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USPTO Patent Rankings Data through Dec 31, 2025
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Duncan D. MacGregor — 17 Patents

Intel: 13 patents #3,167 of 30,777Top 15%
JSJadoo Power Systems: 4 patents #5 of 12Top 45%
ITItt: 1 patents #436 of 721Top 65%
Shingle Springs, CA: #9 of 86 inventorsTop 15%
California: #35,467 of 386,348 inventorsTop 10%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Duncan D. MacGregor has been granted 17 US patents while listed as an inventor at Intel. The first was granted in 1993 and the most recent in March 2011. Duncan D. MacGregor ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Duncan D. MacGregor in Shingle Springs, CA, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7914945 Fuel cell power and management system, and technique for controlling and/or operating same Glenn M. Dunn, Paul Getchel, Sinclair D. MacGregor, Kenneth E. Pearson 2011-03-29
7893651 System for a fuel cell power and management system Glenn M. Dunn, Paul Getchel, Sinclair D. MacGregor, Kenneth E. Pearson 2011-02-22
7888906 Power unit for a fuel cell power and management system Glenn M. Dunn, Paul Getchel, Sinclair D. MacGregor, Kenneth E. Pearson 2011-02-15
7271567 Fuel cell power and management system, and technique for controlling and/or operating same Glenn M. Dunn, Paul Getchel, Sinclair D. MacGregor, Kenneth E. Pearson 2007-09-18
6381836 Clip and pin field for IC packaging Jeff Lauruhn 2002-05-07 $68,605,000
5816827 Performance of add in printed circuit cards for computer systems Daryl J. Nelson 1998-10-06 $51,460,000
5810608 Contact pad extender for integrated circuit packages Rodney Rose 1998-09-22 $64,376,000
5605463 Performance of add in printed circuit cards for computer systems Daryl J. Nelson 1997-02-25 $117,990,000
5563769 Tabbed cover attach for PCMCIA card packaging and method for attaching the PCMCIA covers to the printed circuit board assembly 1996-10-08 $89,581,000
5525795 Voltage protection for add in cards with sideswipe contacts David C. Scheer, Neal E. Broadbent 1996-06-11 $78,500,000
5526217 Voltage protection for modem add in cards with sideswipe contacts Bob Gormley, David C. Scheer, Neal E. Broadbent 1996-06-11 $78,500,000
5477418 I/O connector for add in printed circuit cards for computer systems Neal E. Broadbent, Chengwu Chen, Richard R. Gargiulo 1995-12-19 $390,662,000
5445525 Interconnection scheme for integrated circuit card with auxiliary contacts Neal E. Broadbent 1995-08-29 $37,935,000
5423697 Modular communications connector for I/O card applications 1995-06-13 $96,660,000
5398154 Card grounding apparatus Carl Perkins 1995-03-14
5345367 Thin form factor computer card Michael E. Pierce, John A. Horn 1994-09-06 $27,908,000
5207586 Integral connector system for credit card size I/O card external connector Carl Perkins 1993-05-04 $181,791,000