Inventor

DOYLE LELAND

US2 patents

Patents

2 patents

US11268032B2Mar 8, 2022

Process and system for the above ground extraction of crude oil from oil bearing materials

TRC OPERATING COMPANY INC1 citations50

US12043799B2Jul 23, 2024

Process for extracting crude oil from diatomaceous earth

TRC OPERATING COMPANY INC0 citations39