Growing community of inventors

County Durham, United Kingdom

Peter Houldey

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

Peter HouldeyChristopher Envy (1 patent)Peter HouldeyPeter Houldey (1 patent)Christopher EnvyChristopher Envy (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Pii Limited (1 from 12 patents)


1 patent:

1. 7458289 - Sensor system for an pipeline inspection tool

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12/13/2025
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