Growing community of inventors

Nazareth, PA, United States of America

David A Clark

Average Co-Inventor Count = 4.44

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 = 193

David A ClarkJames Werkheiser (2 patents)David A ClarkRobert A Porter (1 patent)David A ClarkDonald R Grunwald (1 patent)David A ClarkPhillip N Ross (1 patent)David A ClarkDavid Galloway (1 patent)David A ClarkBrad J Boyd (1 patent)David A ClarkDavid A Clark (2 patents)James WerkheiserJames Werkheiser (2 patents)Robert A PorterRobert A Porter (9 patents)Donald R GrunwaldDonald R Grunwald (3 patents)Phillip N RossPhillip N Ross (2 patents)David GallowayDavid Galloway (1 patent)Brad J BoydBrad J Boyd (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Si Handling Systems, Inc. (2 from 65 patents)


2 patents:

1. 6208908 - Integrated order selection and distribution system

2. 5977501 - Sortation and sequencing system

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idiyas.com
as of
1/8/2026
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