Growing community of inventors

Elze, Germany

Klaus Franck

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 = 21

Klaus FranckSiegfried Slabon (1 patent)Klaus FranckKlaus Franck (1 patent)Siegfried SlabonSiegfried Slabon (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Wilkhahn, Wilkening & Hahne (1 from 3 patents)


1 patent:

1. 4076308 - Chair

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12/15/2025
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