Inventor · disambiguated record
William D. Humbel
Also filed as: HUMBEL WILLIAM D
5 granted patents·14 citations·filing 1990–1990
73Inventor score
Technology areasG01M
Files withEASTMAN KODAK CO5
Top patents by PatentIndex Score
5 records- 0130US4979819AFoucault knife-edge test for quantitatively determining a wavefront aberration over the entire surface of an optical imaging deviceEASTMAN KODAK CO·Filed 1990·Granted Dec 25, 1990·5 cites·3 claims
- 0228US5155544AFoucault method for testing an optical surfaceEASTMAN KODAK CO·Filed 1990·Granted Oct 13, 1992·3 cites·20 claims
- 0328US4993831AClosed loop Foucault knife-edge testEASTMAN KODAK CO·Filed 1990·Granted Feb 19, 1991·3 cites·4 claims
- 0427US5020905AApplication of the Foucault knife-edge test to a segmented opticEASTMAN KODAK CO·Filed 1990·Granted Jun 4, 1991·1 cites·6 claims
- 0527US4969737AExpanded foucault knife-edge test for quantitatively testing an optical imaging deviceEASTMAN KODAK CO·Filed 1990·Granted Nov 13, 1990·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →