Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RA

Robert A. Alt — 30 Patents

IPIntegral Peripherals: 11 patents #7 of 22Top 35%
STSeagate Technology: 11 patents #519 of 4,701Top 15%
ExxonMobil: 8 patents #1,392 of 10,161Top 15%
Longmont, CO: #81 of 2,039 inventorsTop 4%
Colorado: #1,068 of 40,980 inventorsTop 3%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Robert A. Alt has been granted 30 US patents while listed as an inventor at Integral Peripherals. The first was granted in 1993 and the most recent in May 2017. Robert A. Alt ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Robert A. Alt in Longmont, CO, US.

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9666235 Particulate filter Iraj Jabbari, Jeffrey L. Bruce, Jeffrey James Croxall 2017-05-30 $13,661,000
8891200 Impedance mitigation of a microactuator conductive joint John C. Purkett, David L. Schell, KarWei Koay 2014-11-18 $17,752,000
7545600 Single piece air diverter for a data storage device Jason A. Sorrell, Frederick Renken, David R. Lapp 2009-06-09 $13,941,000
7405902 Single piece air diverter for a data storage device Jason A. Sorrell, Frederick Renken, David R. Lapp 2008-07-29 $10,829,000
7310199 Windage plate with snubber member to limit mechanical deflection Kenneth L. Pottebaum, Jackson W. Nichols 2007-12-18 $14,692,000
7119986 Separator plate with head load/unload E. Paul Lee, Matthew R. Lepore 2006-10-10 $11,493,000
6855282 Method of fabricating a lubricant-integrated load/unload ramp for a disc drive Serge Fayeulle 2005-02-15 $19,126,000
6714379 Top cover shroud for a disc drive Richard K. Thompson, Aaron Steve Macpherson 2004-03-30 $10,245,000
6606224 Cartridge bearing with frictional sleeve Aaron Steve Macpherson, Rick K. Thompson, Gary F. Kelsic 2003-08-12 $9,577,000
6577473 Disc drive ramp that accomodates shipping comb Aaron Steve Macpherson 2003-06-10 $11,340,000
6487052 Non-contact magnetic latch for disc drive actuator Aaron Steve Macpherson 2002-11-26
6057987 Rigid disk drive with dynamic head loading apparatus and method of manufacturing a rigid disk drive with dynamic head loading apparatus David M. Furay, James H. Morehouse, Bruce D. Emo 2000-05-02
6032352 Method of manufacturing rigid disk drive with dynamic head loading apparatus David M. Furay, James H. Morehouse, Bruce D. Emo 2000-03-07
6021021 Air bearing slider and head gimbal assembly Bruce D. Emo, Gary F. Kelsic 2000-02-01
5995330 Rigid disk drive with dynamic head loading apparatus David M. Furay, James H. Morehouse, Bruce D. Emo 1999-11-30
5969904 Air bearing slider and head Gimbal assembly Bruce D. Emo, Gary F. Kelsic 1999-10-19
5943184 Disk drive with a flat annular spring clamp and components dimensioned to maintain disk flatness Gary F. Kelsic 1999-08-24
5930067 Multi-harmonic compensator for track following in disk drives Thomas L. Andrews, Steven J. Mertens, Gary E. Counts, Ronald J. Loomis 1999-07-27
5870259 Disk drive load beam structure having lift rod and head mounted on same side thereof James A. Dunckley, David M. Furay 1999-02-09
5835303 Microminiature hard disk drive James H. Morehouse, David M. Furay, Bruce D. Emo, Steven B. Volk 1998-11-10
5790345 Disk clamp with tabs shaped to apply equal forces at equally spaced locations around an axis of rotation of a disk drive 1998-08-04
5592349 Microminiature disk drive with clamp having fingers for radially positioning a pair of disks and a spindle motor providing a reduced disk drive height James H. Morehouse, James A. Dunckley, David M. Furay, Bruce D. Emo, Steven B. Volk 1997-01-07
5579189 Microminiature hard disk drive James H. Morehouse, James A. Dunckley, David M. Furay, Richard K. Thompson 1996-11-26
5453889 Disk drive with disk restraint for protection against non-operational shocks 1995-09-26
5422770 Shock bumper for a head/disk suspension 1995-06-06