Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John S. Agapiou — 5 Patents in 2021

General Motors: 5 patents #83 of 1,408Top 6%
Rochester Hills, MI: #7 of 231 inventorsTop 4%
Michigan: #435 of 9,874 inventorsTop 5%
Overall (2021): #31,815 of 548,734Top 6%
5 Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11131739 Calibration standard for partial discharge measurement Ronald M. Lesperance, Thomas A. Perry 2021-09-28 $43,266,000
11095197 Modular stator John D. Campbell, Frederick W. Rhoads, Hongliang Wang, James G. Schroth, Thomas A. Perry 2021-08-17 $37,007,000
11063499 Hybrid motor rotor casting apparatus and method 2021-07-13 $56,527,000
10992212 Method of manufacturing a stator Hongliang Wang, Thomas A. Perry, John D. Campbell 2021-04-27 $50,721,000
10958144 Method of manufacturing an induction rotor Thomas A. Perry 2021-03-23 $44,996,000