Assignee
HOELTER HEINZ
DE·14 granted patents·491 citations·filing 1979–1992
Top patents by PatentIndex Score
14 records- 0197US4941824AMethod of and apparatus for cooling and cleaning the roof and environs of a coke ovenHOELTER HEINZ·Filed 1989·Granted Jul 17, 1990·101 cites·19 claims
- 0292US4289509ADust aspirating arrangementHOELTER HEINZ·Filed 1979·Granted Sep 15, 1981·43 cites·14 claims
- 0391US4530817AApparatus for the protection of air fed to a labor-protection or vehicle compartmentHOELTER HEINZ·Filed 1980·Granted Jul 23, 1985·66 cites·4 claims
- 0489US4451435AApparatus for cleaning air loaded with pollutantsHOELTER HEINZ·Filed 1981·Granted May 29, 1984·62 cites·15 claims
- 0588US4886000AMethod of treating wasteHOELTER HEINZ·Filed 1985·Granted Dec 12, 1989·41 cites·6 claims
- 0688US4551304AMethod of cleaning air loaded with pollutantsHOELTER HEINZ·Filed 1984·Granted Nov 5, 1985·56 cites·16 claims
- 0773US5066466AApparatus for indicating the presence of toxic substances in air that is supplied to a personnel-occupied spaceHOELTER HEINZ·Filed 1989·Granted Nov 19, 1991·28 cites·2 claims
- 0871US4875406ADevice for detecting different pollutants in gas streamsHOELTER HEINZ·Filed 1987·Granted Oct 24, 1989·26 cites·4 claims
- 0964US4366132AMethod of and apparatus for the chemisorptive scrubbing of waste gasesHOELTER HEINZ·Filed 1981·Granted Dec 28, 1982·25 cites·2 claims
- 1061US4388281ANoxious-component removal from flue gas and compositions useful thereforHOELTER HEINZ·Filed 1981·Granted Jun 14, 1983·16 cites·21 claims
- 1148US4335708ASolar collectorHOELTER HEINZ·Filed 1979·Granted Jun 22, 1982·14 cites·15 claims
- 1234US4744289ACab for occupancy by individualsHOELTER HEINZ·Filed 1986·Granted May 17, 1988·7 cites·4 claims
- 1333US5165600AVentilation system for the cab of a tractor used in a spraying systemHOELTER HEINZ·Filed 1991·Granted Nov 24, 1992·5 cites·5 claims
- 1430US5223325AFilter mediumHOELTER HEINZ·Filed 1992·Granted Jun 29, 1993·1 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →