Inventor · disambiguated record
Ralph L. Coates
Also filed as: COATES RALPH L
5 granted patents·1 pending application·143 citations·filing 1975–2012
80Inventor score
Top patents by PatentIndex Score
6 records- 0190US4272255AApparatus for gasification of carbonaceous solidsMOUNTAIN FUEL RESOURCES INC·Filed 1979·Granted Jun 9, 1981·84 cites·2 claims
- 0290US3988123AGasification of carbonaceous solidsUS ENERGY·Filed 1975·Granted Oct 26, 1976·51 cites·8 claims
- 0375US8298406B2Method and apparatus for maximizing throughput of indirectly heated rotary kilnsCOATES RALPH L·Filed 2009·Granted Oct 30, 2012·6 cites·11 claims
- 0473US8999017B2Method and apparatus for fast pyrolysis of biomass in rotary kilnsCOATES RALPH L·Filed 2011·Granted Apr 7, 2015·2 cites·21 claims
- 0550US9371486B2Method and apparatus for maximizing throughput of indirectly heated rotary kilnsCOATES RALPH L·Filed 2012·Granted Jun 21, 2016·0 cites·20 claims
- 0635US2008202985A1Method for recovery of hydrocarbon oils from oil shale and other carbonaceous solidsCOMB RESOURCES L L C·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ralph L. Coates files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →