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USPTO Patent Rankings Data through Dec 31, 2025
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Benjamin C. Benjamin — 11 Patents

SCSchmelzer: 10 patents #1 of 13Top 8%
Flint, MI: #17 of 357 inventorsTop 5%
Michigan: #8,574 of 86,293 inventorsTop 10%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Benjamin C. Benjamin has been granted 11 US patents while listed as an inventor at Schmelzer. The first was granted in 1980 and the most recent in March 2000. Benjamin C. Benjamin ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Benjamin C. Benjamin in Flint, MI, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6042065 Collapsible needlework stand 2000-03-28
4557455 Releasable and adjustable securing device 1985-12-10
4475858 Threaded member having resilient insert Jack E. Cheney 1984-10-09
4320693 Adjustment for carburetor control devices 1982-03-23
4284261 Stroke adjustment for vacuum motor Charles A. Detweiler 1981-08-18
4237924 Fuel pressure regulator Charles A. Detweiler 1980-12-09
4237076 Two stage vacuum break Leon F. LaVene 1980-12-02
4237078 Carburetor choke control 1980-12-02
4213481 Valve control mechanism 1980-07-22
4191096 Time delay assembly 1980-03-04
4181065 Two stage vacuum break Leon F. LaVene 1980-01-01