Inventor · disambiguated record
Henning Franek
Also filed as: FRANEK HENNING
10 granted patents·222 citations·filing 1982–1994
90Inventor score
Top patents by PatentIndex Score
10 records- 0186US4714721AComposite plastics-based material for prosthesis purposesLEITZ ERNST GMBH·Filed 1985·Granted Dec 22, 1987·81 cites·26 claims
- 0270US4881897ATooth-root implant with long-term resistance to repetitive stressesLEITZ ERNST GMBH·Filed 1987·Granted Nov 21, 1989·42 cites·32 claims
- 0362US4830655AHigh temperature-resistant material for devices used for forming glass optical elements with high surface qualityLEITZ ERNST GMBH·Filed 1987·Granted May 16, 1989·14 cites·9 claims
- 0460US4889548AUse of an oxide ceramic material for compression molds for shaping elements made from glass or a glass-containing ceramic and having high surface quality and dimensional accuracyLEITZ ERNST GMBH·Filed 1987·Granted Dec 26, 1989·15 cites·19 claims
- 0556US5068209AOptical fluorophosphate glass with anomalous positive incremental dispersion and process for making itLEITZ WILD GMBH·Filed 1989·Granted Nov 26, 1991·19 cites·5 claims
- 0645US4608051AAuditory canal wall prosthesis and process for producing sameLEITZ ERNST GMBH·Filed 1982·Granted Aug 26, 1986·25 cites·35 claims
- 0741US4617024AAuditory ossicle prosthesis and process for its manufactureLEITZ ERNST GMBH·Filed 1983·Granted Oct 14, 1986·18 cites·13 claims
- 0832US4859635AOptical fluorophosphate glass having anomalous positive partial dispersion and process for its productionLEITZ ERNST GMBH·Filed 1988·Granted Aug 22, 1989·4 cites·5 claims
- 0926US5630858ATemperature resistant material, particularly as substitute for asbestos in devices for handling objects of hot glassWESTERWALD GLASSTEIN GMBH·Filed 1994·Granted May 20, 1997·4 cites·24 claims
- 1026US4941907AProcess for producing an optical fluorophosphate glass having anomalous positive partial dispersionLEITZ WILD GMBH·Filed 1989·Granted Jul 17, 1990·0 cites·4 claims
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