Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6065877 | Thermal compensation for fluid dynamic bearing using bimetal parts | Hans Leuthold, Alan Lyndon Grantz, Matt L. Shumway, Norbert Steven Parsoneault, Etoli Wolff +4 more | 2000-05-23 |
| 6005748 | Spindle motor with multiple thrust plate fluid dynamic bearing | Gunter Heine, Mohamed Mizanur Rahman, Hans Leuthold | 1999-12-21 |
| 5997179 | Multifluid application in hydrodynamic fluid bearing to reduce evaporation and control stiffness and other bearing performance | Gunter Heine, Mohamed Mizanur Rahman | 1999-12-07 |
| 5993066 | Fluid retention principle for hydrodynamic bearings | Hans Leuthold, Coda H. Pan, David Jennings, Lakshman Nagarathnam, Wesley R. Clark +1 more | 1999-11-30 |
| 5940246 | Disc drive hydro bearing lubricant with electrically conductive, non-metallic additive | Samnathan Murthy, Norbert Steven Parsoneault, Hans Leuthold | 1999-08-17 |
| 5930075 | Disc drive spindle motor having hydro bearing with optimized lubricant viscosity | Hans Leuthold, David Jennings, Gregory I. Rudd, Gunter Heine | 1999-07-27 |
| 5907456 | Disc drive spindle motor having hydro bearing with lubricant optimized with disc drive compatible additives | Gregory I. Rudd, Louis Borelis, Hans Leuthold, Gunter Heine | 1999-05-25 |
| 5841607 | Hydrodynamic seal for disc drive spindle motor | Mohamed Mizanur Rahman | 1998-11-24 |
| 5697708 | Hydrodynamic bearing with reduced temperature sensitivity | Hans Leuthold, David Jennings, Lakshman Nagarathnam, Greg Rudd | 1997-12-16 |
| 5685647 | Single plate hydrodynamic bearing with self-balancing fluid level and fluid circulation | Hans Leuthold, David Jennings, Wesley R. Clark, Guenther Heine | 1997-11-11 |
| 5678929 | Grooved hydrodynamic bearing arrangement including a porous lubricant reservoir | Norbert Steven Parsoneault, Gregory I. Rudd, Michael D. Kennedy | 1997-10-21 |
| 5524986 | Fluid retention principles for hydrodynamic bearings | Hans Leuthold, Coda H. Pan, David Jennings, Lakshman Nagarathnam, Wesley R. Clark +1 more | 1996-06-11 |
| 5487608 | Single plate hydrodynamic bearing with self-balancing fluid level and fluid circulation | Hans Leuthold, David Jennings, Wesley R. Clark, Guenther Heine | 1996-01-30 |