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Peoria, IL, United States of America

Hugh V Piper

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 = 10

Hugh V Piper ↔ Kennith E Vaughn (1 patent)Hugh V Piper ↔ James H Tunnell (1 patent)Hugh V PiperHugh V Piper (2 patents)Kennith E VaughnKennith E Vaughn (4 patents)James H TunnellJames H Tunnell (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Tractor Co. (2 from 1,981 patents)


2 patents:

1. 4376474 - Automatic brake speed bleed system

2. 4047771 - Bushing removal adapter

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as of
12/16/2025
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