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USPTO Patent Rankings Data through Dec 31, 2025
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Eric L. Kostecki — 2 Patents

SUSuperconductivity: 2 patents #4 of 9Top 45%
Madison, WI: #1,996 of 4,527 inventorsTop 45%
Wisconsin: #17,225 of 40,088 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Eric L. Kostecki has been granted 2 US patents while listed as an inventor at Superconductivity. The first was granted in 1992 and the most recent in July 1997. Eric L. Kostecki ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Eric L. Kostecki in Madison, WI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5644218 Protection device for a superconducting coil of a superconducting voltage stabilizer Jeffery C. Emmerich, Warren Elliott Buckles 1997-07-01
5159261 Superconducting energy stabilizer with charging and discharging DC-DC converters Sang H. Kim, Carel C. DeWinkel 1992-10-27