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USPTO Patent Rankings Data through Dec 31, 2025
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Stephen Kariniemi — 9 Patents

UNUnknown: 6 patents #2,010 of 83,584Top 3%
Phoenix, AZ: #718 of 6,660 inventorsTop 15%
Arizona: #4,088 of 32,909 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Stephen Kariniemi has been granted 9 US patents while listed as an inventor at Unknown. The first was granted in 1994 and the most recent in August 2025. Stephen Kariniemi ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Stephen Kariniemi in Phoenix, AZ, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12391080 Trailing arm for a vehicle 2025-08-19
10899184 Trailing arms for a vehicle 2021-01-26
10766534 Front A-Arms for a vehicle 2020-09-08
10137769 Center mounted air chute for a rear mounted engine 2018-11-27
10023234 Arcuate frame for a vehicle 2018-07-17
9988092 All-terrain vehicle with an arcuate structural frame 2018-06-05
9944328 Arcuate frame for a vehicle 2018-04-17
9493191 Arcuate frame for a vehicle 2016-11-15
5349802 Positioner/fastener 1994-09-27