Inventor · disambiguated record
Hans Schaefer
Also filed as: SCHAEFER HANS · SCHAEFER HANS G · SCHAEFER HANS-GEORG
10 granted patents·151 citations·filing 1973–1998
90Inventor score
Files withDEGUSSA6BOSCH GMBH ROBERT1HAHN CARL DR GMBH1MANHATTAN R F DIE COMPANY1SCHAEFER HANS GEORG1
Top patents by PatentIndex Score
10 records- 0188US4378995AIron blue pigment, process for making the same and useDEGUSSA·Filed 1981·Granted Apr 5, 1983·45 cites·13 claims
- 0273US4390532ATopical combinations of an α-estradiol with a methyl xanthineHAHN CARL DR GMBH·Filed 1978·Granted Jun 28, 1983·38 cites·12 claims
- 0370US4366138ACarbon black useful for pigment for black lacquersDEGUSSA·Filed 1981·Granted Dec 28, 1982·18 cites·4 claims
- 0453US4295908AMethod and apparatus for heat sealing a plurality of sets of continuous plastic strips together by radio frequency energyMANHATTAN R F DIE COMPANY·Filed 1979·Granted Oct 20, 1981·17 cites·27 claims
- 0550US4116811AMethod of separating active hydrogen compounds from heterogeneous mixtures also containing compounds which do not contain active hydrogensSCHAEFER HANS GEORG·Filed 1977·Granted Sep 26, 1978·7 cites·18 claims
- 0649US4594234AProcess and apparatus for the production of hydrogen cyanideDEGUSSA·Filed 1984·Granted Jun 10, 1986·5 cites·4 claims
- 0748US4853190AProcess & apparatus for the production of hydrogen cyanideDEGUSSA·Filed 1988·Granted Aug 1, 1989·7 cites·2 claims
- 0848US3960766ACatalyst for the production of pyridine and 3-methylpyridineDEGUSSA·Filed 1973·Granted Jun 1, 1976·9 cites·19 claims
- 0928US6524434B1Tubular device in a bagging machineBOSCH GMBH ROBERT·Filed 1998·Granted Feb 25, 2003·5 cites·8 claims
- 1027US4368075AIron blue pigment, process for making the same and useDEGUSSA·Filed 1981·Granted Jan 11, 1983·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →