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

Thomas A. Perry — 54 Patents

General Motors: 53 patents #137 of 18,328Top 1%
DEDelco Electronics: 1 patents #370 of 908Top 45%
HAHughes Aircraft: 1 patents #1,260 of 2,963Top 45%
Washington Township, MI: #1 of 92 inventorsTop 2%
Michigan: #810 of 86,293 inventorsTop 1%
Overall (All Time): #46,969 of 4,157,543Top 2%
54 Patents All Time
Thomas A. Perry has been granted 54 US patents while listed as an inventor at General Motors. The first was granted in 1992 and the most recent in September 2021. Thomas A. Perry ranks #46,969 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Thomas A. Perry in Washington Township, MI, US.

Patents per Year

Patents granted per year, 1992 to 2021Bar chart with a peak of 5 patents in 2013.peak 51992: 2 patents19921994: 1 patents1995: 2 patents1996: 4 patents19961997: 1 patents1998: 1 patents1999: 3 patents19992004: 1 patents2007: 2 patents2008: 1 patents20082011: 3 patents2012: 2 patents2013: 5 patents20132014: 3 patents2015: 1 patents2016: 4 patents20162017: 2 patents2018: 1 patents2019: 5 patents20192020: 5 patents2021: 5 patents2021

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11131739 Calibration standard for partial discharge measurement Ronald M. Lesperance, John S. Agapiou 2021-09-28 $43,266,000
11095197 Modular stator John S. Agapiou, John D. Campbell, Frederick W. Rhoads, Hongliang Wang, James G. Schroth 2021-08-17 $37,007,000
11007713 High throughput additive manufacturing system John Patrick Spicer, Jason J. Nolte, Blair E. Carlson, Anil K. Sachdev, HyungMin Chae +1 more 2021-05-18 $66,558,000
10992212 Method of manufacturing a stator John S. Agapiou, Hongliang Wang, John D. Campbell 2021-04-27 $50,721,000
10958144 Method of manufacturing an induction rotor John S. Agapiou 2021-03-23 $44,996,000
10630151 Rotor for an induction motor John S. Agapiou, James G. Schroth, Hongliang Wang, Michael P. Balogh 2020-04-21 $9,851,000
10576565 Laser welding of copper with reaction materials James G. Schroth, Hongliang Wang, Chen Zhou 2020-03-03 $6,985,000
10574122 Method of forming a rotor James G. Schroth, Sean Robert Wagner 2020-02-25 $8,506,000
10532420 Resistance spot welding of copper workpieces James G. Schroth, Hongliang Wang 2020-01-14 $24,813,000
10527158 Robust magnet field homogeneity and detected signal-to-noise for transmission park position sensor applications Sean Robert Wagner, David T. Stark 2020-01-07 $8,268,000
10471508 Additive manufacturing with laser energy recycling Blair E. Carlson, Jason J. Nolte, HyungMin Chae, John Patrick Spicer 2019-11-12 $5,300,000
10240222 Current schedule for optimized reaction metallurgical joining James G. Schroth 2019-03-26 $18,086,000
10226841 Aperture plate for overheating prevention and wire nozzle protection Hui Wang, Michael G. Poss, Aaron D. Cox, Blair E. Carlson 2019-03-12 $20,193,000
10213878 Arc welding/brazing process for low-heat input copper joining James G. Schroth, John S. Agapiou, Ronald M. Lesperance 2019-02-26 $19,419,000
10168249 Magnetic transmission park position sensor Sean Robert Wagner, Scott W. Piper, Cheol W. Kim 2019-01-01
10036083 Reaction material pre-placement for reaction metallurgical joining James G. Schroth, Chen Zhou 2018-07-31 $13,022,000
9839971 Resistance spot welding steel and aluminum workpieces with hot welding electrode at aluminum workpiece James G. Schroth, David R. Sigler 2017-12-12 $25,725,000
9547049 Automotive magnetic shield David T. Stark, Daniel Joshua Smith, Joshua C. Sautner 2017-01-17 $13,368,000
9482710 Inspection system for evaluating electrical parts for unwanted partial discharge John S. Agapiou, Jon Matthew Radlick 2016-11-01 $7,132,000
9476948 Automotive magnetic shield David T. Stark, Daniel Joshua Smith, Thomas W. Nehl 2016-10-25 $7,174,000
9476944 Insulation inspection instrument John D. Campbell 2016-10-25 $7,174,000
9350217 Rotor and method of forming same John S. Agapiou, James G. Schroth 2016-05-24 $6,955,000
9073143 Automation of reaction metallurgical joining for copper conductors James G. Schroth, David R. Sigler 2015-07-07 $5,975,000
8910371 Method for fabricating an induction rotor Richard M. Kleber, John S. Agapiou 2014-12-16 $13,733,000
8905291 Coulomb damping features using ultrasonic welding James G. Schroth 2014-12-09 $11,528,000