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

Patrick Den Boer — 2 Patents

CKCrompton & Knowles: 2 patents #8 of 45Top 20%
Glen Rock, NJ: #71 of 164 inventorsTop 45%
New Jersey: #30,063 of 69,400 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Patrick Den Boer has been granted 2 US patents while listed as an inventor at Crompton & Knowles. All of these patents were granted in 1987. Patrick Den Boer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Patrick Den Boer in Glen Rock, NJ, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4693751 Titanium dioxide suspension for use in film coating Richard F. Heinze 1987-09-15 $819,000
4652313 Aqueous lake pigment suspension Richard F. Heinze, Benjamin L. Meyers, Barendra C. Mallik 1987-03-24 $728,000