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

Eize Roerdink — 6 Patents

SBStamicarbon B.V.: 4 patents #48 of 427Top 15%
SDStamicarbon B.V. Licensing Subsidary Of Dsm: 1 patents #4 of 24Top 20%
Beek, NL: #3 of 47 inventorsTop 7%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Eize Roerdink has been granted 6 US patents while listed as an inventor at Stamicarbon B.V.. The first was granted in 1987 and the most recent in January 1992. Eize Roerdink ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Eize Roerdink in Beek, NL.

Patents per Year

Patents granted per year, 1987 to 1992Bar chart with a peak of 2 patents in 1988.peak 21987: 1 patents19871988: 2 patents19881989: 2 patents19891992: 1 patents1992

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5084552 Terpolyamide from tetramethylene diamine Jean M. M. Warnier 1992-01-28
4849498 4.6/4.I copolyamide and a process for the preparation thereof Jean M. M. Warnier 1989-07-18
4814356 High molecular weight polytetramethyleneadipamide pellets Antonius J. P. Bongers 1989-03-21
4757131 Production of high-molecular polytetramethylene adipamide pellet Antonius J. P. Bongers 1988-07-12
4722997 Process for the preparation of nylon 4,6 Jean M. M. Warnier 1988-02-02
4661545 Thermoplastic moulding compound Wilhelmus G. M. Bruls 1987-04-28