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USPTO Patent Rankings Data through Dec 31, 2025
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John Brennan — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Minesing, CA: #4 of 15 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John Brennan has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 2011 and the most recent in December 2021. John Brennan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Brennan in Minesing, ON, CA.

Patents per Year

Patents granted per year, 2011 to 2021Bar chart with a peak of 1 patents in 2011.peak 12011: 1 patents20112013: 1 patents20132021: 1 patents2021

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11209087 Multi-seat gate valve — 2021-12-28
8617035 Physical therapy rehabilitation apparatus Edward Charles Leach 2013-12-31
7918773 Physical therapy rehabilitation apparatus Edward Charles Leach 2011-04-05

Frequent Collaborators

Edward Charles Leach2 shared

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