TG

Thomas A. Gregory

IBM: 19 patents #5,782 of 70,183Top 9%
HG HGST: 4 patents #440 of 1,677Top 30%
Overall (All Time): #186,529 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6958876 Leak detection system of hard disk drives with lubricant reservoir Norbert A. Feliss, Donald Ray Gillis, Sylvia Lee, Vedantham Raman 2005-10-25
6914739 Closed loop lubrication system for moving magnetic media Norbert A. Feliss, Donald Ray Gillis, Sylvia Lee 2005-07-05
6700735 Disk drive lubricant reservoir systems and lubricants used therein Owen Melroy, Timothy Martin Reith, Robert Waltman 2004-03-02
6678113 Device and method for monitoring lubricant within a disk drive Norbert A. Feliss, Sylvia Lee, Karl A. Flechsig, Donald Ray Gillis 2004-01-13
6580585 Magnetic disk drive with load/unload structure having lubricant reservoir Norbert A. Feliss, Sylvia Lee, Donald Ray Gillis, Vedantham Raman 2003-06-17
6205002 Disk drive with textured slider contact region Peter Michael Baumgart, Ulla Vasant Nayak, Thao A. Nguyen, Michael Luis Ramirez, Andrew Ching Tam +1 more 2001-03-20
6125007 Membrane seal secured to inner and outer oscillating bearing members for small angle oscillations within confined axial space John L. Beck, Christopher Guild Keller 2000-09-26
5850317 Apparatus and method for near contact magnetic recording Christopher Guild Keller, Thomas S. Larson 1998-12-15
5742449 Near contact magnetic recording using a liquid lubricant bearing to separate media and transducer Christopher Guild Keller, Thomas S. Larson 1998-04-21
5659447 Magnetic slider design for precision wear-in Christopher Guild Keller 1997-08-19
5623383 Magnetic slider design for precision wear-in Christopher Guild Keller 1997-04-22
5612830 Method and apparatus for cleaning disks upon reaching a disk drive start-stop cycle threshold Christopher Guild Keller, James M. Severson 1997-03-18
5543983 Servo controlled lubricant thickness for near magnetic recording James A. Hagan, Christopher Guild Keller 1996-08-06
5416657 Seal for bearings in small angle oscillation applications John L. Beck, Christopher Guild Keller 1995-05-16
5396383 Integral lubricating fluid delivery system for a flying head in a magnetic disk storage system Christopher Guild Keller 1995-03-07
5381284 Spacer ring reservoir for magnetic recording disk lubricant Christopher Guild Keller 1995-01-10
5351156 Method and apparatus for cleaning disks Christopher Guild Keller, James M. Severson 1994-09-27
5331487 Direct access storage device with vapor phase lubricant system and a magnetic disk having a protective layer and immobile physically bonded lubricant layer Ajay Johary, Christopher Guild Keller, Ronald G. Lecander, James J. Mayerle 1994-07-19
5309301 Servo controlled lubricant thickness for near contact magnetic recording James A. Hagan, Christopher Guild Keller 1994-05-03
5278711 Slider bearing design for near contact magnetic recording Christopher Guild Keller, Thomas S. Larson 1994-01-11
5229899 Apparatus and method for controlling vapor phase within an enclosure Charles A. Brown, Christopher Guild Keller, Herman R. Wendt, Arthur R. Zingher 1993-07-20
5030260 Disk drive breather filter John L. Beck, Charles A. Brown, Todd Phillip Fracek, Nigel F. Misso, Leo Volpe +1 more 1991-07-09
4789913 Method and apparatus for lubricating a magnetic disk continuously in a recording file Christopher Guild Keller, Bruce E. Kennedy, Bruce A. Murray, Wayne J. Rothschild 1988-12-06