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USPTO Patent Rankings Data through Dec 31, 2025
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Gerald E. Sieren — 5 Patents

ALAllis-Chalmers: 5 patents #6 of 232Top 3%
Greendale, WI: #36 of 157 inventorsTop 25%
Wisconsin: #9,126 of 40,088 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Gerald E. Sieren has been granted 5 US patents while listed as an inventor at Allis-Chalmers. The first was granted in 1984 and the most recent in March 1985. Gerald E. Sieren ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Gerald E. Sieren in Greendale, WI, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4506749 Underhood muffler for tractor 1985-03-26 $629,000
D277861 Tractor 1985-03-05
4491191 Adjustable tractor grille shell 1985-01-01
4462611 Front end tractor weight assembly 1984-07-31 $797,000
4458774 Side panel latch for engine hood 1984-07-10 $248,000