Growing community of inventors

Aalen, Germany

Helmut Grell

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 = 161

Helmut GrellHeinz Scharbach (1 patent)Helmut GrellAchim Engelhardt (1 patent)Helmut GrellHelmut Grell (2 patents)Heinz ScharbachHeinz Scharbach (5 patents)Achim EngelhardtAchim Engelhardt (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sybron Corporation (1 from 201 patents)

2. Pfaudler-werke Ag (1 from 10 patents)


2 patents:

1. 4187559 - Body joint endoprosthesis

2. 4177524 - Medical securement element with abrasive grains on thread surface

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idiyas.com
as of
12/21/2025
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