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

William L. Hansen — 9 Patents

University of California: 1 patents #8,022 of 18,278Top 45%
UEUS Dept of Energy: 1 patents #1,355 of 5,099Top 30%
3M: 1 patents #7,251 of 11,543Top 65%
Walnut Creek, CA: #215 of 1,300 inventorsTop 20%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
William L. Hansen has been granted 9 US patents while listed as an inventor at 3M. The first was granted in 1986 and the most recent in June 2022. William L. Hansen ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list William L. Hansen in Walnut Creek, CA, US.

Patents per Year

Patents granted per year, 1986 to 2022Bar chart with a peak of 3 patents in 2022.peak 31986: 1 patents19861992: 1 patents19921996: 2 patents19962015: 1 patents20152021: 1 patents20212022: 3 patents2022

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D953807 Residential stove wrap 2022-06-07
D953808 Residential stove wrap 2022-06-07
D953809 Residential stove wrap 2022-06-07
D921428 Residential stove wrap 2021-06-08
D745805 Stove wrap 2015-12-22
5560212 Vehicle air conditioning system using liquid gas 1996-10-01
5518144 Dispenser package Bruce E. Samuelson, James R. Emmerling, Elmer Blackwell, James M. Peck, Jane H. Machacek +6 more 1996-05-21 $10,838,000
5110679 Hard carbon nitride and method for preparing same Eugene E. Haller, Marvin Lou Cohen 1992-05-05
4589006 Germanium detector passivated with hydrogenated amorphous germanium Eugene E. Haller 1986-05-13