Assignee
DOVER CORP
US158 patents
Top patents by PatentIndex Score
US5604681AFeb 18, 1997
Coupler identification systems
DOVER CORP111 citations96
US5174345ADec 29, 1992
Drop tubes and overfill valves therefor
DOVER CORP68 citations95
US5114271AMay 19, 1992
Spill containment devices
DOVER CORP56 citations95
US4465209AAug 14, 1984
Information center for gasoline dispensing nozzle
DOVER CORP55 citations95
US4453578AJun 12, 1984
Automatic shut-off dispensing nozzle responsive to liquid in a tank reaching a predetermined level and to a supply pressure
DOVER CORP63 citations95
US5349994ASep 27, 1994
Control system for filling tanks with liquids
DOVER CORP45 citations94
US5121777AJun 16, 1992
Vapor recovery nozzles and sub-assemblies therefor
DOVER CORP60 citations94
US5099870AMar 31, 1992
Emergency shut-off valves
DOVER CORP71 citations94
US4804206AFeb 14, 1989
Swivel construction and method of making the same
DOVER CORP79 citations94
US4270824AJun 2, 1981
Electrical clamp
DOVER CORP54 citations94
US5273071ADec 28, 1993
Dry disconnect couplings
DOVER CORP63 citations93
US6024140AFeb 15, 2000
Dispensing nozzles for petroleum products
DOVER CORP25 citations92
US6015168AJan 18, 2000
Pivotal lock for coupling cam arms
DOVER CORP48 citations92
US5765609AJun 16, 1998
Spout constructions for fuel dispensing nozzles and methods for making same
DOVER CORP28 citations92
US5695221ADec 9, 1997
Fuel hose breakaway units
DOVER CORP46 citations92
US5605182AFeb 25, 1997
Vehicle identification system for a fuel dispenser
DOVER CORP234 citations92
US5141020AAug 25, 1992
Emergency vent valves for storage tanks
DOVER CORP27 citations92
US5127428AJul 7, 1992
Poppet valve assembly and method of making same
DOVER CORP23 citations92
US5005876AApr 9, 1991
Quick connect-disconnect couplings
DOVER CORP48 citations92
US4659251AApr 21, 1987
Liquid spill container and method of making and installing same
DOVER CORP109 citations92
US4649969AMar 17, 1987
Liquid dispensing nozzle having a sealing arrangement for vapor return means
DOVER CORP32 citations92
US4618171AOct 21, 1986
Quick connect-disconnect coupling
DOVER CORP32 citations92
US4598742AJul 8, 1986
Method and apparatus for monitoring liquid stock in a storage tank
DOVER CORP51 citations92
US4554432ANov 19, 1985
Components for gas metal arc welding gun
DOVER CORP66 citations92
US4519635AMay 28, 1985
Quick connect-disconnect coupling
DOVER CORP49 citations92
US4497350AFeb 5, 1985
Vapor recovery system having automatic shut-off mechanism
DOVER CORP38 citations92
US4208033AJun 17, 1980
Locking device for a ball valve
DOVER CORP40 citations92
US5813443ASep 29, 1998
Vapor recovery fuel nozzles
DOVER CORP20 citations91
US5671777ASep 30, 1997
Couplings for joining fluid conduits
DOVER CORP48 citations91
US5666878ASep 16, 1997
Waste disposal system which includes a vessel with an outer cooling jacket
DOVER CORP47 citations91
US5645115AJul 8, 1997
Dispensing nozzles
DOVER CORP30 citations91
US5620031AApr 15, 1997
Vapor recovery fuel nozzles
DOVER CORP23 citations91
US5564471AOct 15, 1996
Fuel hose breakaway unit
DOVER CORP87 citations91
US5515890AMay 14, 1996
Control system for filling tanks with liquids
DOVER CORP27 citations91
US5460210AOct 24, 1995
Control system for filling tanks with liquids
DOVER CORP33 citations91
US5454394AOct 3, 1995
Emergency shut-off valves
DOVER CORP23 citations91
US5193569AMar 16, 1993
Emergency shut-off valves
DOVER CORP29 citations91
US5135029AAug 4, 1992
Fuel hose breakaway unit
DOVER CORP26 citations91
US4825914AMay 2, 1989
Fluid dispensing nozzle construction having vapor check valve means therein and methods of making the same
DOVER CORP30 citations91
US4696484ASep 29, 1987
Dolly for towing vehicles
DOVER CORP37 citations91
US4575130AMar 11, 1986
Coupling apparatus
DOVER CORP38 citations91
US5655576AAug 12, 1997
Vapor recovery nozzles and sub-assemblies therefor
DOVER CORP23 citations90
US5535984AJul 16, 1996
Safety coupler locking means
DOVER CORP41 citations90
US4634337AJan 6, 1987
Integrated wheel lift wrecker
DOVER CORP44 citations90
US4327765AMay 4, 1982
Butterfly valve having leak detecting means
DOVER CORP34 citations90
US4297209AOct 27, 1981
High solids filter
DOVER CORP72 citations90
US4079969AMar 21, 1978
Swivel connector
DOVER CORP32 citations90
US4059518ANov 22, 1977
Filter with axially shiftable rotating backwash selector
DOVER CORP36 citations90
US3948358AApr 6, 1976
Elevator rail mounting bracket
DOVER CORP49 citations90
US5664951ASep 9, 1997
Inlet conduit adaptor for underground storage tank
DOVER CORP22 citations89
Showing the top 50 of 158 patents by PatentIndex Score.