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USPTO Patent Rankings Data through Dec 31, 2025
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Peter E. Gifford — 3 Patents

CRCryomech: 2 patents #2 of 4Top 50%
Syracuse, NY: #265 of 891 inventorsTop 30%
New York: #38,631 of 115,490 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Peter E. Gifford has been granted 3 US patents while listed as an inventor at Cryomech. The first was granted in 1985 and the most recent in May 1992. Peter E. Gifford ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Peter E. Gifford in Syracuse, NY, US.

Patents per Year

Patents granted per year, 1985 to 1992Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851989: 1 patents19891992: 1 patents1992

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5113663 Multi-stage cryogenic refrigerator 1992-05-19
4848092 Heat exchanger for cryogenic refrigerator 1989-07-18
4490983 Regenerator apparatus for use in a cryogenic refrigerator Stephen Dail Swift 1985-01-01