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Billesholm, Sweden

Gullfiber Ab

USPTO Granted Patents = 16

Forward Citations = 180

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17 inventors (with patents filed for the assignee):

Kalman Csiki (7 out of 10 patents)

Jan-Olof Johansson (3 out of 3 patents)

Karel Spacek (3 out of 3 patents)

4. Heikki Korpela (3 out of 5 patents)

5. Tord R Lundin (3 out of 5 patents)

6. Tord Rune Lundin (2 out of 2 patents)

7. Leif Carl Ampler (1 out of 1 patent)

8. Lars Norrhede (1 out of 1 patent)

9. Ralf Warna (1 out of 1 patent)

10. Helle G Johansson (1 out of 2 patents)

11. Pahr O Holmgren (1 out of 1 patent)

12. Per-Olof Sanden (1 out of 1 patent)

13. Ingvar H Johansson (1 out of 3 patents)

14. Per Holmgren (1 out of 1 patent)

15. Arne Thomsen (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 4639318 - Tubular filter primarily intended for filtration of liquids (1987-01-27),

2. 4614487 - Ear plug as well as a method and apparatus for the production thereof (1986-09-30),

3. 4608217 - Method for the production of an ear plug (1986-08-26),

4. 4517845 - Method and apparatus for determining the flow velocity of a molten, (1985-05-21),

5. 4498469 - Ear plug as well as a method and apparatus for the production thereof (1985-02-12),

6. 4375702 - Device for mounting an earmuff on a helmet (1983-03-08),

7. 4338929 - Ear-plug (1982-07-13),

8. 4299074 - Method and apparatus for compressing voluminous material easy to compress (1981-11-10),

9. 4215683 - Ear-plug (1980-08-05),

10. 4164160 - Transverse cutter (1979-08-14),

11. 4117754 - Transverse cutter (1978-10-03),

12. D248191 - Ear muff support for a safety helmet with ear muffs (1978-06-20),

13. 4067672 - Apparatus for producing a body of porous thermoplastic material (1978-01-10),

14. 4051742 - Arrangement for tensioning and guiding the belts of a cellular plastic (1977-10-04),

15. D244491 - Safety helmet with ear muffs for hearing protection and fastening device (1977-05-31),

Gullfiber Ab is a leading manufacturer of premium quality fiberglass products. With a focus on innovation and sustainability, we provide solutions for various industries including automotive, construction, and aerospace. Our advanced production facilities ensure the highest standards of quality and performance. Visit our website for more information.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

16 Patents

#1 in Billesholm

#379 in Sweden

#36,651 in the World

Billesholm, Sweden

Gullfiber Ab

Forward Citations = 180

17 inventors:

Kalman Csiki (7 out of 10 patents)

Jan-Olof Johansson (3 out of 3 patents)

Karel Spacek (3 out of 3 patents)

4. Heikki Korpela (3 out of 5 patents)

5. Tord R Lundin (3 out of 5 patents)

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