Inventor · disambiguated record
Karl Ostertag
Also filed as: OSTERTAG KARL · VOLLBRECHT ROLF
16 granted patents·210 citations·filing 1974–1992
94Inventor score
Top patents by PatentIndex Score
16 records- 0177US4581236AProcess and apparatus for reduction of alcohol by dialysis in fermented beveragesAKZO NV·Filed 1984·Granted Apr 8, 1986·39 cites·23 claims
- 0274US4740104AUnderground irrigation or watering of soilAKZO NV·Filed 1986·Granted Apr 26, 1988·35 cites·14 claims
- 0370US4440641AHollow filament module and method and apparatus for production of the sameAKZO NV·Filed 1982·Granted Apr 3, 1984·26 cites·14 claims
- 0463US4343602AGear wheel pump with reduced power requirementAKZO NV·Filed 1979·Granted Aug 10, 1982·16 cites·17 claims
- 0560US4305983AThin walled tubing formed of a melt spinnable synthetic polymer and process for the manufacturing thereofAKZO NV·Filed 1979·Granted Dec 15, 1981·13 cites·18 claims
- 0660US4212915AMat material of melt-spun polymeric filaments having discontinuous cavitiesAKZONA INC·Filed 1978·Granted Jul 15, 1980·7 cites·8 claims
- 0757US4285898AProcess for the manufacture of monofilamentsAKZONA INC·Filed 1979·Granted Aug 25, 1981·7 cites·8 claims
- 0855US4484624AApparatus for transferring heat by means of hollow filaments, and its use in various heating systemsAKZO NV·Filed 1982·Granted Nov 27, 1984·16 cites·5 claims
- 0946US4289718AMat material and method for making itAKZONA INC·Filed 1979·Granted Sep 15, 1981·5 cites·10 claims
- 1042US3973739AWinding apparatusAKZONA INC·Filed 1974·Granted Aug 10, 1976·7 cites·8 claims
- 1138US4778569AMethod of separation of liquid mixture of solution by porous separating wallAKZO NV·Filed 1986·Granted Oct 18, 1988·7 cites·3 claims
- 1238US4488929AApparatus for the production of a continuous composite materialAKZONA INC·Filed 1983·Granted Dec 18, 1984·14 cites·1 claims
- 1336US4822491AProcess for transporting metal ions by means of microporous membranesAKZO NV·Filed 1985·Granted Apr 18, 1989·6 cites·38 claims
- 1436US4820343AProcess for transferring metal ions using microporous membranesAKZO NV·Filed 1985·Granted Apr 11, 1989·6 cites·22 claims
- 1530US5254303AMethod and device for manufacturing molded bodiesAKZO NV·Filed 1992·Granted Oct 19, 1993·2 cites·19 claims
- 1630US4305626ATextile rollersAKZONA INC·Filed 1980·Granted Dec 15, 1981·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →