Inventor · disambiguated record
Manfred Langer
Also filed as: LANGER MANFRED
19 granted patents·213 citations·filing 1974–1997
95Inventor score
Top patents by PatentIndex Score
19 records- 0183US4332935AProcess for the production of cationic starch ethersDEGUSSA·Filed 1980·Granted Jun 1, 1982·26 cites·20 claims
- 0279US4214906AMethod of producing an article which comprises a first zone of a nonoxide ceramic material and a second zone of a softer materialVOLKSWAGENWERK AG·Filed 1975·Granted Jul 29, 1980·26 cites·16 claims
- 0379US4150244AProcess for the production of crystalline alcohol free alkali metal alcoholates in an inert solventDEGUSSA·Filed 1977·Granted Apr 17, 1979·12 cites·9 claims
- 0470US4365933AAxial vane ring consisting of ceramic materials for gas turbinesVOLKSWAGENWERK AG·Filed 1979·Granted Dec 28, 1982·39 cites·10 claims
- 0566US4902826AProcess for the preparation of 2-arylthiobenzoic acidsBAYER AG·Filed 1988·Granted Feb 20, 1990·8 cites·14 claims
- 0666US4252637AProcess for the reprocessing of used lubricating oils (II)DEGUSSA·Filed 1979·Granted Feb 24, 1981·17 cites·5 claims
- 0754US4366049AProcess for recycling of used lubricating oilsLEYBOLD HERAEUS GMBH & CO KG·Filed 1980·Granted Dec 28, 1982·17 cites·2 claims
- 0852US4362471AArticle, such as a turbine rotor and blade which comprises a first zone of a nonoxide ceramic material and a second zone of a softer materialVOLKSWAGENWERK AG·Filed 1980·Granted Dec 7, 1982·12 cites·14 claims
- 0947US4219456AFlame retardant agent solution of phosphoric acid containing condensate of guanidine and formaldehyde compatible with formaldehyde resin solutionsDEGUSSA·Filed 1978·Granted Aug 26, 1980·6 cites·9 claims
- 1047US4094693AD,L Tartaric acid as retardant for gypsum plasterDEGUSSA·Filed 1976·Granted Jun 13, 1978·9 cites·8 claims
- 1146US3986806AInjection moulding apparatusLEVER BROTHERS LTD·Filed 1974·Granted Oct 19, 1976·12 cites·4 claims
- 1244US4686303AProcess for the preparation of diaryl sulphidesCASSELLA FARBWERKE MAINKUR AG·Filed 1986·Granted Aug 11, 1987·3 cites·15 claims
- 1344US4677209AProcess for the preparation of 2-mercaptobenzoxazolesCASSELLA FARBWERKE MAINKUR AG·Filed 1986·Granted Jun 30, 1987·2 cites·6 claims
- 1440US6121480AMethod for producing unsymmetrically substituted biphenylsGREAT LAKES CHEM KONSTANZ GMBH·Filed 1997·Granted Sep 19, 2000·4 cites·15 claims
- 1540US4255252AProcedure for the reprocessing of used lubricating oilsDEGUSSA·Filed 1979·Granted Mar 10, 1981·4 cites·7 claims
- 1640US3977820AInjection moulding manifoldLEVER BROTHERS LTD·Filed 1974·Granted Aug 31, 1976·11 cites·2 claims
- 1735US4124406ASetting retarderDEGUSSA·Filed 1976·Granted Nov 7, 1978·4 cites·8 claims
- 1833US5637740AProduction of 2, 3-epoxypropyl trialkyl ammonium chloridesDEGUSSA·Filed 1995·Granted Jun 10, 1997·1 cites·11 claims
- 1926US4401603AProcess for the preparation of aryl isocyanide-dichloridesCASSELLA FARBWERKE MAINKUR AG·Filed 1982·Granted Aug 30, 1983·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →