Kenneth Lennartsson

Person

Torekov, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Coupling ring for ventilation ducts, and method of connecting venti...
- Patent number 6,758,502
- Issue date Jul 6, 2004
- Lindab AB
- Lars-Åke Mattsson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Coupling ring for ventilation ducts
- Patent number D475781
- Issue date Jun 10, 2003
- Lindab AB
- Lars-Åke Mattsson
- D23 - Environmental heating and cooling
Information Patent Grant
Helically wound lock seam tube
- Patent number 6,561,228
- Issue date May 13, 2003
- Protol A.G.
- Kenneth Lennartsson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Helically wound lock-seam tube
- Patent number 6,513,553
- Issue date Feb 4, 2003
- Protol A.G.
- Kenneth Lennartsson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Coupling ring for ventilation ducts
- Patent number D461887
- Issue date Aug 20, 2002
- Lindab AB
- Lars-Åke Mattsson
- D23 - Environmental heating and cooling
Information Patent Grant
Coupling ring for ventilation ducts
- Patent number D456072
- Issue date Apr 23, 2002
- Lindab AB
- Lars-Åke Mattsson
- D23 - Environmental heating and cooling
Information Patent Grant
Coupling ring for ventilation ducts
- Patent number D456071
- Issue date Apr 23, 2002
- Lindab AB
- Lars-Åke Mattsson
- D23 - Environmental heating and cooling
Information Patent Grant
Coupling ring for ventilation ducts
- Patent number D454949
- Issue date Mar 26, 2002
- Lindab AB
- Lars-Åke Mattsson
- D23 - Environmental heating and cooling
Information Patent Grant
Coupling ring for ventilation ducts
- Patent number D453042
- Issue date Jan 22, 2002
- Lindab AB
- Lars-Åke Mattsson
- D23 - Environmental heating and cooling
Information Patent Grant
Sealing rings for ventilation ducts
- Patent number D447223
- Issue date Aug 28, 2001
- Lindab AB
- Lars-Ake Mattsson
- D23 - Environmental heating and cooling
Information Patent Grant
Tubular element with sealing means and a method for manufacturing t...
- Patent number 6,170,883
- Issue date Jan 9, 2001
- Lindab AB
- Lars-Åke Mattssön
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Helically wound lock-seam tube
- Patent number 6,085,801
- Issue date Jul 11, 2000
- Protol A.G.
- Kenneth Lennartsson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for producing helically wound lock-seam tubing
- Patent number 6,003,220
- Issue date Dec 21, 1999
- Protol A.G.
- Kenneth Lennartsson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for producing helically wound lock-seam tubing
- Patent number 5,720,095
- Issue date Feb 24, 1998
- Protol A.G.
- Kenneth Lennartsson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Circular sleeve coupling
- Patent number D386246
- Issue date Nov 11, 1997
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Circular sleeve coupling
- Patent number D383195
- Issue date Sep 2, 1997
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Circular sleeve coupling
- Patent number D383196
- Issue date Sep 2, 1997
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Self-drilling blind rivet and method for making a pressure tight ri...
- Patent number 5,618,142
- Issue date Apr 8, 1997
- Lindab AB
- Carl-Gustaf Sonden
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
U-shaped sealing device on a pipe
- Patent number 5,531,460
- Issue date Jul 2, 1996
- Lindab Aktiebolag
- Lars Stefansson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method for producing a connector for fluid pipe elements
- Patent number 5,473,815
- Issue date Dec 12, 1995
- Lindab AB
- Carl-Gustaf Sonden
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Component part of a T-piece
- Patent number D363115
- Issue date Oct 10, 1995
- Lindab AB
- Kenneth Lennartsson
- D23 - Environmental heating and cooling
Information Patent Grant
Circular sleeve coupling
- Patent number D362299
- Issue date Sep 12, 1995
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Circular sleeve coupling
- Patent number D362300
- Issue date Sep 12, 1995
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Circular sleeve coupling
- Patent number D361829
- Issue date Aug 29, 1995
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Circular sleeve coupling
- Patent number D360019
- Issue date Jul 4, 1995
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Circular sleeve coupling
- Patent number D360020
- Issue date Jul 4, 1995
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Circular sleeve coupling
- Patent number D360018
- Issue date Jul 4, 1995
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Circular sleeve coupling
- Patent number D360021
- Issue date Jul 4, 1995
- Lindab AB
- Carl-Gustaf Sonden
- D23 - Environmental heating and cooling
Information Patent Grant
Kit and method for producing a connector for fluid pipe elements
- Patent number 5,405,174
- Issue date Apr 11, 1995
- Lindab AB
- Carl-Gustaf Sonden
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Coupling ring for ventilation ducts, and method of connecting venti...
- Publication number 20030160452
- Publication date Aug 28, 2003
- LINDAB AB
- Lars-Ake Mattsson
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Locking of helically wound tube seam
- Publication number 20010013375
- Publication date Aug 16, 2001
- Kenneth Lennartsson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Kenneth Lennartsson

Person

Patents Grantslast 30 patents

Coupling ring for ventilation ducts, and method of connecting venti...

Coupling ring for ventilation ducts

Helically wound lock seam tube

Helically wound lock-seam tube

Coupling ring for ventilation ducts

Coupling ring for ventilation ducts

Coupling ring for ventilation ducts

Coupling ring for ventilation ducts

Coupling ring for ventilation ducts

Sealing rings for ventilation ducts

Tubular element with sealing means and a method for manufacturing t...

Helically wound lock-seam tube

Method and apparatus for producing helically wound lock-seam tubing

Method and apparatus for producing helically wound lock-seam tubing

Circular sleeve coupling

Circular sleeve coupling

Circular sleeve coupling

Self-drilling blind rivet and method for making a pressure tight ri...

U-shaped sealing device on a pipe

Method for producing a connector for fluid pipe elements

Component part of a T-piece

Circular sleeve coupling

Circular sleeve coupling

Circular sleeve coupling

Circular sleeve coupling

Circular sleeve coupling

Circular sleeve coupling

Circular sleeve coupling

Kit and method for producing a connector for fluid pipe elements

Patents Applicationslast 30 patents

Coupling ring for ventilation ducts, and method of connecting venti...

Locking of helically wound tube seam