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's Gravenzande, Netherlands

Stephan David Hartman

Average Co-Inventor Count = 2.00

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 = 4

Stephan David HartmanGijsbertus Johannes Verduijn (2 patents)Stephan David HartmanStephan David Hartman (2 patents)Gijsbertus Johannes VerduijnGijsbertus Johannes Verduijn (12 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Rexnord Flattop Europe B.v. (2 from 42 patents)


2 patents:

1. 7243783 - Chain pin for hinge conveyor chains

2. 7097032 - Chain pin for hinge conveyor chains

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as of
12/14/2025
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