Growing community of inventors

Houston, TX, United States of America

Darrell R Richards

Average Co-Inventor Count = 5.62

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 = 70

Darrell R RichardsWilliam Thornton (3 patents)Darrell R RichardsColin Rush (2 patents)Darrell R RichardsHenry Campbell King (2 patents)Darrell R RichardsVincent Danko Grbic (2 patents)Darrell R RichardsEdgar Von Rosenberg (2 patents)Darrell R RichardsBryan C Baker (1 patent)Darrell R RichardsBernard F Casteran (1 patent)Darrell R RichardsCavin Foord (1 patent)Darrell R RichardsDarrell R Richards (3 patents)William ThorntonWilliam Thornton (3 patents)Colin RushColin Rush (2 patents)Henry Campbell KingHenry Campbell King (2 patents)Vincent Danko GrbicVincent Danko Grbic (2 patents)Edgar Von RosenbergEdgar Von Rosenberg (2 patents)Bryan C BakerBryan C Baker (6 patents)Bernard F CasteranBernard F Casteran (2 patents)Cavin FoordCavin Foord (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Drilltec Patents & Technologies Company, Inc. (3 from 13 patents)


3 patents:

1. 6367508 - Thread protector

2. 6261037 - Connector assembly

3. 6196270 - Thread protector

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idiyas.com
as of
12/28/2025
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