Assignee
FEDERAL IND IND GROUP INC
US·25 granted patents·826 citations·filing 1978–1999
Top patents by PatentIndex Score
25 records- 0193US4333028ADamped acoustic transducers with piezoelectric driversFEDERAL IND IND GROUP INC·Filed 1981·Granted Jun 1, 1982·87 cites·25 claims
- 0289US4992998AAcoustic range finding systemFEDERAL IND IND GROUP INC·Filed 1989·Granted Feb 12, 1991·80 cites·9 claims
- 0387US4157661AFlowmetersFEDERAL IND IND GROUP INC·Filed 1978·Granted Jun 12, 1979·103 cites·8 claims
- 0486US6051895AElectronic switch relayFEDERAL IND IND GROUP INC·Filed 1998·Granted Apr 18, 2000·51 cites·14 claims
- 0584US4890266AAcoustic range finding systemFEDERAL IND IND GROUP INC·Filed 1988·Granted Dec 26, 1989·56 cites·16 claims
- 0673US5591010ATime shift control of wastewater pumping systemFEDERAL IND IND GROUP INC·Filed 1995·Granted Jan 7, 1997·53 cites·7 claims
- 0773US5079751AAcoustic ranging systemsFEDERAL IND IND GROUP INC·Filed 1991·Granted Jan 7, 1992·55 cites·10 claims
- 0865US5519527AModem for communicating with enclosed electronic equipmentFEDERAL IND IND GROUP INC·Filed 1993·Granted May 21, 1996·49 cites·8 claims
- 0964US5416723ALoop powered process control transmitterFEDERAL IND IND GROUP INC·Filed 1993·Granted May 16, 1995·65 cites·4 claims
- 1062US5260910AHigh resolution acoustic pulse-echo ranging systemFEDERAL IND IND GROUP INC·Filed 1992·Granted Nov 9, 1993·25 cites·5 claims
- 1160US5267219AAcoustic range-finding systemFEDERAL IND IND GROUP INC·Filed 1992·Granted Nov 30, 1993·32 cites·6 claims
- 1256US6166998AMoulded transducerFEDERAL IND IND GROUP INC·Filed 1998·Granted Dec 26, 2000·20 cites·6 claims
- 1354US5339292AAcoustic transducerFEDERAL IND IND GROUP INC·Filed 1992·Granted Aug 16, 1994·18 cites·6 claims
- 1451US5347495AMatching transformer for ultrasonic transducerFEDERAL IND IND GROUP INC·Filed 1993·Granted Sep 13, 1994·17 cites·4 claims
- 1547US5943294ALevel detector for fluent materialFEDERAL IND IND GROUP INC·Filed 1998·Granted Aug 24, 1999·16 cites·3 claims
- 1646US6169706B1Echo detection in pulse-echo ranging systemsFEDERAL IND IND GROUP INC·Filed 1999·Granted Jan 2, 2001·26 cites·8 claims
- 1740US5578994ALiquid level switchFEDERAL IND IND GROUP INC·Filed 1994·Granted Nov 26, 1996·13 cites·4 claims
- 1840US5038067AAcoustic transducerFEDERAL IND IND GROUP INC·Filed 1990·Granted Aug 6, 1991·20 cites·9 claims
- 1939US6112254AMethod of detecting characteristics of liquids in pipes and pump controllingFEDERAL IND IND GROUP INC·Filed 1996·Granted Aug 29, 2000·8 cites·6 claims
- 2036US5218575AAcoustic transducerFEDERAL IND IND GROUP INC·Filed 1992·Granted Jun 8, 1993·8 cites·10 claims
- 2135US6203280B1Pump totalizer systemFEDERAL IND IND GROUP INC·Filed 1997·Granted Mar 20, 2001·9 cites·4 claims
- 2228USD344682SInstrument housingFEDERAL IND IND GROUP INC·Filed 1992·Granted Mar 1, 1994·0 cites·1 claims
- 2327US5748562ALevel detector for solidsFEDERAL IND IND GROUP INC·Filed 1997·Granted May 5, 1998·6 cites·3 claims
- 2419US5003489ATotalizer apparatus for flow rate measurement devicesFEDERAL IND IND GROUP INC·Filed 1989·Granted Mar 26, 1991·4 cites·10 claims
- 2518US6606279B1Submergence detection for electro acoustic transducersFEDERAL IND IND GROUP INC·Filed 1999·Granted Aug 12, 2003·5 cites·4 claims
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