Growing community of inventors

Wiesbaden, Germany

Ferdinand Klegraf

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 4

Ferdinand Klegraf ↔ Norbert Berlenbach (1 patent)Ferdinand KlegrafFerdinand Klegraf (1 patent)Norbert BerlenbachNorbert Berlenbach (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Passavant-werke Michelbacher Huette (1 from 10 patents)

2. Passavant-geiger Gmbh (1 patent)

3. Va Tech Wabag Gmbh (0 patent)


1 patent:

1. 4209395 - Process for slow softening water

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as of
12/19/2025
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