HOLTER, HEINZ
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 29, 1993 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 265 Total Citation Count
- Mar 21, 1979 Earliest Filing
- 14 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5015451 Process, filter and device for making available high-quality breathing airExpiredJan 24, 89May 14, 91[C01B]
4882287 Process for indicating the presence of toxic substances in air that is supplied to a personnel-occupied spaceExpiredOct 05, 88Nov 21, 89[G01N]
4742763 Device for the detection of noxious substances in the air supplied to a compartment occupied by peopleExpiredDec 10, 86May 10, 88[B60H]
4670234 Process for stripping nitrogen oxides and sulphur oxides as well as optionally other noxious elements of flue gas from combustion plantsExpiredSep 24, 85Jun 02, 87[C01B]
4530817 Apparatus for the protection of air fed to a labor-protection or vehicle compartmentExpiredApr 18, 84Jul 23, 85[B01D]
4366132 Method of and apparatus for the chemisorptive scrubbing of waste gasesExpiredMar 05, 81Dec 28, 82[B01J, B01D]
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