Growing community of inventors

Trollhattan, Sweden

Per-Gunnar Bjorck

Average Co-Inventor Count = 5.29

ph-index = 3

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 = 30

Per-Gunnar BjorckJohn A Diemer (3 patents)Per-Gunnar BjorckHenryk Sowul (3 patents)Per-Gunnar BjorckPatrick S Portell (3 patents)Per-Gunnar BjorckMikael B Mohlin (3 patents)Per-Gunnar BjorckJames D Hendrickson (1 patent)Per-Gunnar BjorckPer-Gunnar Bjorck (3 patents)John A DiemerJohn A Diemer (51 patents)Henryk SowulHenryk Sowul (39 patents)Patrick S PortellPatrick S Portell (32 patents)Mikael B MohlinMikael B Mohlin (10 patents)James D HendricksonJames D Hendrickson (50 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gm Global Technolgoy Operations, Inc. (3 from 30,943 patents)


3 patents:

1. 8117932 - Multi-speed transmission with countershaft gearing

2. 7886626 - Multi-speed dual clutch transmission

3. 7870804 - Multi-speed dual clutch transmission

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as of
12/7/2025
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