Growing community of inventors

Aalen, Germany

Helmut Hammer

Average Co-Inventor Count = 1.00

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 = 15

Helmut Hammer ↔ Walter Bärnthaler (4 patents)Helmut Hammer ↔ Andreas Kisselbach (2 patents)Helmut Hammer ↔ Stefan Feistritzer (0 patent)Helmut HammerHelmut Hammer (1 patent)Walter BärnthalerWalter Bärnthaler (4 patents)Andreas KisselbachAndreas Kisselbach (2 patents)Stefan FeistritzerStefan Feistritzer (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gebr. Leitz Gmbh & Co. (1 from 4 patents)

2. Boehlerit Gmbh & Co. Kg. (12 patents)

3. Leitz Gmbh & Co. Kg (5 patents)


1 patent:

1. 5658101 - Milling head

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12/21/2025
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