Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Frederick C. Close — 5 Patents

Pitney Bowes: 4 patents #353 of 1,313Top 30%
Great Amwell, GB: #1 of 1 inventorsTop 100%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Frederick C. Close has been granted 5 US patents while listed as an inventor at Pitney Bowes. The first was granted in 1989 and the most recent in September 1991. Frederick C. Close ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Frederick C. Close in Great Amwell, GB.

Patents per Year

Patents granted per year, 1989 to 1991Bar chart with a peak of 2 patents in 1989.peak 21989: 2 patents19891990: 1 patents19901991: 2 patents1991

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5046378 Anti-jamming gear arrangement Ray L. Bannister, Peter J. Loeber 1991-09-10 $30,848,000
5024153 Print drum for a postage meter Raymond Bannister, Peter J. Loeber 1991-06-18 $16,431,000
4910392 Counter mechanisms Ray L. Bannister, Peter J. Loeber 1990-03-20 $3,995,000
4881460 Postage meter and control arrangement for same Ray L. Bannister, Peter J. Coeber 1989-11-21 $9,333,000
4841858 Impression roller assembly including an ejector roller Ray L. Bannister, Peter J. Loeber 1989-06-27