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

Herman A. J. Schepers — 11 Patents

SBStamicarbon B.V.: 10 patents #9 of 427Top 3%
DNDsm N.V.: 1 patents #267 of 669Top 40%
Stein, NL: #3 of 48 inventorsTop 7%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Herman A. J. Schepers has been granted 11 US patents while listed as an inventor at Stamicarbon B.V.. The first was granted in 1981 and the most recent in April 2000. Herman A. J. Schepers ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Herman A. J. Schepers in Stein, NL.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6051681 Process for the preparation of a thermoplastic elastomer Albertus Otto Dozeman, Pieter Gijsman, Wilhelmus A. M. Debets 2000-04-18
5482997 Polyamide compositions Wilhelmus A. M. Debets 1996-01-09
5096972 Rubber-based graft copolymer Rene H. M. Seevens 1992-03-17
5071910 Thermoplastic polymer mixtures Wilhelmus A. M. Debets 1991-12-10
4742116 Thermoplastic moulding compound Wilhelmus A. M. Debets 1988-05-03
4721752 Process for preparing an impact-resistant thermoplastic moulding compound Wilhelmus A. M. Debets 1988-01-26
4468487 Polymer composition comprising nitrile copolymer, CPE and rubber Wilhelmus A. M. Debets 1984-08-28
4424309 Polymer composition comprising ClPe, S/An, PVC, and rubber 1984-01-03
4341884 Polymer composition 1982-07-27
4341885 Polymer composition 1982-07-27
4272431 Process for preparing a polymer mixture 1981-06-09