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

John A. O'Connor — 8 Patents

UNUnitrode: 6 patents #4 of 48Top 9%
ExxonMobil: 1 patents #5,674 of 10,161Top 60%
Houston, TX: #2,918 of 21,073 inventorsTop 15%
Texas: #19,067 of 125,132 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
John A. O'Connor has been granted 8 US patents while listed as an inventor at Unitrode. The first was granted in 1982 and the most recent in July 1999. John A. O'Connor ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list John A. O'Connor in Houston, TX, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5929577 Brushless DC motor controller Robert A. Neidorff, David S. Zendzian 1999-07-27 $19,846,000
5847942 Controller for isolated boost converter with improved detection of RMS input voltage for distortion reduction and having load-dependent overlap conduction delay of shunt MOSFET John Phillip Bazinet, Dhaval Dalal 1998-12-08 $8,835,000
5793596 Floating positive circuit breaker Mark Jordan, James R. Garrett 1998-08-11
5691889 Controller having feed-forward and synchronization features John Phillip Bazinet, John H. Ziegler 1997-11-25 $4,752,000
5652501 Voltage sensor for detecting cell voltages Winthrop H. McClure, Robert A. Mammano 1997-07-29 $5,006,000
5627460 DC/DC converter having a bootstrapped high side driver John Phillip Bazinet 1997-05-06 $4,270,000
5422562 Switching regulator with improved Dynamic response Robert A. Mammano 1995-06-06 $1,984,000
4360064 Circulating valve for wells Warren E. Holland, James D. Burley, Ronald D. Rogers, Fred E. Watkins, Ben D. Terral 1982-11-23 $13,049,000