Growing community of inventors

S. Burlington, VT, United States of America

Douglas L Allen

Average Co-Inventor Count = 3.00

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 = 1

Douglas L Allen ↔ Joseph M Rich (1 patent)Douglas L Allen ↔ Jeffery A Goodwin (1 patent)Douglas L AllenDouglas L Allen (1 patent)Joseph M RichJoseph M Rich (2 patents)Jeffery A GoodwinJeffery A Goodwin (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fab-Tech Incorporated (1 from 17 patents)


1 patent:

1. 6467815 - Fitting for installation of a nipple from the exterior of a duct and method of installation

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1/7/2026
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