Growing community of inventors

Durham, NC, United States of America

Andrew J Stough

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 = 3

Andrew J Stough ↔ Patrick William Laffan (1 patent)Andrew J Stough ↔ John C Spangler, Jr (1 patent)Andrew J StoughAndrew J Stough (1 patent)Patrick William LaffanPatrick William Laffan (12 patents)John C Spangler, JrJohn C Spangler, Jr (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Inc. (1 from 9,440 patents)


1 patent:

1. 8376820 - Fender-accessible air filter

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as of
12/8/2025
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