Growing community of inventors

Harrisville, PA, United States of America

Douglas E Brewster

Average Co-Inventor Count = 5.52

ph-index = 3

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 = 16

Douglas E Brewster ↔ Keith J Salamony (3 patents)Douglas E Brewster ↔ Jeffrey S Rickert (3 patents)Douglas E Brewster ↔ Robert G Criswell (3 patents)Douglas E Brewster ↔ Brian L Dowler (2 patents)Douglas E Brewster ↔ Raymond Burteen Kelly (1 patent)Douglas E Brewster ↔ Jeffrey Bickel (1 patent)Douglas E Brewster ↔ Steven G Widdowson (1 patent)Douglas E BrewsterDouglas E Brewster (3 patents)Keith J SalamonyKeith J Salamony (5 patents)Jeffrey S RickertJeffrey S Rickert (3 patents)Robert G CriswellRobert G Criswell (3 patents)Brian L DowlerBrian L Dowler (2 patents)Raymond Burteen KellyRaymond Burteen Kelly (4 patents)Jeffrey BickelJeffrey Bickel (1 patent)Steven G WiddowsonSteven G Widdowson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ipeg, Inc (3 from 14 patents)


3 patents:

1. 10093492 - Material delivery system

2. 9745149 - Material delivery system

3. 9561915 - Pressure differential proofing method for pneumatic conveying

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/22/2026
Loading…