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Lidingo, Sweden

Interspiro Ab

USPTO Granted Patents = 12

EPO Patents = 3

Trademarks = 4

Forward Citations = 173

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14 inventors (with patents filed for the assignee):

Pierre Buhlmann (3 out of 4 patents)

Ivan Hellquist (3 out of 4 patents)

Anders Johnsson (2 out of 2 patents)

4. Andreas Lindell (2 out of 2 patents)

5. Håkan Hedenberg (2 out of 5 patents)

6. Olof Rylander (1 out of 1 patent)

7. Ian Maxwell (1 out of 1 patent)

8. John Grieves (1 out of 4 patents)

9. Carl Göran Crafoord (1 out of 1 patent)

10. Carl P Muhlmann (1 out of 1 patent)

11. Erik Svantesson (1 out of 1 patent)

12. Mats Lundberg (1 out of 1 patent)

13. Pierre Bühlmann (1 out of 1 patent)

14. Lars Liljeberg (1 out of 1 patent)

15. Imre Botos (2 patents)

12 patents: Sort by Forward Citations

1. 12458819 - Arrangement for breathing apparatus, and breathing apparatus (2025-11-04),

2. 10368627 - Harness and method for manufacturing thereof (2019-08-06),

3. 7814909 - Breathing mask (2010-10-19),

4. D542368 - Diving weight (2007-05-08),

5. 6360742 - Connecting device for a breathing apparatus (2002-03-26),

6. 6290111 - Harness (2001-09-18),

7. 6105632 - Combined pressure reducing and charging valve (2000-08-22),

8. 6102034 - Breathing equipment (2000-08-15),

9. 5832916 - Method and system for checking the operability of electrical-based (1998-11-10),

10. 5080414 - Locking device for attaching a gas cylinder in a portable cylinder holder (1992-01-14),

11. 4926855 - Respirator (1990-05-22),

12. 4887638 - Regulator (1989-12-19),

Interspiro is a leading company in respiratory protection and firefighting equipment. With over 100 years of experience, Interspiro provides innovative solutions to protect users in hazardous environments. Their products include breathing apparatus, masks, and accessories for a wide range of industries.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

12 Patents

#3 in Lidingo

#499 in Sweden

#46,701 in the World

Lidingo, Sweden

Interspiro Ab

Forward Citations = 173

14 inventors:

Pierre Buhlmann (3 out of 4 patents)

Ivan Hellquist (3 out of 4 patents)

Anders Johnsson (2 out of 2 patents)

4. Andreas Lindell (2 out of 2 patents)

5. Håkan Hedenberg (2 out of 5 patents)

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