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

Peter Kool — 1 Patent

PEPennwalt: 1 patents #119 of 288Top 45%
Brielle, NL: #7 of 23 inventorsTop 35%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Peter Kool has been granted 1 US patent while listed as an inventor at Pennwalt. All of these patents were granted in 1987. Peter Kool ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Peter Kool in Brielle, NL.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4655935 Detoxification of waste water from dithiocarbamate manufacture Jan A. Wijn 1987-04-07 $3,735,000