Inventor · disambiguated record
Willem J. Hagendoorn
Also filed as: HAGENDOORN WILLEM J · HAGENDOORN WILLEM JACOB
3 granted patents·35 citations·filing 1976–1992
66Inventor score
Top patents by PatentIndex Score
3 records- 0179US4450569AMethod and structure for maintaining effluent pressure range within an electric arc melting furnaceHAGENDOORN WILLEM J·Filed 1982·Granted May 22, 1984·22 cites·7 claims
- 0248US4118206AOil mist filtering apparatus and methodFISHER KLOSTERMAN INC·Filed 1976·Granted Oct 3, 1978·13 cites·7 claims
- 0321US5259867AMethod of treating dross materials in metallurgical melting processesHAGENDOORN WILLEM J·Filed 1992·Granted Nov 9, 1993·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →