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

Leon Cooper — 3 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Westlake Village, CA: #222 of 587 inventorsTop 40%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Leon Cooper has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in January 2000. Leon Cooper ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Leon Cooper in Westlake Village, CA, US.

Patents per Year

Patents granted per year, 1981 to 2000Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811992: 1 patents19922000: 1 patents2000

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6015230 Method and apparatus for testing heat detectors James C. Wantz 2000-01-18
5139699 Spray formulation for the testing of smoke detectors William H. Haines 1992-08-18
4301674 Smoke detector tester William H. Haines 1981-11-24