Assignee
FRUENGEL FRANK
CH·6 granted patents·120 citations·filing 1979–1985
Top patents by PatentIndex Score
6 records- 0188US4259592ACeilometric method and apparatusFRUENGEL FRANK·Filed 1979·Granted Mar 31, 1981·56 cites·25 claims
- 0268US4722599ADevice for measuring cloud heightFRUENGEL FRANK·Filed 1985·Granted Feb 2, 1988·35 cites·11 claims
- 0354US4432645AForward-scatter visibility meterFRUENGEL FRANK·Filed 1980·Granted Feb 21, 1984·16 cites·15 claims
- 0448US4451128AMethod of and a device for adjusting a high-speed photographic arrangementFRUENGEL FRANK·Filed 1982·Granted May 29, 1984·4 cites·10 claims
- 0538US4288158ALaser ceilometer with safety power-reduction featureFRUENGEL FRANK·Filed 1979·Granted Sep 8, 1981·8 cites·14 claims
- 0627US4515477AVisibility meter and components used thereinFRUENGEL FRANK·Filed 1983·Granted May 7, 1985·1 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →