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

Patrick A. Fredrickson — 4 Patents

CSCleaning Systems: 2 patents #6 of 10Top 60%
Menasha, WI: #115 of 360 inventorsTop 35%
Wisconsin: #10,875 of 40,088 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Patrick A. Fredrickson has been granted 4 US patents while listed as an inventor at Cleaning Systems. The first was granted in 1992 and the most recent in November 2019. Patrick A. Fredrickson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Patrick A. Fredrickson in Menasha, WI, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10488244 Self-filling graduated cylinder system David R. Krause, Kenneth R. Smith 2019-11-26
10151614 Self-filling graduated cylinder system David R. Krause, Kenneth R. Smith 2018-12-11
5232031 Wooden cummberbund apparatus and methods 1993-08-03
5173969 Wooden cummerbund 1992-12-29