Assignee
PLESSEY INC
US27 patents
Top patents by PatentIndex Score
US4218683AAug 19, 1980
Range focus lens
PLESSEY INC59 citations95
US3943557AMar 9, 1976
Semiconductor package with integral hermeticity detector
PLESSEY INC57 citations95
US4858491AAug 22, 1989
Fail-free actuator assembly
PLESSEY INC75 citations94
US4023961AMay 17, 1977
Method of producing powdered materials
PLESSEY INC96 citations92
US4001586AJan 4, 1977
Thick film sensor and infrared detector
PLESSEY INC33 citations92
US4891994AJan 9, 1990
Linear electromechanical actuator
PLESSEY INC35 citations91
US4563908AJan 14, 1986
High speed, dual operated electromechanical actuator
PLESSEY INC37 citations91
US4289922ASep 15, 1981
Integrated circuit package and lead frame
PLESSEY INC228 citations90
US4538839ASep 3, 1985
Pipe joint coupling
PLESSEY INC34 citations89
US4334152AJun 8, 1982
Position indicating systems
PLESSEY INC23 citations81
US4155574AMay 22, 1979
Simplified pipe coupling
PLESSEY INC47 citations81
US4137546AJan 30, 1979
Stamped lead frame for semiconductor packages
PLESSEY INC26 citations75
US3961301AJun 1, 1976
Humidity sensor
PLESSEY INC11 citations73
US4823063AApr 18, 1989
Authority limiter
PLESSEY INC8 citations72
US4311730AJan 19, 1982
Thick film circuits
PLESSEY INC6 citations72
US4580710AApr 8, 1986
Stock feeder with hydraulic shock absorber
PLESSEY INC18 citations71
US4513899AApr 30, 1985
Stock feeder with adjustable width feed path
PLESSEY INC19 citations71
US4050048ASep 20, 1977
Humidity sensor, material therefor and method
PLESSEY INC15 citations71
US4036634AJul 19, 1977
Oxidation and sinter-resistant metal powders
PLESSEY INC13 citations71
US4016308AApr 5, 1977
Humidity sensor, material therefor and method
PLESSEY INC10 citations71
US4010025AMar 1, 1977
Oxidation and sinter-resistant metal powders and pastes
PLESSEY INC11 citations71
US3966463AJun 29, 1976
Oxidation and sinter-resistant metal powders and pastes
PLESSEY INC18 citations71
US4205548AJun 3, 1980
Stamping tools
PLESSEY INC14 citations62
US4683407AJul 28, 1987
Authority limiter
PLESSEY INC4 citations61
US4493447AJan 15, 1985
High speed article feeding apparatus
PLESSEY INC4 citations60
US4067549AJan 10, 1978
Ceramic rapper rod assembly
PLESSEY INC13 citations59
US4059212ANov 22, 1977
Stock feeder for punched stock
PLESSEY INC13 citations59