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For the Inventor, By the Inventor

Bastad, Sweden

Lindab Ab


USPTO Granted Patents = 48

% Expired Patents = 8.3


Trademarks = 1

Forward Citations = 1,227

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32 inventors (with patents filed for the assignee):

goldMedal Kenneth Lennartsson (24 out of 32 patents)

silverMedal Carl-Gustaf Sonden (14 out of 14 patents)

bronzeMedal Lars-Åke Mattsson (8 out of 8 patents)

4.  Carl-Gustaf Sondén (7 out of 7 patents)

5.  Sten Högman (7 out of 7 patents)

6.  Pontus Andersson (5 out of 5 patents)

7.  Teuvo Ranta (4 out of 4 patents)

8.  Kent Hultberg (4 out of 4 patents)

9.  Werner J Andresen (3 out of 5 patents)

10.  Wilhelmus P Castricum (3 out of 14 patents)

11.  Göran Hultmark (2 out of 2 patents)

12.  Robert Salomonsson (2 out of 2 patents)

13.  Anders Vorre (2 out of 2 patents)

14.  Hans Schmidt-Hansen (2 out of 3 patents)

15.  Wilhelmus P H Castricum (2 out of 4 patents)


Core Competencies:
Ventilation Systems
Flow Measurement
Plenum Box
Coupling Rings
Double-Walled Structures
Spiral Pipe Cutting
Sealing Rings
Helically-Wound Tubing
Pipe Connections
Fluid Pipe Elements
Cutter Mechanisms
Duct Systems

48 patents:

1. 10663191 - Damper for ventilation systems (2020-05-26),
2. 10443887 - Ventilation device with varying air velocity (2019-10-15),
3. 9927271 - System for identifying a sensor and measuring flow in a flow duct (2018-03-27),
4. 9074790 - Plenum box (2015-07-07),
5. D609254 - Cutter (2010-02-02),
6. D513072 - Part in a ventilation system (2005-12-20),
7. 6758502 - Coupling ring for ventilation ducts, and method of connecting ventilation ducts (2004-07-06),
8. 6655182 - Apparatus and method for reshaping tubes (2003-12-02),
9. D475781 - Coupling ring for ventilation ducts (2003-06-11),
10. 6543575 - Double-walled structure and connection arrangement (2003-04-08),
11. 6466834 - Method and apparatus for conversion of ventilation systems represented in computer-readable form (2002-10-15),
12. 6453710 - Method and apparatus for manufacturing a helically-wound lock-seam tube having air nozzles (2002-09-24),
13. D461887 - Coupling ring for ventilation ducts (2002-08-21),
14. 6431609 - Pipe connection for ventilating duct system (2002-08-13),
15. D456072 - Coupling ring for ventilation ducts (2002-04-24),
Lindab AB is a leading international company that develops, manufactures, and distributes products and systems for simplified construction and improved indoor climate. The company offers a wide range of innovative solutions for roofs, ventilation, facades, and indoor climate.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

48 Patents

#1 in Bastad

#141 in Sweden

#14,509 in the World

Bastad, SE
Bastad, Sweden

Lindab Ab

Forward Citations = 1,227

32 inventors:

goldMedal Kenneth Lennartsson (24 out of 32 patents)

silverMedal Carl-Gustaf Sonden (14 out of 14 patents)

bronzeMedal Lars-Åke Mattsson (8 out of 8 patents)

4.  Carl-Gustaf Sondén (7 out of 7 patents)

5.  Sten Högman (7 out of 7 patents)

Please report any incorrect information to [email protected]
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