Assignee
VAPOR CORP
US92 patents
Top patents by PatentIndex Score
US9687025B2Jun 27, 2017
Electronic pipe
VAPOR CORP50 citations95
US5775232AJul 7, 1998
Bridge plate for a mass transit vehicle
VAPOR CORP79 citations94
US4275664AJun 30, 1981
Step-platform operation
VAPOR CORP65 citations93
US4704870ANov 10, 1987
Thermoelectric cooler
VAPOR CORP43 citations92
US4627242ADec 9, 1986
Thermoelectric cooler
VAPOR CORP31 citations92
US4402341ASep 6, 1983
Pilot operated relief valve
VAPOR CORP38 citations92
US4241403ADec 23, 1980
Method for automated analysis of vehicle performance
VAPOR CORP68 citations92
US4160626AJul 10, 1979
Drive rod coupling for positive displacement pump
VAPOR CORP34 citations92
US4901474AFeb 20, 1990
Pneumatic door operator having novel pneumatic actuator and lock
VAPOR CORP73 citations91
US4583466AApr 22, 1986
Step lift for railway cars
VAPOR CORP71 citations91
US4236215ANov 25, 1980
Vehicular data handling and control system
VAPOR CORP54 citations91
US4180366ADec 25, 1979
Lift assembly for transit vehicles
VAPOR CORP74 citations91
US4552335ANov 12, 1985
Ball valve
VAPOR CORP39 citations89
US4882876ANov 28, 1989
Door operator with locking mechanism
VAPOR CORP48 citations88
US4006603AFeb 8, 1977
Air conditioning system for a railway vehicle
VAPOR CORP44 citations88
US4616528AOct 14, 1986
Valve actuator with continuous manual override
VAPOR CORP48 citations87
US4273307AJun 16, 1981
Clutch for valve actuator
VAPOR CORP29 citations87
US4114465ASep 19, 1978
Modulating failsafe valve actuator using differential gearing
VAPOR CORP39 citations86
US4113063ASep 12, 1978
Mechanical stored energy positioning actuator
VAPOR CORP39 citations86
US4133365AJan 9, 1979
Obstruction sensing edge for a bifolding door
VAPOR CORP49 citations85
US4087939AMay 9, 1978
Door operator with locking mechanism
VAPOR CORP52 citations85
US4043143AAug 23, 1977
Locomotive environmental system
VAPOR CORP61 citations85
US3979790ASep 14, 1976
Totally enclosed door check
VAPOR CORP59 citations85
US4062273ADec 13, 1977
Ventilation system for a passenger vehicle
VAPOR CORP38 citations84
US4143642AMar 13, 1979
High temperature thermal storage system utilizing solar energy units
VAPOR CORP49 citations82
US4098093AJul 4, 1978
Unitary cab air cooling system for large off road vehicles
VAPOR CORP47 citations82
US9538788B2Jan 10, 2017
Electronic cigarette
VAPOR CORP11 citations81
US4621592ANov 11, 1986
Boiler having improved heat absorption
VAPOR CORP24 citations81
US4615356AOct 7, 1986
Modulating pressure operated pilot relief valve
VAPOR CORP22 citations81
US4390041AJun 28, 1983
Pilot operated relief valve
VAPOR CORP22 citations81
US4355657AOct 26, 1982
Pilot operated relief valve
VAPOR CORP20 citations81
US4161308AJul 17, 1979
Switching valve assembly for fluid motor-driven injector pump
VAPOR CORP29 citations81
USD244681SJun 14, 1977
Fluid pump or similar article
VAPOR CORP17 citations81
US4249885AFeb 10, 1981
Heavy fuel oil nozzle
VAPOR CORP24 citations80
US3938092AFeb 10, 1976
System for telecommunicating vehicle operation data between a ground station and a remote data processing station
VAPOR CORP21 citations78
US4024444AMay 17, 1977
Drive circuit for induction motor used in air conditioning system of a railway vehicle
VAPOR CORP25 citations77
US4450854AMay 29, 1984
Lubricated split plug valve
VAPOR CORP22 citations75
US4316598AFeb 23, 1982
Balanced relief valve with novel seal
VAPOR CORP24 citations75
US4206902AJun 10, 1980
Inner element for a flow regulator
VAPOR CORP20 citations75
US4134231AJan 16, 1979
Modulated output force door operator
VAPOR CORP27 citations74
US4071282AJan 31, 1978
Slip-slide detector system for railway car wheels
VAPOR CORP28 citations74
US4722361AFeb 2, 1988
Modulating pressure operated pilot relief valve
VAPOR CORP9 citations73
US4491917AJan 1, 1985
Door control systems
VAPOR CORP21 citations73
US4410005AOct 18, 1983
Pilot operated relief valve
VAPOR CORP17 citations73
US4303003ADec 1, 1981
Switching valve
VAPOR CORP9 citations73
US4220074ASep 2, 1980
Switching valve
VAPOR CORP13 citations73
US4116062ASep 26, 1978
Removable tank gauge float
VAPOR CORP13 citations73
US4091837AMay 30, 1978
Freezeproof breather valve
VAPOR CORP30 citations73
US4088938AMay 9, 1978
Electronic apparatus for positioning and using AC motors
VAPOR CORP9 citations73
US4515179AMay 7, 1985
Pressure relief valve with adjustment for set pressure
VAPOR CORP19 citations72
Showing the top 50 of 92 patents by PatentIndex Score.