Growing community of inventors

Plano, TX, United States of America

Steven D Crane

Average Co-Inventor Count = 2.67

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 = 54

Steven D CraneGary L Beer (3 patents)Steven D CraneHarrison F Blacker (2 patents)Steven D CraneQuintin J Lai (1 patent)Steven D CraneJames R Coleman (1 patent)Steven D CraneSteven D Crane (4 patents)Gary L BeerGary L Beer (15 patents)Harrison F BlackerHarrison F Blacker (2 patents)Quintin J LaiQuintin J Lai (6 patents)James R ColemanJames R Coleman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Atlantic Richfield Company (4 from 1,851 patents)


4 patents:

1. 6054496 - Method for transporting a heavy crude oil produced via a wellbore from a

2. 5935423 - Method for producing from a subterranean formation via a wellbore,

3. 5929125 - Method for producing heavy crude oil via a wellbore from a subterranean

4. 5425421 - Method for sealing unwanted fractures in fluid-producing earth formations

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as of
12/19/2025
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