Ray E. Johnston — 2 Patents at Chevron

Ray E. Johnston has been granted 2 US patents while listed as an inventor at Chevron. The first was granted in 2017 and the most recent in February 2018. Ray E. Johnston ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ray E. Johnston in Austin, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9896925	Systems and methods for alerting of abnormal drilling conditions	Carlos A. Hernandez, Kelli M. Rettew, Janice S. Mathew, Steven J. Shipula, Tony Gomez	2018-02-20	$360,283,000
9670767	Apparatus, system and methods for alerting of abnormal drilling conditions	Carlos A. Hernandez, Kelli M. Rettew, Janice S. Mathew, Steven J. Shipula, Tony Gomez	2017-06-06	$107,140,000

Ray E. Johnston — 2 Patents

Issued Patents All Time

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