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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Patrick E. Hillman — 3 Patents

PIPpg Industries: 3 patents #352 of 1,216Top 30%
Port Aransas, TX: #125 of 524 inventorsTop 25%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Patrick E. Hillman has been granted 3 US patents while listed as an inventor at Ppg Industries. The first was granted in 1982 and the most recent in April 1983. Patrick E. Hillman ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Patrick E. Hillman in Port Aransas, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4381374 Halogenation of butadiene polymers in mixed solvents 1983-04-26 $7,189,000
4361601 Method of forming a permionic membrane Preston S. White 1982-11-30 $1,749,000
4357444 Method for mechanically subdividing rubbery, tacky polymer 1982-11-02 $3,538,000