Growing community of inventors

Aurora, IL, United States of America

David R Shields

Average Co-Inventor Count = 4.00

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 = 7

David R Shields ↔ Brian C Howson (1 patent)David R Shields ↔ Matthew T Hansen (1 patent)David R Shields ↔ Christopher Carpenter (1 patent)David R ShieldsDavid R Shields (1 patent)Brian C HowsonBrian C Howson (10 patents)Matthew T HansenMatthew T Hansen (2 patents)Christopher CarpenterChristopher Carpenter (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Inc. (1 from 9,471 patents)


1 patent:

1. 8596666 - Ground engaging machine having articulation hitch, and method

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as of
12/30/2025
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