Calgary
Canada
29
2022-06-09
The entities that hold a legal rights for patent applications filed by inventor Getzlaf Donald:
Donald Getzlaf from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Casing float tool
#2 | 2021-04-22CASING FLOAT TOOL
#3 | 2020-10-22Casing float tool
#4 | 2020-07-30Casing float tool
#5 | 2019-11-28CASING FLOAT TOOL
#6 | 2019-11-21TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE
#7 | 2019-10-17TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE
#8 | 2018-08-16Fracturing valve and fracturing tool string
#9 | 2018-07-19Casing float tool
#10 | 2017-11-02TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE
#11 | 2017-05-18Casing float tool
#12 | 2016-10-13TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE
#13 | 2016-01-14Tools and methods for use in completion of a wellbore
#14 | 2016-01-07Tools and methods for use in completion of a wellbore
#15 | 2015-03-26Fracturing valve and fracturing tool string
#16 | 2015-03-19Downhole isolation and depressurization tool
#17 | 2015-01-15FRACTURING VALVE
#18 | 2014-12-11CEMENT COMPOSITION WITH FLY ASH
#19 | 2014-10-16Tools and methods for use in completion of a wellbore
#20 | 2014-08-07Casing float tool
#21 | 2013-11-14Downhole assembly with debris relief, and method for using same
#22 | 2013-09-26Downhole isolation and depressurization tool
#23 | 2013-07-18Downhole Fluid Treatment Tool
#24 | 2013-05-30Tool assembly including an equalization valve
#25 | 2013-03-21Tools and methods for use in completion of a wellbore
#26 | 2012-04-19Tools and methods for use in completion of a wellbore
#27 | 2012-03-08Multi-functional isolation tool and method of use
#28 | 2011-08-18Downhole tool assembly with debris relief, and method for using same
#29 | 2009-12-03Method for applying remedial cement to a wellbore
146489 ⎘