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USPTO Patent Rankings Data through Dec 31, 2025
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Martin E. Benjamin — 5 Patents

GAGarlock: 5 patents #3 of 42Top 8%
Gastonia, NC: #45 of 344 inventorsTop 15%
North Carolina: #10,126 of 45,564 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Martin E. Benjamin has been granted 5 US patents while listed as an inventor at Garlock. The first was granted in 1981 and the most recent in June 1982. Martin E. Benjamin ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Martin E. Benjamin in Gastonia, NC, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4335889 Shaft seal with liner flange Douglas A. Cather, Jr. 1982-06-22
4289318 Hydraulic motor balancing ring seal Douglas A. Cather, Jr. 1981-09-15
4270442 Disc brake boot Dean R. Bainard 1981-06-02
4270759 Combination thrust washer and seal article, apparatus and method Dennis N. Denton 1981-06-02
4268040 Thrust washer and combination seal and thrust washer method and apparatus Dean R. Bainard 1981-05-19