RA

Roger A. Addy

ST Seagate Technology: 22 patents #232 of 4,626Top 6%
Overall (All Time): #197,957 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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