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USPTO Patent Rankings Data through Dec 31, 2025
Home › Brown Machine › Stephen Keeley
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Stephen Keeley — 3 Patents

BMBrown Machine: 1 patents #8 of 17Top 50%
KUKvaerner U.S.: 1 patents #3 of 8Top 40%
Coleman, MI: #11 of 32 inventorsTop 35%
Michigan: #27,426 of 86,293 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Stephen Keeley has been granted 3 US patents while listed as an inventor at Brown Machine. The first was granted in 1998 and the most recent in December 2007. Stephen Keeley ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Stephen Keeley in Coleman, MI, US.

Patents per Year

Patents granted per year, 1998 to 2007Bar chart with a peak of 1 patents in 1998.peak 11998: 1 patents19982005: 1 patents20052007: 1 patents2007

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7303386 Method and apparatus for squaring and flattening sheets James Kundinger 2007-12-04
6969246 Forming station and process for twin sheet thermoforming James Kundinger 2005-11-29
5814185 Twin sheet thermoformer Victor L. Chun, James Kundinger 1998-09-29

Frequent Collaborators

James Kundinger3 shared
Victor L. Chun1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3