Growing community of inventors

Kristinehamn, Sweden

Stig Lönngren

Average Co-Inventor Count = 1.33

ph-index = 2

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 = 8

Stig LönngrenJan Pettersson (1 patent)Stig LönngrenStig Lönngren (2 patents)Jan PetterssonJan Pettersson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rolls-royce Aktiebolag (1 from 14 patents)

2. Kamewa Ab (1 from 6 patents)


2 patents:

1. 6935907 - Pod unit

2. 6165031 - Marine propulsion and steering unit

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as of
12/19/2025
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