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USPTO Patent Rankings Data through Dec 31, 2025
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Stephen E. Williams — 17 Patents

SES&C Electric: 12 patents #19 of 210Top 10%
CTCooper Technologies: 2 patents #441 of 859Top 55%
MCMcgraw-Edison: 1 patents #75 of 210Top 40%
Tabor, WI: #1 of 1 inventorsTop 100%
Wisconsin: #2,488 of 40,088 inventorsTop 7%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Stephen E. Williams has been granted 17 US patents while listed as an inventor at S&C Electric. The first was granted in 2001 and the most recent in April 2025. Stephen E. Williams ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Stephen E. Williams in Tabor, WI, US.

Patents per Year

Patents granted per year, 2001 to 2025Bar chart with a peak of 3 patents in 2022.peak 32001: 1 patents20012009: 1 patents2011: 1 patents20112014: 1 patents2016: 1 patents20162020: 1 patents2021: 2 patents20212022: 3 patents2023: 3 patents20232024: 2 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12266925 Transmission line fault location, isolation and system restoration (FLISR) system Michael Meisinger, Martin T. Bishop 2025-04-01
12107410 Transformer overcurrent protection Martin T. Bishop, Marcelo Perez 2024-10-01
11936181 Earth fault sectionalizer for electric power distribution network Martin T. Bishop, David Klein 2024-03-19
11848557 Utility distribution fault restoration system David Porter, Michael Meisinger, Martin T. Bishop 2023-12-19
11817702 Sectionalizing using coded pulses and pulse testing Martin T. Bishop, Michael Meisinger 2023-11-14
11670471 Low energy reclosing pulse test David Porter, Peter J. Meyer, Martin T. Bishop, Thomas J. Dyer, Andrew B. Berman +2 more 2023-06-06
11431167 Utility distribution fault restoration system David Porter, Michael Meisinger, Martin T. Bishop 2022-08-30
11329479 Locating and isolating grid faults utilizing a fast close-open operation Michael Meisinger, Martin T. Bishop, David Porter 2022-05-10
11328885 Low energy reclosing pulse test David Porter, Peter J. Meyer, Martin T. Bishop, Thomas J. Dyer, Andrew B. Berman +2 more 2022-05-10
11063450 System and method for closed-transition transfer of DC battery banks on a grid scale battery energy storage system David Porter 2021-07-13
10958074 Distributed energy storage system and method of distributing energy Donald S. Berkowitz, David Porter, Terrence Bellei, James W. Sember 2021-03-23
10868425 Method to detect utility disturbance and fault direction David Porter 2020-12-15
9438026 Circuit breaker panel with wireless communications capability Jeffrey L. Franks, Ray Cole 2016-09-06
8681463 Circuit breaker panel Jeffrey L. Franks, Ray Cole 2014-03-25
7902813 Protective digital relay device Ljubomir A. Kojovic 2011-03-08
7638999 Protective relay device, system and methods for Rogowski coil sensors Ljubomir A. Kojovic 2009-12-29
6313623 High precision rogowski coil Ljubomir A. Kojovic, Veselin Skendzic 2001-11-06

Frequent Collaborators

Martin T. Bishop9 shared
David Porter8 shared
Michael Meisinger5 shared
Ljubomir A. Kojovic3 shared
Thomas J. Dyer2 shared
Lauren Abramczyk2 shared

Nearby-Ranked Inventors

Michael John Caelwaerts17
Umut Zalluhoglu17
Austino Longo17
Till Bredbeck17
Mircea Grigore17
Achim Klein17
Manesh Nadupparambil Sekharan17
Yoshiaki Nishikawa17
Evan Sparks17