Inventor · disambiguated record
Hans-Joachim Schittenhelm
Also filed as: SCHITTENHELM HANS-JOACHIM
10 granted patents·163 citations·filing 1985–1997
90Inventor score
Files withBAYER AG10
Top patents by PatentIndex Score
10 records- 0175US4713530AHeating element combined glass/enamel overcoatBAYER AG·Filed 1986·Granted Dec 15, 1987·34 cites·7 claims
- 0270US5851587AProcess for producing coated bismuth vanadate yellow pigmentsBAYER AG·Filed 1996·Granted Dec 22, 1998·29 cites·10 claims
- 0369US4847218AEnamel frits for sheet steel with improved bondingBAYER AG·Filed 1988·Granted Jul 11, 1989·18 cites·9 claims
- 0468US5837635AProcess for producing mixed oxide powders from deactivated denox catalystsBAYER AG·Filed 1997·Granted Nov 17, 1998·18 cites·10 claims
- 0560US5075263AEnamel frits for acid-resistant one-coat enamelling on unpickled steelsBAYER AG·Filed 1990·Granted Dec 24, 1991·21 cites·2 claims
- 0649US4689271ACoating for metallic substratesBAYER AG·Filed 1985·Granted Aug 25, 1987·11 cites·5 claims
- 0748US4970375AHigh-temperature heating systems and a process for their productionBAYER AG·Filed 1989·Granted Nov 13, 1990·11 cites·10 claims
- 0841US4659586AProcess for electrostatically spraying inorganic powdersBAYER AG·Filed 1985·Granted Apr 21, 1987·7 cites·3 claims
- 0940US5013362AFluorine-free superopaque enamel fritsBAYER AG·Filed 1990·Granted May 7, 1991·9 cites·10 claims
- 1034US5145804AEnamel powder for electrostatic applicationBAYER AG·Filed 1987·Granted Sep 8, 1992·5 cites·2 claims
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