Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DM

David M. Marchand

ETEthyl: 2 patents #215 of 494Top 45%
ACAfton Chemical: 1 patents #130 of 222Top 60%
Baton Rouge, LA: #583 of 1,896 inventorsTop 35%
Louisiana: #2,223 of 10,876 inventorsTop 25%
Overall (All Time): #1,589,723 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7288198 Removal of alcohols and water from a methylcyclopentadiene recycle stream in a process for the synthesis of methylcyclopentadienyl manganese tricarbonyl Abbas Kadkhodayan 2007-10-30
5281733 Process for producing MMT Carl O. Inabinet, Fred H. Gregory, Robert B. Agee 1994-01-25
5278071 Bench test method for rating the corrosion inhibiting ability of an oleaginous fluid Cheng Kuo 1994-01-11