Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Eric Downing — 8 Patents

SPStemco Products: 2 patents #13 of 40Top 35%
SCStemco Co.: 1 patents #30 of 74Top 45%
Bay City, MI: #46 of 405 inventorsTop 15%
Michigan: #12,001 of 86,293 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Eric Downing has been granted 8 US patents while listed as an inventor at Stemco Products. The first was granted in 2001 and the most recent in October 2019. Eric Downing ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Eric Downing in Bay City, MI, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10427652 Steering axle kingpin removal system William Chirrey, Paul Dolan, Thor David Sabgash, David Osowski 2019-10-01
10040130 Steering spindle repair kit and associated apparatus and methods Paul Dolan, Paul M. Buda, Bill Chirrey 2018-08-07
9669501 Steering spindle repair kit and associated apparatus and methods Paul Dolan, Paul M. Buda, Bill Chirrey 2017-06-06
6647765 Apparatus and method for a cleaning detection device 2003-11-18
6565363 Magnetic modular jack 2003-05-20
6499939 Water wheel 2002-12-31
6471066 Trash bag patch 2002-10-29
6274787 Transparent, span-over-the-wound bandage 2001-08-14