Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for igniting an in situ oil shale retort

Method and apparatus for igniting an in situ oil shale retort

US Patent 4301866 · Granted Nov 24, 1981

Estimated economic value: $16,124,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Bogie for a lowboy trailer2024
Bogie for a lowboy trailer2020
Assemblies for illuminating chain slots on a trailer2019
Hydraulic equalizing spreader bar with dual spread links2016
Spreader bar2016
Platform2013
Method and reactor for producing tire oil1995
Dual mass dynamic cone penetrometer1994
Switchgear contact1991
Dead front fuse door1991
In situ oil shale retort having horizontal voids with side pillars1984
Open cart roof structure1982