Growing community of inventors

Bad Ischl, Austria

Hubert Kefer

Average Co-Inventor Count = 1.25

ph-index = 3

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 = 58

Hubert KeferUlrich Zedrosser (1 patent)Hubert KeferJosef Gruber (1 patent)Hubert KeferHubert Kefer (5 patents)Ulrich ZedrosserUlrich Zedrosser (24 patents)Josef GruberJosef Gruber (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Steyr Mannlicher Holding Gmbh (3 from 9 patents)

2. Steyr-Daimler-Puch Ag (2 from 182 patents)


5 patents:

1. 8434255 - Breech block for a drop-down barrel weapon

2. 8341863 - Barrel holder for a drop-down barrel weapon

3. 7698844 - Box magazine for a firearm

4. 6178682 - Repeating rifle with semirigidly lockable bolt action and striking-pin safety

5. 6131325 - Safety mechanism for rifles with a cylindrical breech

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1/13/2026
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