Inventor
LENNARTSSON KENNETH
SE32 patents
⚠️ This page may combine multiple inventors who share the name “LENNARTSSON KENNETH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LINDAB AB
25 patentsUS5618142AApr 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
USD360020SJul 4, 1995
Circular sleeve coupling
LINDAB AB45 citations96
USD360019SJul 4, 1995
Circular sleeve coupling
LINDAB AB57 citations96
USD360018SJul 4, 1995
Circular sleeve coupling
LINDAB AB43 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
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
USD362299SSep 12, 1995
Circular sleeve coupling
LINDAB AB40 citations92
USD362300SSep 12, 1995
Circular sleeve coupling
LINDAB AB36 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
US5531460AJul 2, 1996
U-shaped sealing device on a pipe
LINDAB AB49 citations89
USD453042SJan 22, 2002
Coupling ring for ventilation ducts
LINDAB AB16 citations83
PROTOL AG
7 patentsUS5720095AFeb 24, 1998
Method and apparatus for producing helically wound lock-seam tubing
PROTOL AG24 citations92
US6561228B1May 13, 2003
Helically wound lock seam tube
PROTOL AG12 citations82
US6513553B2Feb 4, 2003
Helically wound lock-seam tube
PROTOL AG6 citations73
US6085801AJul 11, 2000
Helically wound lock-seam tube
PROTOL AG10 citations73
US6003220ADec 21, 1999
Method and apparatus for producing helically wound lock-seam tubing
PROTOL AG8 citations73
USD376193SDec 3, 1996
Helically wound lock-seam tube
PROTOL AG9 citations73
USD379358SMay 20, 1997
Clinching roller
PROTOL AG2 citations62