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

William A. Hendriks — 7 Patents

HEHercules: 3 patents #198 of 725Top 30%
BPBetz Paperchem: 2 patents #12 of 35Top 35%
BEBetzdearborn: 2 patents #68 of 202Top 35%
Jacksonville, FL: #334 of 2,690 inventorsTop 15%
Florida: #7,971 of 67,251 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
William A. Hendriks has been granted 7 US patents while listed as an inventor at Hercules. The first was granted in 1993 and the most recent in May 2003. William A. Hendriks ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list William A. Hendriks in Jacksonville, FL, US.

Patents per Year

Patents granted per year, 1993 to 2003Bar chart with a peak of 2 patents in 2003.peak 21993: 1 patents19931996: 1 patents19961997: 1 patents19971999: 1 patents19992001: 1 patents20012003: 2 patents2003

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6558513 Non-aqueous release from paper machine equipment Jacqueline K. Pease 2003-05-06 $8,921,000
6517682 Process for controlling deposit of sticky material Jeffrey R. Cowart 2003-02-11 $8,182,000
6171445 Process for controlling deposit of sticky material Jeffrey R. Cowart 2001-01-09 $11,677,000
5942219 Composition for inhibiting microbial adhesion on surfaces 1999-08-24
5632860 Method of controlling foam in aqueous systems Daniel Joseph Barnett 1997-05-27 $4,003,000
5538668 Antifoam composition for aqueous starch and paper coating systems 1996-07-23 $2,592,000
5229033 Polybutene based foam control compositions for aqueous systems Duy T. Nguyen, Mitzi K. Fader 1993-07-20 $6,556,000