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USPTO Patent Rankings Data through Dec 31, 2025
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Robert A. Willoughby — 5 Patents

ARAro: 2 patents #18 of 92Top 20%
INIngersoll-Rand: 2 patents #264 of 857Top 35%
Athens, PA: #13 of 44 inventorsTop 30%
Pennsylvania: #16,056 of 74,527 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert A. Willoughby has been granted 5 US patents while listed as an inventor at Aro. The first was granted in 1980 and the most recent in October 2025. Robert A. Willoughby ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert A. Willoughby in Athens, PA, US.

Patents per Year

Patents granted per year, 1980 to 1989Bar chart with a peak of 2 patents in 1989.peak 21980: 1 patents19801981: 1 patents19811989: 2 patents1989

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12453552 Compression staple systems and methods Dinesh Koka, Nathan Erickson, Briam Johnson, Daniel J. Triplett 2025-10-28
4880064 Torque sensing, automatic shut-off and reset clutch for screwdrivers, nutsetters and the like Phil D. Thorp 1989-11-14
4844177 Torque sensing, automatic shut-off and reset clutch for toggle controlled screwdrivers, nutsetters and the like Richard Drake Robinson, Phil D. Thorp 1989-07-04
4243111 Automatic shut-off valve for power tools Renno W. Budziak 1981-01-06 $4,395,000
4218853 Energy absorbing keyhole slots John P. Law, Renno W. Budziak 1980-08-26 $6,328,000