Growing community of inventors

Troy, MI, United States of America

David Chen

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 16

David ChenAllen G Crowley (2 patents)David ChenMingchi Michael Tsai (2 patents)David ChenLarry A Pritchard (1 patent)David ChenEric Christopher Sandstrom (1 patent)David ChenDavid Chen (3 patents)Allen G CrowleyAllen G Crowley (2 patents)Mingchi Michael TsaiMingchi Michael Tsai (2 patents)Larry A PritchardLarry A Pritchard (85 patents)Eric Christopher SandstromEric Christopher Sandstrom (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dayco Products, Inc. (2 from 357 patents)

2. Borgwarner Inc. (1 from 2,679 patents)


3 patents:

1. 8925702 - PTM multiplex hydraulic diagram with two position spool valve

2. 6880586 - Collar with integral vent for fuel filler pipe

3. 6666238 - Collar for fuel filler pipe

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idiyas.com
as of
12/14/2025
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