Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MP

Michael Plotka — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
PEPrinciple Business Enterprises: 1 patents #5 of 9Top 60%
Waterville, OH: #48 of 93 inventorsTop 55%
Ohio: #30,551 of 73,341 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Michael Plotka has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1991 and the most recent in October 1994. Michael Plotka ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Michael Plotka in Waterville, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5354289 Absorbent product including super absorbent material and a fluid absorption capacity monitor Winalee G. Mitchell, Andrew J. Szypka 1994-10-11
5072687 Absorbent product for personal use Winalee G. Mitchell, James G. Mitchell, Gary Van Streader, Thomas Krassow 1991-12-17