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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →