Growing community of inventors

Cape Town, South Africa

Philip Duffy

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 = 15

Philip DuffyUwe Harms (1 patent)Philip DuffyPhilip Duffy (2 patents)Uwe HarmsUwe Harms (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sterling Plumbing Group, Inc. (2 from 38 patents)


2 patents:

1. 5839228 - Swing-up sliding door arrangement

2. 5575022 - Shower cubicle enclosure

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as of
12/13/2025
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