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Ab Svenska Flaktfabriken

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USPTO Granted Patents = 33

Trademarks = 1

Forward Citations = 360

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38 inventors (with patents filed for the assignee):

Lennart Widerby (4 out of 9 patents)

Lennart Gustavsson (3 out of 16 patents)

Jan-Mats Eneroth (2 out of 5 patents)

4. Sergio De Feudis (2 out of 7 patents)

5. Bertil S Larsson (2 out of 3 patents)

6. Gunnar Svensson (2 out of 2 patents)

7. Karl Gustaf Olsson (1 out of 2 patents)

8. Stig Rune Lindgren (1 out of 1 patent)

9. Ake Ljung (1 out of 1 patent)

10. Staffan Jansson (1 out of 2 patents)

11. Birger Larkfeldt (1 out of 1 patent)

12. George Walker (1 out of 1 patent)

13. Lars Bergstrom (1 out of 2 patents)

14. Filip Knutsson (1 out of 2 patents)

15. Marcel Selim Bahri, Deceased (1 out of 1 patent)

Core Competencies:

Deicing

Air Purification

Ventilation Nozzle

Gas Filter

Heat Exchanger

Dust Separator

Cooling System

Spray Painting

Waste Conveyance

Humidity Control

Air Diffuser

Valve Technology

33 patents: Sort by Forward Citations

1. 4683870 - Apparatus for deicing exterior parts of a railway vehicle (1987-08-04),

2. 4472181 - Spray painting plant containing apparatus for purifying contaminated air (1984-09-18),

3. D273702 - Adjustable ventilation nozzle (1984-05-01),

4. 4345921 - Spray chamber including a wet separator (1982-08-24),

5. D265511 - Panel structure (1982-07-20),

6. 4337230 - Method of absorbing sulfur oxides from flue gases in seawater (1982-06-29),

7. 4326365 - Joint system for walls, doors and the like (1982-04-27),

8. 4320695 - Air diffuser (1982-03-23),

9. 4318643 - Apparatus for conveying waste materials by suction (1982-03-09),

10. 4290210 - Device for drying web material (1981-09-22),

11. 4274842 - Method of purifying gas containing gaseous mercury (1981-06-23),

12. 4253314 - Plant for cooling heated goods (1981-03-03),

13. 4251048 - Pilot valve (1981-02-17),

14. 4229183 - Method of refining solid fuel of organic vegetable material (1980-10-21),

15. 4214729 - Connecting valve (1980-07-29),

Company Overview

Ab Svenska Flaktfabriken, headquartered in Nacka, Sweden, specializes in the development and manufacturing of advanced ventilation solutions. The company focuses on creating energy-efficient air handling systems that enhance indoor air quality across various sectors, including commercial, industrial, and residential applications. With a commitment to innovation, Ab Svenska Flaktfabriken leverages cutting-edge technology to address the evolving needs of the market, ensuring sustainable and effective air management solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

33 Patents

#4 in Nacka

#210 in Sweden

#20,190 in the World

Ab Svenska Flaktfabriken

Forward Citations = 360

38 inventors:

Lennart Widerby (4 out of 9 patents)

Lennart Gustavsson (3 out of 16 patents)

Jan-Mats Eneroth (2 out of 5 patents)

4. Sergio De Feudis (2 out of 7 patents)

5. Bertil S Larsson (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ab Svenska Flaktfabriken. Retrieved from https://idiyas.com/company/ab-svenska-flaktfabriken

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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