Assignee
WALTHER & CIE AG
11 granted patents·253 citations·filing 1974–1993
Top patents by PatentIndex Score
11 records- 0187US4039304AMethod of removing SO2 and/or other acid components from waste gasesWALTHER & CIE AG·Filed 1975·Granted Aug 2, 1977·61 cites·14 claims
- 0284US4522634AMethod and apparatus for automatic regulation of the operation of an electrostatic filterWALTHER & CIE AG·Filed 1984·Granted Jun 11, 1985·40 cites·15 claims
- 0379US4235675AProcess for purifying pyrolysis gasesWALTHER & CIE AG·Filed 1978·Granted Nov 25, 1980·21 cites·13 claims
- 0467US3958643ASprinkler system and method of operating the sameWALTHER & CIE AG·Filed 1974·Granted May 25, 1976·30 cites·6 claims
- 0556US4350224ARescue system on high rise buildings for evacuating persons in the case of fireWALTHER & CIE AG·Filed 1980·Granted Sep 21, 1982·25 cites·13 claims
- 0653US5387406AMethod and device for the adsorption and chemisorption, respectively, of gaseous components in a gas streamWALTHER & CIE AG·Filed 1993·Granted Feb 7, 1995·25 cites·29 claims
- 0749US4433752ARescue system on high-rise buildingsWALTHER & CIE AG·Filed 1981·Granted Feb 28, 1984·22 cites·5 claims
- 0840US4776864AElectrostatic precipitatorWALTHER & CIE AG·Filed 1987·Granted Oct 11, 1988·7 cites·14 claims
- 0936US4718575AApparatus for ascertaining the level of flowable material in dust separators and the likeWALTHER & CIE AG·Filed 1986·Granted Jan 12, 1988·6 cites·13 claims
- 1032US4854948ASupply circuit for electrostatic dust separatorWALTHER & CIE AG·Filed 1987·Granted Aug 8, 1989·10 cites·9 claims
- 1122US4226268AFunnelWALTHER & CIE AG·Filed 1978·Granted Oct 7, 1980·6 cites·12 claims
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