Assignee
LIBERTY TECHNOLOGIES INC
US·18 granted patents·525 citations·filing 1992–1998
Top patents by PatentIndex Score
18 records- 0192US5519300AMethod and apparatus for analysis of polyphase electrical motor systemsLIBERTY TECHNOLOGIES INC·Filed 1993·Granted May 21, 1996·102 cites·25 claims
- 0291US5712486AFlexible cassette for holding storage phosphor screenLIBERTY TECHNOLOGIES INC·Filed 1996·Granted Jan 27, 1998·50 cites·63 claims
- 0386US5523682AMethod for determining position of an internal, movable conductive elementLIBERTY TECHNOLOGIES INC·Filed 1992·Granted Jun 4, 1996·45 cites·32 claims
- 0486US5521482AMethod and apparatus for determining mechanical performance of polyphase electrical motor systemsLIBERTY TECHNOLOGIES INC·Filed 1994·Granted May 28, 1996·99 cites·18 claims
- 0580US5772916APhosphor screen, method of producing the same, and method for preparing a phosphor powder for producing a phosphor screenLIBERTY TECHNOLOGIES INC·Filed 1996·Granted Jun 30, 1998·43 cites·30 claims
- 0680US5396167AMethod for remotely determining operability of motor operated valvesLIBERTY TECHNOLOGIES INC·Filed 1993·Granted Mar 7, 1995·31 cites·5 claims
- 0771US5475299AMethod for remotely determining operability of motor operated valvesLIBERTY TECHNOLOGIES INC·Filed 1994·Granted Dec 12, 1995·23 cites·5 claims
- 0869US5546817AStem torque sensorLIBERTY TECHNOLOGIES INC·Filed 1993·Granted Aug 20, 1996·29 cites·9 claims
- 0948US5452616ASystem for determining shaft load parameters including shaft windup angle per unit length, torque output and power output in a generally cylindrical rotating shaftLIBERTY TECHNOLOGIES INC·Filed 1994·Granted Sep 26, 1995·12 cites·1 claims
- 1046US5430368AMethod for remotely approximating the stem thrust of motor operated valvesLIBERTY TECHNOLOGIES INC·Filed 1993·Granted Jul 4, 1995·9 cites·2 claims
- 1145US5955679ADevice for measuring strain parameters of a generally cylindrical member of virtually any sizeLIBERTY TECHNOLOGIES INC·Filed 1998·Granted Sep 21, 1999·11 cites·16 claims
- 1244US5517585ASystem and method for stable analysis of sampled transients arbitrarily aligned with their sample pointsLIBERTY TECHNOLOGIES INC·Filed 1993·Granted May 14, 1996·15 cites·28 claims
- 1342US5923527ASafe electrical interconnection box and methods of safe electrical interconnectionLIBERTY TECHNOLOGIES INC·Filed 1996·Granted Jul 13, 1999·10 cites·15 claims
- 1442US5799114ASystem and method for stable analysis of sampled transients arbitrarily aligned with their sample pointsLIBERTY TECHNOLOGIES INC·Filed 1996·Granted Aug 25, 1998·14 cites·31 claims
- 1542US5432436AMethod for remotely approximating the stem thurst of motor operated valvesLIBERTY TECHNOLOGIES INC·Filed 1994·Granted Jul 11, 1995·14 cites·7 claims
- 1639US6110398APhosphor powderLIBERTY TECHNOLOGIES INC·Filed 1998·Granted Aug 29, 2000·5 cites·10 claims
- 1737US5440938ASystem for determining shaft load parameters including shaft windup angle per unit length, torque output and power output in a generally cylindrical rotating shaftLIBERTY TECHNOLOGIES INC·Filed 1993·Granted Aug 15, 1995·7 cites·28 claims
- 1836US5651284AStrain gage method for measuring thrust and torque on valve stems that does not require calibrations against a known thrust and torqueLIBERTY TECHNOLOGIES INC·Filed 1995·Granted Jul 29, 1997·6 cites·26 claims
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