Growing community of inventors

Kenilworth, United Kingdom

John A Hirst

Average Co-Inventor Count = 1.33

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 = 27

John A HirstStanley Ceney (1 patent)John A HirstJohn A Hirst (2 patents)Stanley CeneyStanley Ceney (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)

2. Exotech Limited (1 from 3 patents)


2 patents:

1. 5584627 - Load indicating fasteners

2. 4909685 - Fastener, power tool for use with same and method tightening the fastener

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12/20/2025
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