Growing community of inventors

Vancouver, WA, United States of America

Robert David Clark

Average Co-Inventor Count = 3.00

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 = 5

Robert David ClarkChenyao Chen (2 patents)Robert David ClarkRobert Lee Chess (2 patents)Robert David ClarkRobert David Clark (2 patents)Chenyao ChenChenyao Chen (8 patents)Robert Lee ChessRobert Lee Chess (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,891 patents)

2. Nacco Materials Handling Group, Inc. (1 from 10 patents)


2 patents:

1. 9114800 - Vehicle transmission with clutch pack overrun

2. 8596156 - Vehicle transmission with clutch pack overrun

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idiyas.com
as of
12/31/2025
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