Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42854 | Single piece hub with integral upper and lower female cones | Michael D. Kennedy, Alan Lyndon Grantz, Norbert Parsoneault, Wesley R. Clark, Matt L. Shumway +1 more | 2011-10-18 |
| 7823290 | Method of forming a hub for use in a disk drive motor | Michael D. Kennedy, Alan Lyndon Grantz, Norbert Steven Parsoneault, Wesley R. Clark, Matt L. Shumway +1 more | 2010-11-02 |
| 7788961 | System and method for ballizing and measuring a workpiece bore hole | Lev Mikhailovich Dvoskin, Gunter Heine | 2010-09-07 |
| 7625468 | Electrode for electrochemical machining | Alexander Parkhomovsky, Lev Mikhailovich Dvoskin, Robert M. Pelstring | 2009-12-01 |
| 7568370 | System and method for ballizing and measuring a workpiece bore hole | Lev Mikhailovich Dvoskin, Gunter Heine | 2009-08-04 |
| 7547143 | Fluid dynamic bearing capsule with recirculation paths | — | 2009-06-16 |
| 7390125 | Single piece hub with integral upper and lower female cones | Michael D. Kennedy, Alan Lyndon Grantz, Norbert Steven Parsoneault, Wesley R. Clark, Matt L. Shumway +1 more | 2008-06-24 |
| 7210209 | System and method for ballizing and measuring a workpiece bore hole | Gunter Heine, Lev Mikhailovich Dvoskin | 2007-05-01 |
| 6755570 | Single piece hub with integral upper and lower female cones and method for making the same | Michael D. Kennedy, Alan Lyndon Grantz, Norbert Parsoneault, Wesley R. Clark, Matt L. Shumway +1 more | 2004-06-29 |
| 6638414 | Electrode design for electrochemical machining of grooves | Donald J. MacLeod, Klaus Kloeppel, Wesley R. Clark | 2003-10-28 |
| 6578454 | Machining process for hydrodynamic bearing | — | 2003-06-17 |
| 6530143 | Apparatus for setting gaps in hydrodynamic bearing | David Jennings, Wesley R. Clark | 2003-03-11 |
| 6280088 | Crowned conical bearing | Hans Leuthold, Matt L. Shumway, Alan Lyndon Grantz, Norbert Parsoneault, Samnathan Murthy +1 more | 2001-08-28 |
| 6267869 | Electrode design for electrochemical machining of grooves | Donald J. MacLeod, Klaus Kloeppel, Wesley R. Clark | 2001-07-31 |
| 6195895 | Hydrodynamic bearing arrangement having a structure permitting the removal of entrapped air | David Wuester, Sr. | 2001-03-06 |
| 6148501 | Fabrication means for in-hub spindle with separate fluid dynamic bearings | Alan Lyndon Grantz, Marten Byl, Matt L. Shumway, Norbert Steven Parsoneault, Etoli Wolff +1 more | 2000-11-21 |
| 6149161 | Grooved pumping seal | Alan Lyndon Grantz, Robert A. Nottingham | 2000-11-21 |
| 6144523 | Simplified conical bearing with independent flow paths | Samnathan Murthy, Alan Lyndon Grantz, Steve Parsoneault, Peter Riegler, Mohamed Mizanur Rahman | 2000-11-07 |
| 6119348 | Air gaging for setting gaps in hydrodynamic bearings | David Jennings, Wesley R. Clark | 2000-09-19 |
| 6019516 | Crowned conical bearing | Hans Leuthold, Matt L. Shumway, Alan Lyndon Grantz, Norbert Steven Parsoneault, Samnathan Murthy +1 more | 2000-02-01 |
| 5978175 | Hydrodynamic bearing arrangement having a structure permitting the removal of entrapped air | David Wuester, Sr. | 1999-11-02 |
| 5946958 | Device for manufacturing a groove bearing | Wesley R. Clark, Samnathan Murthy, David Jennings | 1999-09-07 |