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LINDAB AB
SE49 patents
Top patents by PatentIndex Score
US5618142AApr 8, 1997
Self-drilling blind rivet and method for making a pressure tight riveted joint by means of the same
LINDAB AB118 citations98
USD386246SNov 11, 1997
Circular sleeve coupling
LINDAB AB73 citations96
USD383195SSep 2, 1997
Circular sleeve coupling
LINDAB AB66 citations96
USD367316SFeb 20, 1996
Circular sleeve coupling
LINDAB AB44 citations96
USD363115SOct 10, 1995
Component part of a T-piece
LINDAB AB49 citations96
USD360019SJul 4, 1995
Circular sleeve coupling
LINDAB AB57 citations96
USD360018SJul 4, 1995
Circular sleeve coupling
LINDAB AB43 citations96
USD360020SJul 4, 1995
Circular sleeve coupling
LINDAB AB45 citations96
USD456071SApr 23, 2002
Coupling ring for ventilation ducts
LINDAB AB50 citations95
US6170883B1Jan 9, 2001
Tubular element with sealing means and a method for manufacturing the tubular element
LINDAB AB67 citations94
US6431609B1Aug 13, 2002
Pipe connection for ventilating duct system
LINDAB AB56 citations93
US6758502B2Jul 6, 2004
Coupling ring for ventilation ducts, and method of connecting ventilation ducts
LINDAB AB25 citations92
USD475781SJun 10, 2003
Coupling ring for ventilation ducts
LINDAB AB27 citations92
USD461887SAug 20, 2002
Coupling ring for ventilation ducts
LINDAB AB34 citations92
USD456072SApr 23, 2002
Coupling ring for ventilation ducts
LINDAB AB39 citations92
USD454949SMar 26, 2002
Coupling ring for ventilation ducts
LINDAB AB36 citations92
USD447223SAug 28, 2001
Sealing rings for ventilation ducts
LINDAB AB57 citations92
USD383196SSep 2, 1997
Circular sleeve coupling
LINDAB AB44 citations92
US5473815ADec 12, 1995
Method for producing a connector for fluid pipe elements
LINDAB AB48 citations92
USD362300SSep 12, 1995
Circular sleeve coupling
LINDAB AB36 citations92
USD362299SSep 12, 1995
Circular sleeve coupling
LINDAB AB40 citations92
USD361829SAug 29, 1995
Circular sleeve coupling
LINDAB AB37 citations92
USD360021SJul 4, 1995
Circular sleeve coupling
LINDAB AB46 citations92
US5405174AApr 11, 1995
Kit and method for producing a connector for fluid pipe elements
LINDAB AB38 citations92
US6062270AMay 16, 2000
Double-walled structure in a ventilation duct system
LINDAB AB50 citations89
US5531460AJul 2, 1996
U-shaped sealing device on a pipe
LINDAB AB49 citations89
USD513072SDec 20, 2005
Part in a ventilation system
LINDAB AB50 citations88
US6062610AMay 16, 2000
Device for the coupling together of pipes
LINDAB AB31 citations88
US6030005AFeb 29, 2000
Method and device for coupling pipes
LINDAB AB23 citations88
US6543575B1Apr 8, 2003
Double-walled structure and connection arrangement
LINDAB AB21 citations85
USD453042SJan 22, 2002
Coupling ring for ventilation ducts
LINDAB AB16 citations83
US5407122AApr 18, 1995
Method and device for fastening a sealing ring on a pipe
LINDAB AB34 citations83
US5881442AMar 16, 1999
Apparatus for making a double-walled structure
LINDAB AB13 citations78
US5801342ASep 1, 1998
Double-walled structure and method and arrangement for producing the same
LINDAB AB13 citations78
US6295853B1Oct 2, 2001
Spirally formed pipe cutter with driving mechanism to actively rotate inner knife
LINDAB AB11 citations73
US6192726B1Feb 27, 2001
System and method for corrugating spiral formed pipe
LINDAB AB9 citations73
US5992275ANov 30, 1999
Pipe cutter having non-rotating, overlapping knives
LINDAB AB8 citations73
US5860305AJan 19, 1999
Pipe cutter with dual outer cutting knives and method
LINDAB AB12 citations73
US5636541AJun 10, 1997
Apparatus for forming and cutting spiral pipe
LINDAB AB10 citations73
US5911457AJun 15, 1999
Method for producing a double-walled structure
LINDAB AB5 citations70
US9927271B2Mar 27, 2018
System for identifying a sensor and measuring flow in a flow duct
LINDAB AB3 citations68
US6073977AJun 13, 2000
Device for coupling pipe sections
LINDAB AB13 citations68
US5606884AMar 4, 1997
Method and apparatus for producing helically-wound lock-seam tubing with reduced lubrication
LINDAB AB9 citations64
US6655182B2Dec 2, 2003
Apparatus and method for reshaping tubes
LINDAB AB6 citations62
US6453710B1Sep 24, 2002
Method and apparatus for manufacturing a helically-wound lock-seam tube having air nozzles
LINDAB AB6 citations59
US6466834B1Oct 15, 2002
Method and apparatus for conversion of ventilation systems represented in computer-readable form
LINDAB AB2 citations56
US10443887B2Oct 15, 2019
Ventilation device with varying air velocity
LINDAB AB1 citations47
USD609254SFeb 2, 2010
Cutter
LINDAB AB1 citations39
US10663191B2May 26, 2020
Damper for ventilation systems
LINDAB AB0 citations23