Location History:
- Murphy's, CA (US) (1990)
- San Francisco, CA (US) (1988 - 1992)
- Garden Grove, CA (US) (2001)
- Petaluma, CA (US) (1995 - 2009)
Company Filing History:
9 out of 2,449 
2 out of 1,860 
1 out of 251 
Years Active: 1988-2009
Title: David R Johnson: Innovator in Lubrication and Fischer-Tropsch Processes
Introduction
David R Johnson is a prominent inventor based in Petaluma, CA (US). He holds a total of 16 patents that showcase his expertise in the fields of lubrication and chemical processing. His innovative approaches have significantly contributed to advancements in these areas.
Latest Patents
Among his latest patents, one includes a process for producing a lubricating base oil with high oxidation stability. This process involves determining the weight percent of olefins in the feed using H NMR, hydroprocessing the feed to reduce olefins to a target value, and collecting the lubricating base oil with the desired oxidation stability. Another notable patent focuses on removing contaminants from Fischer-Tropsch feed streams. This process entails several steps, including passing the products through a particulate removal zone, collecting a substantially particulate-free feed stream, and recovering a Fischer-Tropsch product with minimal aluminum content.
Career Highlights
David has worked with notable companies, including Chevron U.S.A. Inc. His experience in the industry has allowed him to develop and refine his innovative processes, contributing to the efficiency and effectiveness of lubrication and chemical synthesis.
Collaborations
Throughout his career, David has collaborated with professionals such as Christopher A Simmons and David C Kramer. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
David R Johnson's contributions to the fields of lubrication and Fischer-Tropsch processes highlight his role as a significant inventor. His patents reflect a commitment to innovation and excellence in chemical engineering.