Growing community of inventors

Bromma, Sweden

Jonas D Fridholm

Average Co-Inventor Count = 4.50

ph-index = 9

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 182

Jonas D FridholmNiklas Lilenthal (9 patents)Jonas D FridholmOskar E Juhlin (7 patents)Jonas D FridholmDavid Crafoord (7 patents)Jonas D FridholmKjell I Mases (7 patents)Jonas D FridholmRutger Belin (7 patents)Jonas D FridholmLennart C Fredriksson (7 patents)Jonas D FridholmJonas D Fridholm (9 patents)Niklas LilenthalNiklas Lilenthal (15 patents)Oskar E JuhlinOskar E Juhlin (85 patents)David CrafoordDavid Crafoord (23 patents)Kjell I MasesKjell I Mases (10 patents)Rutger BelinRutger Belin (8 patents)Lennart C FredrikssonLennart C Fredriksson (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. 3M Innovative Properties Company (9 from 14,087 patents)


9 patents:

1. 8584265 - Head suspension system and headgear with replaceable headband bridge and method of adjusting same

2. 7865968 - Head suspension system and headgear that have an adjustable visor and method of adjusting same

3. D539988 - Welding helmet visor

4. D533313 - Ear portion of a welding helmet

5. D532939 - Top portion of a welding helmet

6. D532560 - Side portion of a welding helmet

7. D526097 - Side portion of a welding helmet

8. D525395 - Welding helmet lens frame

9. D524992 - Pair of welding helmet visor flanges

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as of
1/7/2026
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