DD

Donald J. Dowling

Chevron: 4 patents #14 of 266Top 6%
📍 Houston, TX: #20 of 924 inventorsTop 3%
🗺 Texas: #94 of 4,134 inventorsTop 3%
Overall (1989): #5,430 of 140,708Top 4%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4862001 Radiant energy absorption steam quality monitoring means and method Jackie C. Sims 1989-08-29
4854725 Multi-sensor steam quality monitoring means and method Jackie C. Sims, Theodore W. Nussbaum 1989-08-08
4849687 Steam quality monitoring means and method Jackie C. Sims, Richard S. Simpson 1989-07-18
4832503 Steam quality monitoring means and method Jackie C. Sims 1989-05-23