Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michael J. Buerchner — 5 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
Campbell, CA: #796 of 2,187 inventorsTop 40%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Michael J. Buerchner has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 2007 and the most recent in April 2021. Michael J. Buerchner ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Michael J. Buerchner in Campbell, CA, US.

Patents per Year

Patents granted per year, 2007 to 2021Bar chart with a peak of 2 patents in 2010.peak 22007: 1 patents20072010: 2 patents20102011: 1 patents20112021: 1 patents2021

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10973547 Self-retaining vaginal retractor Catherine Ann Buerchner 2021-04-13
8079165 Portable shopping aid Christopher N. Pericles, Michael J. Strasser, William G. Tannen 2011-12-20
D628874 Carabiner Christopher N. Pericles 2010-12-14
7673410 Portable shopping aid Christopher N. Pericles, Michael J. Strasser, William Tammen 2010-03-09
D547023 Shopping list holder Christopher N. Pericles, Michael J. Strasser, William Tammen 2007-07-17