Assignee
HOELTER H
DE·19 granted patents·496 citations·filing 1974–1988
Top patents by PatentIndex Score
19 records- 0199US4100033AExtraction of charge gases from coke ovensHOELTER H·Filed 1977·Granted Jul 11, 1978·116 cites·14 claims
- 0291US4061476AGas purification method and apparatusHOELTER H·Filed 1976·Granted Dec 6, 1977·56 cites·33 claims
- 0390US4123502AProcess for the purification of gas generated in the pressure gasification of coalHOELTER H·Filed 1975·Granted Oct 31, 1978·34 cites·40 claims
- 0486US4733605AProcess and device for purifying polluted airHOELTER H·Filed 1984·Granted Mar 29, 1988·51 cites·19 claims
- 0581US4832936AProcess for making calcium sulfate dihydrate or gypsumHOELTER H·Filed 1987·Granted May 23, 1989·30 cites·8 claims
- 0677US4670234AProcess for stripping nitrogen oxides and sulphur oxides as well as optionally other noxious elements of flue gas from combustion plantsHOELTER H·Filed 1985·Granted Jun 2, 1987·39 cites·19 claims
- 0776US4742763ADevice for the detection of noxious substances in the air supplied to a compartment occupied by peopleHOELTER H·Filed 1986·Granted May 10, 1988·30 cites·18 claims
- 0872US4080428AProcess for the purification of flue and other waste gasHOELTER H·Filed 1975·Granted Mar 21, 1978·25 cites·26 claims
- 0971US4222993ARemoval of noxious contaminants from gasHOELTER H·Filed 1977·Granted Sep 16, 1980·24 cites·23 claims
- 1066US4255195ACompositions containing silicon dioxideHOELTER H·Filed 1979·Granted Mar 10, 1981·17 cites·9 claims
- 1158US5015451AProcess, filter and device for making available high-quality breathing airHOELTER H·Filed 1988·Granted May 14, 1991·16 cites·12 claims
- 1253US4802573AProcess for wet quenching of cokeHOELTER H·Filed 1987·Granted Feb 7, 1989·8 cites·3 claims
- 1350US4061479AApparatus for and method of separating droplets of a liquid from a gasHOELTER H·Filed 1976·Granted Dec 6, 1977·11 cites·7 claims
- 1449US4053366ACoke-oven plantsHOELTER H·Filed 1975·Granted Oct 11, 1977·5 cites·10 claims
- 1548US4131439ADevice for the dedusting of dust-containing gasesHOELTER H·Filed 1977·Granted Dec 26, 1978·10 cites·1 claims
- 1644US4882287AProcess for indicating the presence of toxic substances in air that is supplied to a personnel-occupied spaceHOELTER H·Filed 1988·Granted Nov 21, 1989·8 cites·5 claims
- 1740US4930407ASensing system for controlling air circulation valves in motor vehiclesHOELTER H·Filed 1987·Granted Jun 5, 1990·8 cites·19 claims
- 1836US4432776AProcess for filtering separators in dry chemisorptionHOELTER H·Filed 1982·Granted Feb 21, 1984·5 cites·2 claims
- 1933US4003722AProcess and arrangement for the removal of impurities from gasesHOELTER H·Filed 1974·Granted Jan 18, 1977·3 cites·14 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →