Assignee
PENBERTHY INC
US·6 granted patents·181 citations·filing 1993–1999
Top patents by PatentIndex Score
6 records- 0191US5461321AApparatus and method for measuring capacitance from the duration of a charge-discharge charge cyclePENBERTHY INC·Filed 1993·Granted Oct 24, 1995·91 cites·20 claims
- 0271US5481197AHigh pressure, leak resistant explosionproof capacitance probePENBERTHY INC·Filed 1993·Granted Jan 2, 1996·40 cites·19 claims
- 0369US5554937AApparatus and method for sensing material level by capacitance measurementPENBERTHY INC·Filed 1995·Granted Sep 10, 1996·31 cites·17 claims
- 0437US5465041ABipolar tracking current source/sink with ground clampPENBERTHY INC·Filed 1993·Granted Nov 7, 1995·8 cites·15 claims
- 0535US5895058ALaminated gasketPENBERTHY INC·Filed 1996·Granted Apr 20, 1999·7 cites·9 claims
- 0632US6390016B1Sight flow indicatorPENBERTHY INC·Filed 1999·Granted May 21, 2002·4 cites·17 claims
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