Assignee
PERREN BENNO
CH·8 granted patents·161 citations·filing 1975–1987
Top patents by PatentIndex Score
8 records- 0181US4874243AApparatus for continuously measuring the turbidity of a fluidPERREN BENNO·Filed 1987·Granted Oct 17, 1989·52 cites·14 claims
- 0281US4125822AProbe for determining organic liquidsPERREN BENNO·Filed 1975·Granted Nov 14, 1978·31 cites·2 claims
- 0368US4197458AElectro-optical apparatus for the detection of the presence of liquidPERREN BENNO·Filed 1978·Granted Apr 8, 1980·19 cites·21 claims
- 0466US4201914AElectrical instrument to detect the presence of liquid and method of operating the samePERREN BENNO·Filed 1978·Granted May 6, 1980·18 cites·22 claims
- 0558US4359637AFeeler for a monitoring apparatusPERREN BENNO·Filed 1980·Granted Nov 16, 1982·20 cites·7 claims
- 0652US4322721ASelf-monitoring warning installationPERREN BENNO·Filed 1980·Granted Mar 30, 1982·9 cites·13 claims
- 0740US4197459AElectro-optical device for the detection of the presence of liquidPERREN BENNO·Filed 1978·Granted Apr 8, 1980·6 cites·6 claims
- 0839US4022687AMethod for the non-mechanical conveying of a collected quantity of liquid and apparatus for the performance of the methodPERREN BENNO·Filed 1975·Granted May 10, 1977·6 cites·5 claims
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