Growing community of inventors

Lippstadt, Germany

Karl Frech

Average Co-Inventor Count = 3.00

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 = 3

Karl FrechHans Tolle (1 patent)Karl FrechHartmut Ludke (1 patent)Karl FrechKarl Frech (1 patent)Hans TolleHans Tolle (2 patents)Hartmut LudkeHartmut Ludke (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Carl Kurt Walther Gmbh & Co. Kg (1 from 16 patents)

2. Theodor Heimeier Metallwerk Gmbh (1 from 2 patents)


1 patent:

1. 4560586 - Process of deburring moldings made from granular material

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as of
12/22/2025
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