Inventor · disambiguated record
Freerk R. Van Calker
Also filed as: VAN CALKER FREERK R
3 granted patents·55 citations·filing 1985–1988
72Inventor score
Files withAKZO NV3
Top patents by PatentIndex Score
3 records- 0168US4928812AConveyor belt of PVC provided with a compound layer of reinforcing material and a process of weaving said reinforcing layerAKZO NV·Filed 1988·Granted May 29, 1990·25 cites·4 claims
- 0259US4877126AConveyor beltAKZO NV·Filed 1988·Granted Oct 31, 1989·19 cites·9 claims
- 0340US4720398AProcess for the improvement of the adhesion to rubber or a thermoplastic elastomer of synthetic yarns, cords or fabrics made therefromAKZO NV·Filed 1985·Granted Jan 19, 1988·11 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →