Growing community of inventors

Sala, Sweden

Jan-Erik Danielsson

Average Co-Inventor Count = 1.20

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 = 80

Jan-Erik DanielssonRolf Ahlberg (1 patent)Jan-Erik DanielssonJan-Erik Danielsson (3 patents)Rolf AhlbergRolf Ahlberg (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rolf Ahlbergs Mekaniska Verkstad Ab (2 from 2 patents)

2. Ahlberg Rehab Ab (1 from 2 patents)


3 patents:

1. D367251 - Foldable walking aid

2. 4661035 - Collapsible wheel-chair and apparatus for lifting the wheel-chair into

3. D289507 - Wheeled walking frame

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as of
12/19/2025
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