Growing community of inventors

Houston, TX, United States of America

Henry Campbell King

Average Co-Inventor Count = 6.00

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 = 44

Henry Campbell King ↔ Darrell R Richards (2 patents)Henry Campbell King ↔ William Thornton (2 patents)Henry Campbell King ↔ Vincent Danko Grbic (2 patents)Henry Campbell King ↔ Colin Rush (2 patents)Henry Campbell King ↔ Edgar Von Rosenberg (2 patents)Henry Campbell KingHenry Campbell King (2 patents)Darrell R RichardsDarrell R Richards (3 patents)William ThorntonWilliam Thornton (3 patents)Vincent Danko GrbicVincent Danko Grbic (2 patents)Colin RushColin Rush (2 patents)Edgar Von RosenbergEdgar Von Rosenberg (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Drilltec Patents & Technologies Company, Inc. (2 from 13 patents)


2 patents:

1. 6367508 - Thread protector

2. 6196270 - Thread protector

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1/3/2026
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