Jonker; Cornelis Roelof

Patent Applications and Registrations

Patent applications and USPTO patent grants for Jonker; Cornelis Roelof.The latest application filed is for "cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods".

Company Profile

1.23.26

Jonker; Cornelis Roelof - Gauteng ZA
Jonker; Cornelis Roelof - Springs ZA
Jonker; Cornelis Roelof - Olympus ZA
Jonker; Cornelis Roelof - Pretoria ZA
Jonker; Cornelis Roelof - District Pretoria ZA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods Grant 10,337,255 - DiGiovanni , et al.	2019-07-02
Polycrystalline superhard material and method for making same Grant 10,071,354 - Jonker , et al. September 11, 2	2018-09-11
Cutting inserts and method for making same Grant 10,071,355 - Olofsson , et al. September 11, 2	2018-09-11
Twist drill tips, precursor constructions for use in making same, and methods for making and using same Grant 9,975,185 - Kasonde , et al. May 22, 2	2018-05-22
Superhard tool tip, method for making same and tool comprising same Grant 9,844,814 - Jonker , et al. December 19, 2	2017-12-19
Insert for an attack tool, method for making same and tools incorporating same Grant 9,566,688 - Jonker , et al. February 14, 2	2017-02-14
Tip for a pick tool, method of making same and pick tool comprising same Grant 9,562,431 - Fries , et al. February 7, 2	2017-02-07
Cutting Elements For Earth-boring Tools, Earth-boring Tools Including Such Cutting Elements, And Related Methods App 20160130882 - DiGiovanni; Anthony A. ; et al.	2016-05-12
Pick tool and assembly comprising same Grant 9,334,731 - Jonker , et al. May 10, 2	2016-05-10
Tips for pick tools and pick tools comprising same Grant 9,334,730 - Sanan , et al. May 10, 2	2016-05-10
Tip for degradation tool and tool comprising same Grant 9,249,662 - Jonker , et al. February 2, 2	2016-02-02
Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods Grant 9,243,452 - DiGiovanni , et al. January 26, 2	2016-01-26
Super-hard tip for a pick tool and pick tool comprising same Grant 9,234,423 - Bush , et al. January 12, 2	2016-01-12
Pick tool Grant 9,097,111 - Jonker , et al. August 4, 2	2015-08-04
Pick assembly, pick holder for same, pick tool for same and strike element for same Grant 9,080,294 - Jonker , et al. July 14, 2	2015-07-14
Cutting Inserts And Method For Making Same App 20150151362 - Olofsson; Bo Christer ; et al.	2015-06-04
Polycrystalline Superhard Material And Method For Making Same App 20150041225 - Jonker; Cornelis Roelof ; et al.	2015-02-12
Pick Tool And Assembly Comprising Same App 20150035342 - Jonker; Cornelis Roelof ; et al.	2015-02-05
Super-hard Tip For A Pick Tool And Pick Tool Comprising Same App 20140361601 - Bush; Peter ; et al.	2014-12-11
Tip For A Pick Tool, Method Of Making Same And Pick Tool Comprising Same App 20140265530 - Fries; Robert ; et al.	2014-09-18
Twist Drill Tips, Precursor Constructions For Use In Making Same, And Methods For Making And Using Same App 20140186132 - Kasonde; Maweja ; et al.	2014-07-03
Tips For Pick Tools And Pick Tools Comprising Same App 20140139008 - Sanan; Matthew Alan ; et al.	2014-05-22
Tip For Degradation Tool And Tool Comprising Same App 20140084669 - Jonker; Cornelis Roelof ; et al.	2014-03-27
Pick Tool App 20140062163 - Jonker; Cornelis Roelof ; et al.	2014-03-06
Pick Assembly, Pick Holder For Same, Pick Tool For Same And Strike Element For Same App 20140015305 - Jonker; Cornelis Roelof ; et al.	2014-01-16
Cutting Elements For Earth-boring Tools, Earth-boring Tools Including Such Cutting Elements, And Related Methods App 20130068538 - DiGiovanni; Anthony A. ; et al.	2013-03-21
Superhard Tool Tip, Method For Making Same And Tool Comprising Same App 20130047397 - Jonker; Cornelis Roelof ; et al.	2013-02-28
Polycrystalline diamond abrasive compacts Grant 8,231,698 - De Leeuw-Morrison , et al. July 31, 2	2012-07-31
Abrasive Inserts App 20110274885 - Jonker; Cornelis Roelof ; et al.	2011-11-10
Insert For An Attack Tool, Method For Making Same And Tools Incorporating Same App 20110226532 - Jonker; Cornelis Roelof ; et al.	2011-09-22
Superhard Body, Tool And Method For Making Same App 20110176879 - Jonker; Cornelis Roelof ; et al.	2011-07-21
Polycrystalline Diamond Abrasive Compacts App 20100064595 - De Leeuw-Morrison; Barbara Marielle ; et al.	2010-03-18
Polycrystalline Diamond Abrasive Compacts App 20100000158 - De Leeuw-Morrison; Barbara Marielle ; et al.	2010-01-07
Composite abrasive compact App 20070186483 - Tank; Klaus ; et al.	2007-08-16
Composite abrasive compact App 20060166615 - Tank; Klaus ; et al.	2006-07-27

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