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USPTO Patent Rankings Data through Dec 31, 2025
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Robert D. Freeman — 29 Patents

DADphi Acquisitions: 12 patents #5 of 45Top 15%
IHIo-Mega Holding: 6 patents #40 of 308Top 15%
MAMaxtor: 2 patents #206 of 656Top 35%
TCThe Gillette Company: 2 patents #643 of 1,479Top 45%
FGFederal-Mogul Ignition Gmbh: 2 patents #29 of 92Top 35%
WEWestinghouse Electric: 1 patents #2,483 of 5,139Top 50%
IBM: 1 patents #44,878 of 70,183Top 65%
FWFederal-Mogul Worldwide: 1 patents #291 of 317Top 95%
STSeagate Technology: 1 patents #3,762 of 4,701Top 85%
Roy, UT: #3 of 142 inventorsTop 3%
Utah: #510 of 19,430 inventorsTop 3%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
Robert D. Freeman has been granted 29 US patents while listed as an inventor at Dphi Acquisitions. The first was granted in 1983 and the most recent in November 2015. Robert D. Freeman ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Robert D. Freeman in Roy, UT, US.

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9190116 Hard disc drive cover seal 2015-11-17 $4,895,000
8237341 Spark ignition device with bridging ground electrode and method of construction thereof Karina Havard 2012-08-07 $1,487,000
7959837 Method of compacting material Albert A. Andrews, Otis Neil Taylor, David Leon Watson, Eric V. Ball 2011-06-14
7850884 Method of compacting material Albert A. Andrews, Otis Neil Taylor, David Leon Watson, Eric V. Ball 2010-12-14
7825573 14 mm extension spark plug Richard E. Callahan 2010-11-02 $4,458,000
7521849 Spark plug with welded sleeve on electrode Karina Havard 2009-04-21 $13,437,000
7337452 Tilt focus mechanism for an optical drive Thomas E. Berg, David William Niss, Peter Raymond 2008-02-26
7227817 Low profile optical head Ian Redmond, Bernard W. Bell, Jr., David L. Blankenbeckler, Michael F. Braitberg 2007-06-05
6914868 Low profile optical head Ian Redmond, Bernard W. Bell, Jr., David L. Blankenbeckler, Michael F. Braitberg 2005-07-05
6906892 Mechanism and method for positioning data cartridge in disk drive Glade N. Bagnell, Joseph Paul Manes, Stephen A. Misuta, Shane Nowell, Brian L. Rappel +1 more 2005-06-14
6901598 Tilt focus method and mechanism for an optical drive Thomas E. Berg, David William Niss, Peter Raymond 2005-05-31
6829120 Data cartridge load/unload mechanism for disk drive Glade N. Bagnell, Joseph Paul Manes, Stephen A. Misuta, Shane Nowell, Brian L. Rappel +1 more 2004-12-07
6826138 Method for aligning actuator assembly to a base in a miniature optical disk drive Scott Abrahamson, Edmund Harbuz, Brian L. Rappel, Peter Raymond 2004-11-30
6817026 Magnetic hub assembly for data storage disk Thomas E. Berg, Scott Abrahamson 2004-11-09
6717893 Laser thermal management system David William Niss, Thomas E. Berg, Bernard W. Bell, Jr., Ian Redmond, Scott Abrahamson 2004-04-06
6687215 Low profile and medium protecting cartridge assembly Glade N. Bagnell, Thomas E. Berg, David William Niss, Edwin J. Wadsworth 2004-02-03
6632310 Disk drive actuator and method of making same Thomas E. Berg, David William Niss, Peter Raymond 2003-10-14
6631113 Continuous flexible connection method for miniature optical head Scott Abrahamson, Thomas E. Berg 2003-10-07
5057954 Disk drive head lift mechanism William O'Sullivan 1991-10-15 $2,901,000
4980786 Method and apparatus for improved thermal isolation and stability of disk drives William O'Sullivan, Harold T. Wright 1990-12-25
4901173 Apparatus for coupling record disk to disk drive David E. Jones, Randall C. Bauck 1990-02-13
4794480 Bernoulli plate in cartridge David E. Jones, Randall C. Bauck 1988-12-27 $1,045,000
4769733 Wipers for pair of stabilized magnetic disks Richard Colin Thomson HOWE, Brent Jenkins, David E. Jones, Merle E. Thowe 1988-09-06 $1,142,000
4768124 Record disk cartridge with flexible pad Randall C. Bauck, Anton J. Radman, Roy Thornock, Peter Kleczkowski, Paul D. Losee +1 more 1988-08-30 $1,176,000
4743989 Plural magnetic disk assembly Randall C. Bauck, David E. Jones 1988-05-10 $1,118,000