Assignee
LEGRIS SA
FR60 patents
Top patents by PatentIndex Score
US6517124B1Feb 11, 2003
Device for connecting a pipe end to a member
LEGRIS SA110 citations98
US5911443AJun 15, 1999
Quick-coupling device for coupling a tube to a rigid element
LEGRIS SA111 citations98
US4309050AJan 5, 1982
Pipe fittings, and in particular for high pressure fluid pipes
LEGRIS SA132 citations96
US6511100B1Jan 28, 2003
Ball-bearing coupler
LEGRIS SA88 citations95
US5029908AJul 9, 1991
Clip for instant connection device for a fluid conduit and devices having such a clip
LEGRIS SA118 citations94
US4981310AJan 1, 1991
Device for fixing an element passing through a wall
LEGRIS SA93 citations94
USD428114SJul 11, 2000
Flow regulator
LEGRIS SA49 citations93
US5487572AJan 30, 1996
Quick-connection coupling
LEGRIS SA102 citations93
US5002254AMar 26, 1991
Automatic coupler for pressurized fluid circuit
LEGRIS SA70 citations93
US7448654B2Nov 11, 2008
Fluid transport circuit element
LEGRIS SA25 citations92
US7264281B2Sep 4, 2007
Connection means for high pressure fluid ducts
LEGRIS SA25 citations92
US6964436B2Nov 15, 2005
Coupler
LEGRIS SA30 citations92
US5941577AAug 24, 1999
Lockable quick connector
LEGRIS SA81 citations92
US5553901ASep 10, 1996
Device for connecting a length of duct to a coupling endpiece
LEGRIS SA84 citations92
US4810009AMar 7, 1989
Instantaneous connection device for plastic and metal material tubes
LEGRIS SA32 citations92
US4712809ADec 15, 1987
Method and device for assembling several components, particularly connection fittings for fluid couplings
LEGRIS SA46 citations92
US4399976AAug 23, 1983
Valves with lenticular or spherical closing member
LEGRIS SA28 citations92
US7316425B2Jan 8, 2008
Quick connector
LEGRIS SA39 citations91
US7063359B2Jun 20, 2006
Quick coupling device
LEGRIS SA32 citations91
US6679528B1Jan 20, 2004
Device for quick connection of a tube protected joint to a rigid element
LEGRIS SA30 citations91
US6517115B1Feb 11, 2003
Device for quick connection of a tube to a rigid element
LEGRIS SA36 citations91
US6767034B2Jul 27, 2004
Device for connecting an end piece to an element
LEGRIS SA24 citations90
US6568717B1May 27, 2003
Ball coupling
LEGRIS SA46 citations90
US6206435B1Mar 27, 2001
Quick coupling device for coupling a tube to a rigid endpiece
LEGRIS SA22 citations90
US5895078AApr 20, 1999
Quick coupling device for coupling a tube to a rigid endpiece
LEGRIS SA30 citations90
US5052433AOct 1, 1991
Starter connection for progressive pressurizing of pneumatic installations
LEGRIS SA23 citations89
US7273235B2Sep 25, 2007
Toothed washer for a tube coupler device, a method of making a toothed washer, and a coupler device of the quick coupling type
LEGRIS SA35 citations86
US6508493B1Jan 21, 2003
Means for connecting a pipe to a tubular body
LEGRIS SA20 citations86
US6145887ANov 14, 2000
Device for fast connection of a tube to a rigid element with anti-extraction ring and safety seal
LEGRIS SA77 citations86
US5988690ANov 23, 1999
Device for connecting tube to endpiece
LEGRIS SA30 citations86
US7011342B2Mar 14, 2006
Connecting device comprising means for instantaneous connection of a pipe end to a member and means for protecting the connection
LEGRIS SA53 citations85
US7845685B2Dec 7, 2010
Instant coupling device with locking and/or disconnection means
LEGRIS SA14 citations83
US7806444B2Oct 5, 2010
Element weldable by friction to a tube end, and a corresponding welding method
LEGRIS SA15 citations83
US7338086B2Mar 4, 2008
Connector with enhanced safety
LEGRIS SA10 citations83
US7273236B2Sep 25, 2007
Quick coupling
LEGRIS SA13 citations83
US6851721B2Feb 8, 2005
Fast coupler with connection indicator
LEGRIS SA17 citations83
US6520212B1Feb 18, 2003
Protective end cap for tube end
LEGRIS SA17 citations83
US7878554B2Feb 1, 2011
Non-aggressive anchor washer
LEGRIS SA13 citations81
US7762593B2Jul 27, 2010
Ball coupler
LEGRIS SA12 citations75
US4432385AFeb 21, 1984
Devices for regulating the flow and the pressure of gaseous fluids
LEGRIS SA16 citations74
US4745845AMay 24, 1988
Compressed air flow regulating devices
LEGRIS SA7 citations72
US4870792AOct 3, 1989
Passage of pressurized fluids through masonry work
LEGRIS SA7 citations71
US5435336AJul 25, 1995
Controlled valve
LEGRIS SA13 citations70
US5368339ANov 29, 1994
Network for distribution fluid under pressure, a branch clamp for use in the network, and a kit for making a branch connection
LEGRIS SA10 citations70
US5097747AMar 24, 1992
Pilot adjuster-connector for adjusting the speed of pneumatic pressure cylinders
LEGRIS SA15 citations70
USD572341SJul 1, 2008
Air blow gun
LEGRIS SA6 citations68
USD572340SJul 1, 2008
Air blow gun
LEGRIS SA4 citations68
USD572339SJul 1, 2008
Air blow gun
LEGRIS SA7 citations68
US6367507B1Apr 9, 2002
Fluid-flow module
LEGRIS SA9 citations67
US6832791B2Dec 21, 2004
Connection means for interconnecting two duct elements
LEGRIS SA10 citations65
Showing the top 50 of 60 patents by PatentIndex Score.