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Flakt Aktiebolag

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USPTO Granted Patents = 31

Trademarks = 1

Forward Citations = 372

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37 inventors (with patents filed for the assignee):

Lennart Widerby (4 out of 9 patents)

Osten Maatta (4 out of 5 patents)

Sigvard Matts (3 out of 3 patents)

4. Lennart Gustavsson (2 out of 16 patents)

5. Jan-Mats Eneroth (2 out of 5 patents)

6. Robert Fulton (2 out of 2 patents)

7. Karl-Hugo Andersson (2 out of 3 patents)

8. Rolf Petersson (2 out of 2 patents)

9. Roland Soderholm (2 out of 2 patents)

10. Bertil Larsson (1 out of 6 patents)

11. Ingemar Karlsson (1 out of 8 patents)

12. Roy B Holmberg (1 out of 4 patents)

13. Roy Gustavson (1 out of 1 patent)

14. George Walker (1 out of 1 patent)

15. Alf G Gustafsson (1 out of 3 patents)

Core Competencies:

Heat Exchanger

Dust Separator

Air Curtain

Venturi Wall

Clean Room

Flue Gas Purification

Cylinder Dryer

Telecommunications Cooling

Filter Elements

Dust Filter Bags

Exhaust Air Valve

Atmospheric Conditioning

31 patents: Sort by Forward Citations

1. D300771 - Plate heat exchanger (1989-04-18),

2. 4776263 - Device for a suspended ceiling structure for rectangular filter elements (1988-10-11),

3. 4698077 - Separating apparatus (1987-10-06),

4. 4683699 - Suspended ceiling structure for rectangular filter elements (1987-08-04),

5. D289813 - Frame for dust filter bags (1987-05-12),

6. 4625434 - Arrangement in cylinder dryer (1986-12-02),

7. 4606259 - Air curtain (1986-08-19),

8. 4582515 - Wet separator for and method of purifying polluted conditioning air (1986-04-15),

9. D281620 - Venturi wall for wet separators and the like (1985-12-03),

10. D281619 - Floor for a spray paint booth (1985-12-03),

11. 4554766 - Ceiling construction for clean rooms (1985-11-26),

12. 4553340 - Sealing device in a cylinder drier (1985-11-19),

13. 4537120 - Surface treatment plant and a method of ventilating same (1985-08-27),

14. 4522635 - Method and device for varying a d.c. voltage connected to an (1985-06-11),

15. D278595 - Fastener for exhaust air valves (1985-04-30),

Company Overview

Flakt Aktiebolag, based in Nacka, Sweden, specializes in advanced air management solutions, focusing on energy efficiency and indoor climate control. The company develops and manufactures a range of products including ventilation systems, air handling units, and smoke extraction solutions, catering to various sectors such as commercial buildings, industrial facilities, and infrastructure projects. Flakt Aktiebolag is committed to innovation in air technology, enhancing comfort and sustainability in environments worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

31 Patents

#5 in Nacka

#216 in Sweden

#21,301 in the World

Flakt Aktiebolag

Forward Citations = 372

37 inventors:

Lennart Widerby (4 out of 9 patents)

Osten Maatta (4 out of 5 patents)

Sigvard Matts (3 out of 3 patents)

4. Lennart Gustavsson (2 out of 16 patents)

5. Jan-Mats Eneroth (2 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Flakt Aktiebolag. Retrieved from https://idiyas.com/company/flakt-aktiebolag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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