Assignee
ARO CORP
US62 patents
Top patents by PatentIndex Score
US5527160AJun 18, 1996
Mechanical shift, pneumatic assist pilot valve
ARO CORP56 citations95
US5391060AFeb 21, 1995
Air operated double diaphragm pump
ARO CORP59 citations95
US4936753AJun 26, 1990
Diaphragm pump with interchangeable valves and manifolds
ARO CORP63 citations95
US4040428AAug 9, 1977
Control valves for tracheotomy patient or laryngeal prosthesis
ARO CORP136 citations94
US4844177AJul 4, 1989
Torque sensing, automatic shut-off and reset clutch for toggle controlled screwdrivers, nutsetters and the like
ARO CORP68 citations93
US5108270AApr 28, 1992
Conductive plastic fluid handling equipment
ARO CORP33 citations92
US5113898AMay 19, 1992
Valve assembly for fluid pressure regulation
ARO CORP33 citations91
US4854832AAug 8, 1989
Mechanical shift, pneumatic assist pilot valve for diaphragm pump
ARO CORP97 citations91
US4205551AJun 3, 1980
Seal tester
ARO CORP37 citations91
US5334003AAug 2, 1994
Air valving mechanism, in combination with a double diaphragm pump subassembly
ARO CORP21 citations90
US5133387AJul 28, 1992
Fluid pulsation dampener having spiral grooved bellows
ARO CORP26 citations90
US5129427AJul 14, 1992
Pulsation damper for a pumped liquid system
ARO CORP40 citations90
US5060771AOct 29, 1991
Adjustable automatic shut-off mechanism for lever or trigger controlled air tool
ARO CORP27 citations90
US4981280AJan 1, 1991
Solenoid actuated fluid valve
ARO CORP33 citations90
US4385517AMay 31, 1983
Method and apparatus for measuring the permeability of a material
ARO CORP32 citations90
US4248267AFeb 3, 1981
Multiple element fluid logic controls
ARO CORP46 citations90
US4220361ASep 2, 1980
Connector for plastic tubing
ARO CORP33 citations90
US3952335AApr 27, 1976
Laryngeal prosthesis
ARO CORP48 citations90
US5495871AMar 5, 1996
Multiple valve manifold with plural power supplies
ARO CORP26 citations89
US5474105ADec 12, 1995
Overrun control device
ARO CORP36 citations89
US5156244AOct 20, 1992
Torque sensing automatic shut-off and reset clutch for screwdrivers, nutsetters and the like
ARO CORP53 citations89
US5054588AOct 8, 1991
Torque sensing automatic shut-off and reset clutch for screwdrivers, nutsetters and the like
ARO CORP46 citations89
US4830586AMay 16, 1989
Double acting diaphragm pump
ARO CORP110 citations89
US4747299AMay 31, 1988
Method of testing a package seal
ARO CORP40 citations88
US4306589ADec 22, 1981
Low power solenoid-operated air valve with magnetic latching
ARO CORP38 citations88
US4216630AAug 12, 1980
Grinder apparatus with pollution control fluid dispensing means
ARO CORP47 citations88
US4135602AJan 23, 1979
Selectively positioned muffler
ARO CORP35 citations88
US5107887AApr 28, 1992
High pressure fluid regulator
ARO CORP34 citations87
US4880064ANov 14, 1989
Torque sensing, automatic shut-off and reset clutch for screwdrivers, nutsetters and the like
ARO CORP43 citations87
US4269223AMay 26, 1981
Resettable pneumatic overrun control valve
ARO CORP39 citations87
US5052432AOct 1, 1991
Universal swivel body for a fluid handling hose connector
ARO CORP30 citations86
US4858939AAug 22, 1989
Bit retention and release mechanism
ARO CORP73 citations86
US4576270AMar 18, 1986
Torque control and fluid shutoff mechanism for a fluid operated tool
ARO CORP32 citations86
US4715215ADec 29, 1987
Method and apparatus for testing the fluid-tight sealed integrity of a hermetically-sealed package in a rapidly-stabilized environment
ARO CORP47 citations84
US5011341AApr 30, 1991
Two speed gear system for power tool
ARO CORP39 citations81
US4463889AAug 7, 1984
Special screw feed mechanism for screws, bolts, rivets, nails, etc.
ARO CORP29 citations80
US5213136AMay 25, 1993
Selection switch for fluid power motors
ARO CORP19 citations77
US4772186ASep 20, 1988
Automatic fluid torque responsive shut-off mechanism for an air tool
ARO CORP21 citations75
US4895494AJan 23, 1990
Interchangeable manifolds for diaphragm pumps
ARO CORP17 citations73
US5348046ASep 20, 1994
Spring check valve cartridge
ARO CORP8 citations72
US4330428AMay 18, 1982
Smoke generator
ARO CORP18 citations72
US4978283ADec 18, 1990
Primer valve for chop-check pump
ARO CORP9 citations71
US4128451ADec 5, 1978
Roller members for use in heat sealing apparatus
ARO CORP14 citations71
US4649957AMar 17, 1987
Fluid assisted spring return for pilot operated, spool valve
ARO CORP21 citations69
US4478070AOct 23, 1984
Vacuum package tester and method
ARO CORP10 citations69
US4103711AAug 1, 1978
Fluid logic flip-flop
ARO CORP17 citations69
US4351225ASep 28, 1982
Vibration attenuation construction for an impact air tool
ARO CORP8 citations68
US4209105AJun 24, 1980
Follower plate wiper
ARO CORP15 citations67
US3995654ADec 7, 1976
Universal body block for fabrication of fluid logic elements and fluid logic circuits
ARO CORP10 citations67
US3990468ANov 9, 1976
Universal insert for fabrication of fluid logic elements
ARO CORP10 citations67
Showing the top 50 of 62 patents by PatentIndex Score.