Growing community of inventors

Herne, Germany

Willi Hempelmann

Average Co-Inventor Count = 6.00

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 = 22

Willi HempelmannWalter R Knabel (2 patents)Willi HempelmannFriedrich Jarchow (2 patents)Willi HempelmannHans Ringleben (2 patents)Willi HempelmannDietrich Haensel (2 patents)Willi HempelmannRainer Sturmath (1 patent)Willi HempelmannRanier Sturmath (1 patent)Willi HempelmannWilli Hempelmann (2 patents)Walter R KnabelWalter R Knabel (23 patents)Friedrich JarchowFriedrich Jarchow (7 patents)Hans RinglebenHans Ringleben (2 patents)Dietrich HaenselDietrich Haensel (2 patents)Rainer SturmathRainer Sturmath (1 patent)Ranier SturmathRanier Sturmath (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,812 patents)


2 patents:

1. 3974011 - Method for cementing in the manufacture of double-pane insulating glass

2. 3947311 - Method and apparatus for cementing in the manufacture of double-pane

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as of
12/21/2025
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