Growing community of inventors

Edmonds, WA, United States of America

David Duncan

Average Co-Inventor Count = 4.80

ph-index = 4

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 = 752

David DuncanJohn Russell Seghers (4 patents)David DuncanTimothy A Johns (4 patents)David DuncanRay Sharif (4 patents)David DuncanEugene Chigirinsky (2 patents)David DuncanGreg McKay (2 patents)David DuncanDavid Duncan (4 patents)John Russell SeghersJohn Russell Seghers (10 patents)Timothy A JohnsTimothy A Johns (7 patents)Ray SharifRay Sharif (4 patents)Eugene ChigirinskyEugene Chigirinsky (2 patents)Greg McKayGreg McKay (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Global Network Security, Inc. (3 from 3 patents)

2. Global Networks Security, Inc. (1 from 1 patent)


4 patents:

1. 7356372 - Facilities management system with programmable logic control

2. 7340314 - Facilities management system with local display and user interface

3. 7136711 - Facilities management system

4. 7068164 - Facilities management system with server-independent enclosures

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as of
12/4/2025
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