Calgary
Canada
13
2023-01-19
The entities that hold a legal rights for patent applications filed by inventor Ravensbergen John:
John Ravensbergen from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation
#2 | 2023-01-05Convertible tracer valve assemblies and related methods for fracturing and tracing
#3 | 2021-07-22Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation
#4 | 2020-11-26Method of optimizing operation one or more tubing strings in a hydrocarbon well, apparatus and system for same
#5 | 2020-06-18Apparatus, systems and methods for actuation of downhole tools
#6 | 2018-11-22Electrically actuated downhole flow control apparatus
#7 | 2018-08-23Apparatuses, systems and methods for treating and producing from multiple zones in a subterranean formation
#8 | 2018-08-16Fracturing valve and fracturing tool string
#9 | 2017-10-26Apparatus, systems and methods for controlling flow communication with a subterranean formation
#10 | 2017-04-06Tubular airlock assembly
#11 | 2016-09-15Electrically actuated downhole flow control apparatus
#12 | 2015-10-01FRAC BALL AND HYDRAULIC FRACTURING SYSTEM
#13 | 2015-03-26Fracturing valve and fracturing tool string
1107846 ⎘