Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Gwaltney — 7 Patents

HIHennessy Industries: 6 patents #5 of 33Top 20%
Brentwood, TN: #68 of 421 inventorsTop 20%
Tennessee: #2,739 of 20,272 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Robert E. Gwaltney has been granted 7 US patents while listed as an inventor at Hennessy Industries. The first was granted in 1983 and the most recent in March 2000. Robert E. Gwaltney ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert E. Gwaltney in Brentwood, TN, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6039104 Dual purpose clamp for rim holding tire changers Charles L. Cunningham 2000-03-21 $43,425,000
5623981 Safety barrier for rim holding tire changers Charles L. Cunningham, Ronald D. Hone 1997-04-29
4872492 Pneumatic tire inflator Marcus E. McAnally 1989-10-10 $2,389,000
4850402 System for controlling the inflation of tires Charles L. Cunningham 1989-07-25 $2,501,000
D293916 Rim clamp tire changer Charles L. Cunningham 1988-01-26
4456038 Apparatus for pressurizing tires to a desired level Jim L. Holladay 1984-06-26 $650,000
4417614 Abrasion eliminating tire changing tool Charles L. Cunningham 1983-11-29 $480,000