Lewis Karrick

Lewis Cass Karrick (1890–1962) was an American petroleum refinery engineer, oil shale and coal technologist, and inventor. He patented several coal and oil shale related inventions, and he also refined and perfected a low-temperature carbonization and pyrolysis process for processing coal and other carbonaceous materials, known as the Karrick process. In 1920s, he improved the low-temperature carbonization and pyrolysis process for processing coal and other carbonaceous materials, which is known as Karrick process. He was also actively involved in the early development of the NTU oil shale retort.

Patents issued to Lewis Karrick