Assignee
LIBERTY TECH CENTER
US·12 granted patents·569 citations·filing 1987–1991
Top patents by PatentIndex Score
12 records- 0198US5140263ASystem for determining position of an internal, movable conductive elementLIBERTY TECH CENTER·Filed 1991·Granted Aug 18, 1992·62 cites·16 claims
- 0294US5008841ANon-invasive system and method for inspection of valvesLIBERTY TECH CENTER·Filed 1989·Granted Apr 16, 1991·83 cites·22 claims
- 0391US4805451ASystem for evaluating the condition and performance of a valve and valve operator combinationLIBERTY TECH CENTER·Filed 1987·Granted Feb 21, 1989·70 cites·27 claims
- 0489US4879901ASystem for evaluating the condition and performance of a valve and valve operator combinationLIBERTY TECH CENTER·Filed 1988·Granted Nov 14, 1989·52 cites·15 claims
- 0587US5086273AA.C. electromagnetic system for determining position of an encased movable electrically conductive elementLIBERTY TECH CENTER·Filed 1990·Granted Feb 4, 1992·56 cites·23 claims
- 0686US5029597AController for controlling the operation of a motor operated valve combinationLIBERTY TECH CENTER·Filed 1990·Granted Jul 9, 1991·73 cites·16 claims
- 0782US4911004ADevices and methods for determining axial loadsLIBERTY TECH CENTER·Filed 1988·Granted Mar 27, 1990·39 cites·16 claims
- 0872US5197338ASystem and method for determining torque output of motor actuated valve operatorsLIBERTY TECH CENTER·Filed 1991·Granted Mar 30, 1993·39 cites·17 claims
- 0962US4882937AStrain sensor for attachment to a structural memberLIBERTY TECH CENTER·Filed 1988·Granted Nov 28, 1989·55 cites·6 claims
- 1054US5020773AActuator assembly with permanently mounted monitoring systemLIBERTY TECH CENTER·Filed 1990·Granted Jun 4, 1991·18 cites·22 claims
- 1150US4879511AFlat, multiconductor cable coil device for in situ detecting of axial motion of a generally cylindrical memberLIBERTY TECH CENTER·Filed 1988·Granted Nov 7, 1989·11 cites·4 claims
- 1245US4898362AThrust actuated control for motor operated valveLIBERTY TECH CENTER·Filed 1989·Granted Feb 6, 1990·11 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →