Growing community of inventors

Unterammergau, Germany

Alexander Keller

Average Co-Inventor Count = 2.14

ph-index = 6

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 = 61

Alexander KellerEdwin Lehner (5 patents)Alexander KellerRoland Kneer (2 patents)Alexander KellerPremek Stepanek (2 patents)Alexander KellerPiero G Ruffinengo (2 patents)Alexander KellerWerner Messerschmidt (1 patent)Alexander KellerThomas Tchorsch (1 patent)Alexander KellerHarald Schade (1 patent)Alexander KellerIngmar Kneer (1 patent)Alexander KellerAlexander Keller (10 patents)Edwin LehnerEdwin Lehner (17 patents)Roland KneerRoland Kneer (28 patents)Premek StepanekPremek Stepanek (22 patents)Piero G RuffinengoPiero G Ruffinengo (14 patents)Werner MesserschmidtWerner Messerschmidt (13 patents)Thomas TchorschThomas Tchorsch (2 patents)Harald SchadeHarald Schade (1 patent)Ingmar KneerIngmar Kneer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Marker Deutschland Gmbh (7 from 85 patents)

2. Gaplast Gmbh (3 from 32 patents)


10 patents:

1. 8955715 - Packaging

2. 8820578 - Packaging

3. 7487885 - Dosing dispenser for essentially spherical items contained in a container

4. 6824158 - Device for adjusting the length of a ski safety attachment

5. 6460865 - Snowboard binding with conical adapter

6. 6443478 - Binding/boot combination for snowboards or the like

7. 6227552 - Snowboard binding with conical adapter

8. 5984346 - Binding for snowboards or the like

9. 5909893 - Retaining apparatus for securing bindings on snowboards or the like

10. 5810381 - Sole-retaining or boot-retaining system for ski bindings, snowboard

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as of
12/19/2025
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