Assignee
TOPWORKS INC
US·4 granted patents·44 citations·filing 1987–1991
Top patents by PatentIndex Score
4 records- 0163US4819543AElectric and pneumatic feedback controlled positionerTOPWORKS INC·Filed 1987·Granted Apr 11, 1989·26 cites·20 claims
- 0251US5179888ASplit clamp linear solenoid valve positionerTOPWORKS INC·Filed 1991·Granted Jan 19, 1993·12 cites·47 claims
- 0334US4784039AElectric and pneumatic valve positionerTOPWORKS INC·Filed 1987·Granted Nov 15, 1988·5 cites·24 claims
- 0427US5179887ACaptive cylinder linear solenoid valve positionerTOPWORKS INC·Filed 1991·Granted Jan 19, 1993·1 cites·31 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →