Douglas Gayle McDaniel

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Moss Point, MS, US

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst dumping spool assembly
- Patent number 10,413,877
- Issue date Sep 17, 2019
- Chevron U.S.A. Inc.
- Jeff William Johns
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst dumping spool assembly
- Patent number 10,350,565
- Issue date Jul 16, 2019
- Chevron U.S.A. Inc.
- Jeff William Johns
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for safely and quickly shutting down and cleaning a hydropro...
- Patent number 9,545,649
- Issue date Jan 17, 2017
- Chevron U.S.A. Inc.
- Jeff William Johns
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
CATALYST DUMPING SPOOL ASSEMBLY
- Publication number 20190270061
- Publication date Sep 5, 2019
- Chevron U.S.A. Inc.
- Jeff William Johns
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST DUMPING SPOOL ASSEMBLY
- Publication number 20180250648
- Publication date Sep 6, 2018
- Chevron U.S.A. Inc.
- Jeff William Johns
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR SAFELY AND QUICKLY SHUTTING DOWN AND CLEANING A HYDROPRO...
- Publication number 20160346815
- Publication date Dec 1, 2016
- Chevron U.S.A. Inc.
- Jeff Jeff Johns
- B08 - CLEANING