Growing community of inventors

Ponca City, OK, United States of America

David L Richter

Average Co-Inventor Count = 2.67

ph-index = 1

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 = 18

David L Richter ↔ William T Sweeney (1 patent)David L Richter ↔ Michael C Kasl (1 patent)David L Richter ↔ Joel F Wilson (1 patent)David L Richter ↔ David Overman (1 patent)David L RichterDavid L Richter (2 patents)William T SweeneyWilliam T Sweeney (16 patents)Michael C KaslMichael C Kasl (1 patent)Joel F WilsonJoel F Wilson (1 patent)David OvermanDavid Overman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Conoco Inc. (2 from 860 patents)


2 patents:

1. 5265466 - Rod insertion method and friction reducing device

2. 5211249 - Apparatus and method for obtaining subterranean samples

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as of
12/16/2025
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