Growing community of inventors

Queenswood, South Africa

David Evans

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 = 5

David Evans ↔ John F Pickering (1 patent)David EvansDavid Evans (1 patent)John F PickeringJohn F Pickering (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lucas Industries Limited (1 from 967 patents)


1 patent:

1. 4415070 - Hose connector

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as of
1/4/2026
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