James E. Hein — 4 Patents at Chevron

Issued Patents 2023

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
11833479	Catalyst slurry mixing process and system	Scott E. Kufeld	2023-12-05
11673975	System and method for improving dump tank purge time	Bradley T. Price, Jamie N. Sutherland, Joseph A. Curren	2023-06-13
11584806	Methods for chromium catalyst activation using oxygen-enriched fluidization gas	Ralph W. Romig, Troy Bretz, Zhihui Gu	2023-02-21
11578145	System and method for rapid dump tank heating	Joseph A. Curren, Ralph W. Romig, Ai-Fu Chang	2023-02-14