Calgary
Canada
24
2024-03-28
The entities that hold a legal rights for patent applications filed by inventor HUGHES JOHN:
JOHN HUGHES from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
APPARATUS, SYSTEM AND METHOD FOR INSULATED CONDUCTING OF FLUIDS
#2 | 2024-03-28APPARATUS, SYSTEM AND METHOD FOR INSULATED CONDUCTING OF FLUIDS
#3 | 2024-02-15HYDRAULICALLY ACTUATED DOUBLE-ACTING POSITIVE DISPLACEMENT PUMP SYSTEM FOR PRODUCING FLUIDS FROM A WELLBORE
#4 | 2020-12-24Systems and methods for multi-stage well stimulation
#5 | 2020-03-26Systems and methods for multi-stage well stimulation
#6 | 2018-09-06Multi-stage well isolation
#7 | 2018-08-23MULTI-STAGE WELL ISOLATION AND FRACTURING
#8 | 2018-08-23Apparatus and method for opening and closing in multiple cycles a downhole sleeve using an intervention tool
#9 | 2018-02-08Apparatus and method for locating and setting a tool in a profile
#10 | 2017-07-20WELLBORE TOOL AND METHOD
#11 | 2017-04-13Liner Hanger and Method for Installing a Wellbore Liner
#12 | 2017-02-23MULTI-STAGE WELL ISOLATION AND FRACTURING
#13 | 2015-11-19MULTI-STAGE WELL ISOLATION AND FRACTURING
#14 | 2015-10-08Multi-stage well isolation
#15 | 2015-04-30Drillable Debris Barrier Tool
#16 | 2015-02-05Liner hanger and method for installing a wellbore liner
#17 | 2014-08-28Wellbore Packer And Method
#18 | 2014-07-31Wellbore treatment tool and method
#19 | 2013-11-14Wellbore tools and methods
#20 | 2013-01-17Wellbore circulation tool and method
#21 | 2012-03-22System and method for stimulating multiple production zones in a wellbore with a tubing deployed ball seat
#22 | 2008-01-17Low pressure-set packer
#23 | 2006-04-04Downhole axial force generating tool
#24 | 2006-02-02Retrievable center bit
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