-25 |
| 6335850 | Microactuator for fine positioning in a disc drive | Gunter Heine | 2002-01-01 |
| 6080352 | Method of magnetizing a ring-shaped magnet | Gunter Heine, Marcel Jufer, Kamran Oveyssi | 2000-06-27 |
| 6029978 | Grounding and conductivity improvement for ferrofluid seals | Robert M. Pelstring | 2000-02-29 |
| 5956204 | Magnetic disc drive having magnetic particle trap for hydrodynamic bearing | Norbert Steven Parsoneault | 1999-09-21 |
| 5949613 | Disk drive spindle motor assembly with stator having a resilient covering with a routing means, an attaching means and a connecting means to operatively connect stator to a base | Michael Bruce Moir, Richard G. Krum, Gregory James Blanchette | 1999-09-07 |
| 5938343 | Oil filling seal for hydrodynamic motor utilizing a movable sealing element | Alan Lyndon Grantz, Klaus Kloeppel | 1999-08-17 |
| 5936410 | Hydrodynamic bearing including means for monitoring the capacitance between the rotor and stator of a hydrodynamic bearing | Gunter Heine | 1999-08-10 |
| 5907455 | Distributed spindle motor integrated with disc | — | 1999-05-25 |
| 5850318 | Slotless spindle motor for disc drive | Gunter Heine, Marcel Jufer | 1998-12-15 |
| 5844748 | Disc drive spindle motor with controlled resistance pathway from disc to ground | Klaus Kloeppel, Robert M. Pelstring, Michael John Raffetto, Donald J. MacLeod, Frederick Frank Kazmierczak +1 more | 1998-12-01 |
| 5841252 | Detection of starting motor position in a brushless DC motor | — | 1998-11-24 |
| 5815345 | Support flange having electrical contacts to provide electrical continuity upon spindle motor mounting to base | Robert M. Pelstring, Klaus Kloeppel, Michael Kenneth Andrews, Clifford Jue | 1998-09-29 |
| 5808839 | Disc drive cartridge including magnetic bearings | Kamran Oveyssi | 1998-09-15 |
| 5774974 | Retaining ring for disc drive spindle motor | Steven C. Knoche, Klaus Kloeppel | 1998-07-07 |
| 5729404 | Disc drive spindle motor with rotor isolation and controlled resistance electrical pathway from disc to ground | Klaus Kloeppel, Robert M. Pelstring, Michael John Raffetto, Donald J. MacLeod, Frederick Frank Kazmierczak +1 more | 1998-03-17 |
| 5698911 | Low leakage actuator for high performance | Kamran Oveyssi | 1997-12-16 |
| 5694268 | Spindle motor having overmolded stator | Gunter Heine | 1997-12-02 |
| 5675230 | Method and apparatus for dynamic low voltage spindle motor operation | — | 1997-10-07 |
| 5659215 | Small form factor actuator for improved functionality and linearity | Gunter Heine | 1997-08-19 |
| 5633568 | Method and apparatus for dynamic low voltage spindle motor operation | — | 1997-05-27 |
| 5619083 | Passive magnetic bearings for a spindle motor | Kamran Oveyssi, Gunter Heine | 1997-04-08 |
| 5619389 | Stator isolation for spindle motor | Gunter Heine | 1997-04-08 |
| 5610463 | Passive magnetic bearings for a spindle motor | Kamran Oveyssi, Gunter Heine | 1997-03-11 |
| 5600511 | Particle containment and fluid retention with barrier seal in magnetic disc drive | Gunter Heine | 1997-02-04 |