Inventor · disambiguated record
Hendrik De Wit
Also filed as: DE WIT HENDRIK · DE WIT HENDRIK C
7 granted patents·110 citations·filing 1976–1998
84Inventor score
Files withHUNTER DOUGLAS INTERNATIONAL2SHELL OIL CO2HUNTER DOUGLAS IND BV1WAVIN BV1WIT HENDRIK C DE1
Top patents by PatentIndex Score
7 records- 0180US3996988AVenetian blind, preferably a vertical blindHUNTER DOUGLAS IND BV·Filed 1976·Granted Dec 14, 1976·42 cites·10 claims
- 0269US4492388ACollapsible shopping cartWIT HENDRIK C DE·Filed 1981·Granted Jan 8, 1985·32 cites·8 claims
- 0358US4114673ALocking mechanism for vertical slat blindHUNTER DOUGLAS INTERNATIONAL·Filed 1977·Granted Sep 19, 1978·16 cites·8 claims
- 0442US4492867AMethod of and apparatus for determining the state of ageing of plastic productsWAVIN BV·Filed 1982·Granted Jan 8, 1985·10 cites·16 claims
- 0539US4128914AWeight and weight end piece for vertical slat blindHUNTER DOUGLAS INTERNATIONAL·Filed 1977·Granted Dec 12, 1978·10 cites·9 claims
- 0628US5990259APolyketone polymer compositionSHELL OIL CO·Filed 1998·Granted Nov 23, 1999·0 cites·13 claims
- 0727US6143860APolyketone polymer compositionSHELL OIL CO·Filed 1998·Granted Nov 7, 2000·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →