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USPTO Patent Rankings Data through Dec 31, 2025
WC

William D. Couper — 5 Patents

AMAmp: 3 patents #501 of 1,383Top 40%
ITInternational Telephone And Telegraph: 2 patents #96 of 507Top 20%
Tempe, AZ: #576 of 2,648 inventorsTop 25%
Arizona: #6,948 of 32,909 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
William D. Couper has been granted 5 US patents while listed as an inventor at Amp. The first was granted in 1986 and the most recent in February 1991. William D. Couper ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list William D. Couper in Tempe, AZ, US.

Patents per Year

Patents granted per year, 1986 to 1991Bar chart with a peak of 2 patents in 1986.peak 21986: 2 patents19861990: 2 patents19901991: 1 patents1991

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4995837 Precision test connector George W. Michael, III 1991-02-26 $2,597,000
4936800 Precision test connector George W. Michael, III 1990-06-26 $4,993,000
4921447 Terminating a shield of a malleable coaxial cable Randolph E. Capp 1990-05-01 $2,906,000
4600262 Electrical connector embodying electrical circuit components Gerald R. Nieman, James E. Thompson, Clarence L. Clyatt, III 1986-07-15 $7,524,000
4582385 Electrical connector embodying electrical circuit components David W. DeChamp, Alfred R. Erbe 1986-04-15 $8,433,000