Growing community of inventors

Blaine, MN, United States of America

Douglas E Lien

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 = 21

Douglas E LienRoger W Boeckers (1 patent)Douglas E LienDouglas E Lien (2 patents)Roger W BoeckersRoger W Boeckers (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Commercial Intertech Limited (1 from 8 patents)

2. Boeckers; Roger W. (1 from 1 patent)


2 patents:

1. 5320443 - Connecting pin

2. D268512 - Hydraulic locking valve

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as of
12/31/2025
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