Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Benjamin S. Ehrlich — 6 Patents

EAE.I. Du Pont De Nemours And: 4 patents #3,325 of 12,129Top 30%
TUThe Upjohn: 1 patents #289 of 528Top 55%
CGCelanese Gmbh: 1 patents #445 of 478Top 95%
Cheshire, CT: #152 of 532 inventorsTop 30%
Connecticut: #7,364 of 34,797 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Benjamin S. Ehrlich has been granted 6 US patents. The first was granted in 1983 and the most recent in July 1997. Benjamin S. Ehrlich ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Benjamin S. Ehrlich in Cheshire, CT, US.

Patents per Year

Patents granted per year, 1983 to 1997Bar chart with a peak of 1 patents in 1983.peak 11983: 1 patents19831987: 1 patents19871989: 1 patents19891992: 1 patents19921996: 1 patents19961997: 1 patents1997

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5648412 Blow-moldable rigid thermoplastic polyurethane resins Gary Mistry, Kuan-Jen Wang 1997-07-15 $18,874,000
5491194 Thermally processable blends of high modulus polyurethanes and mass polymerized ABS resins David E. Henton, Augustin T. Chen, Paul J. Moses, Douglas E. Beyer 1996-02-13 $3,966,000
5089571 Regenerated, high molecular weight, thermoplastic resins and process for regenerating thermoplastic resins Henry W. Bonk, Augustin T. Chen 1992-02-18 $4,779,000
4822827 Thermoplastic polyurethanes with high glass transition temperatures Henry W. Bonk, Augustin T. Chen 1989-04-18 $4,207,000
4707525 Oxymethylene polymer molding compositions having enhanced impact resistance and article molded therefrom H. Leslie LaNieve, Robert S. Drzal 1987-11-17
4379904 Novel polyurethane product Richard W. Oertel, III 1983-04-12 $9,164,000