Growing community of inventors

Esslingen, Germany

Johann Hamperl

Average Co-Inventor Count = 1.45

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 = 22

Johann HamperlSiegfried Tisch (1 patent)Johann HamperlUwe Mierisch (1 patent)Johann HamperlMichael Helfrich (1 patent)Johann HamperlFerdinand Mulzer (1 patent)Johann HamperlJohann Hamperl (4 patents)Siegfried TischSiegfried Tisch (12 patents)Uwe MierischUwe Mierisch (5 patents)Michael HelfrichMichael Helfrich (2 patents)Ferdinand MulzerFerdinand Mulzer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daimler Chrysler Ag (3 from 2,614 patents)

2. Daimler Ag (1 from 2,047 patents)

3. Ina Schaeffler Kg (1 from 198 patents)


4 patents:

1. 8562479 - Tandem axle having two drivable axles and a drivetrain which can be partially disconnected

2. 7232140 - Steering knuckle pin bearing

3. 7066478 - Front axle of a motor vehicle with steerable, driven or not driven wheels

4. 6889802 - Wheel hub

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as of
12/20/2025
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