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

Patrick Purcell — 7 Patents

ZEZeochem: 3 patents #3 of 18Top 20%
MLMinroc Technical Promotions Limited: 2 patents #2 of 4Top 50%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Louisville, KY: #440 of 3,201 inventorsTop 15%
Kentucky: #1,656 of 11,577 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Patrick Purcell has been granted 7 US patents while listed as an inventor at Zeochem. The first was granted in 1989 and the most recent in November 2025. Patrick Purcell ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Patrick Purcell in Louisville, KY, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12475252 Information security systems and methods thereof Andrej Simec, Stephen Robert Hogben 2025-11-18
9555401 Molecular sieve adsorbent blends and uses thereof Kerry Weston 2017-01-31
8969633 Molecular sieve adsorbent blends and uses thereof Kerry Weston 2015-03-03
8680344 Molecular sieve adsorbent blends and uses thereof Kerry Weston 2014-03-25
7401861 Apparatus for removing surface coverings and methods for using such apparatus Kevin J. Miller 2008-07-22
5685380 Reverse circulation down-the-hole drill Joseph Purcell 1997-11-11
4819746 Reverse circulation down-the-hole hammer drill and bit therefor John Christopher Brown, Peter J. Sweeny 1989-04-11