Growing community of inventors

Tomball, TX, United States of America

Douglas J Harrison

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 153

Douglas J HarrisonRyan Matthew Van Zanten (4 patents)Douglas J HarrisonRyan G Ezell (2 patents)Douglas J HarrisonRyan Van Zanten (0 patent)Douglas J HarrisonDouglas J Harrison (6 patents)Ryan Matthew Van ZantenRyan Matthew Van Zanten (20 patents)Ryan G EzellRyan G Ezell (15 patents)Ryan Van ZantenRyan Van Zanten (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Halliburton Energy Services, Inc. (6 from 11,766 patents)


6 patents:

1. 9315712 - Viscoelastic surfactants and methods of making and using same

2. 8684091 - Wellbore servicing compositions and methods of making and using same

3. 8322431 - Wellbore servicing compositions and methods of making and using same

4. 8207096 - Compressible packer fluids and methods of making and using same

5. 7960314 - Microemulsifiers and methods of making and using same

6. 7833943 - Microemulsifiers and methods of making and using same

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idiyas.com
as of
12/8/2025
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