Growing community of inventors

Heide, Germany

Helmut L Dull

Average Co-Inventor Count = 2.00

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 = 44

Helmut L DullWilhelm Schreihage (1 patent)Helmut L DullHorst W Flunkert (1 patent)Helmut L DullHelmut L Dull (2 patents)Wilhelm SchreihageWilhelm Schreihage (2 patents)Horst W FlunkertHorst W Flunkert (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. U.S. Philips Corporation (2 from 14,087 patents)


2 patents:

1. 4984130 - Passive electric component

2. 4375126 - Device for mounting parts on printed circuit boards

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12/20/2025
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