Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process to improve extraction of crude oil and installation implementing such process

Process to improve extraction of crude oil and installation implementing such process

US Patent 7621333 · Granted Nov 24, 2009

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electrically heated fluid transportation pipe2021
Pipe section2019
Thermally insulated and heated double-walled pipe segment for fitting by screw f2017
Agents for promoting secretion and/or suppressing decrease of adiponectin2017
Organophosphorus derivatives and use thereof as uncoupling agents2015
Installation for continuous application of particulate insulation to an elongate2012
Thermal insulation device of a screwed junction2011
System and method for rheological characterization of granular materials2005
Double-shell pipeline exhibiting improved buckling strength2003
Circumferential-weld reinforcing device2002
Method for producing pipes to be connected in a double-wall piping system and im2002
Method and device for protecting a work surface2000