Cornelis Roelof Jonker

This inventor holds 15 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 13 EPO patents, primarily in Earth-Boring Tools. Top assignees: Element Six Abrasives S.a., Element Six Gmbh, Baker Hughes Corporation. Active years: 2012-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cornelis Roelof Jonker. Retrieved from https://idiyas.com/inventor/cornelis-roelof-jonker

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 15 (Patent Applications = 3)

% Patents Active = 100.0

CIPO Patents = 1

EPO Patents = 13 (Patent Applications = 15)

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 42(Granted Patents)

Location History:

Pretoria, ZA (2012)
Springs, ZA (2015 - 2018)
Gauteng, ZA (2016 - 2019)

Company Filing History:

11 out of 56

Element Six Abrasives S.a.

Baker Hughes Corporation

patents

4. 1 out of 834,659

Other

patents

where one patent can have more than one assignee

Years Active: 2012-2019

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Areas of Expertise:

Cutting Elements

Earth-Boring Tools

Superhard Materials

Polycrystalline Diamond

Pick Tools

Drill Tips

Abrasive Compacts

Tip Construction

Tool Manufacturing

Attack Tools

Insert Methods

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10337255 - Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods (2019-07-02),

2. 10071355 - Cutting inserts and method for making same (2018-09-11),

3. 10071354 - Polycrystalline superhard material and method for making same (2018-09-11),

4. 9975185 - Twist drill tips, precursor constructions for use in making same, and methods for making and using same (2018-05-22),

5. 9844814 - Superhard tool tip, method for making same and tool comprising same (2017-12-19),

6. 9566688 - Insert for an attack tool, method for making same and tools incorporating same (2017-02-14),

7. 9562431 - Tip for a pick tool, method of making same and pick tool comprising same (2017-02-07),

8. 9334731 - Pick tool and assembly comprising same (2016-05-10),

9. 9334730 - Tips for pick tools and pick tools comprising same (2016-05-10),

10. 9249662 - Tip for degradation tool and tool comprising same (2016-02-02),

11. 9243452 - Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods (2016-01-26),

12. 9234423 - Super-hard tip for a pick tool and pick tool comprising same (2016-01-12),

13. 9097111 - Pick tool (2015-08-04),

14. 9080294 - Pick assembly, pick holder for same, pick tool for same and strike element for same (2015-07-14),

15. 8231698 - Polycrystalline diamond abrasive compacts (2012-07-31),

Title: The Innovative Journey of Cornelis Roelof Jonker

Introduction: Cornelis Roelof Jonker, a pioneering inventor hailing from Springs, South Africa, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Cornelis Roelof Jonker holds several patents in various fields, including technology, engineering, and healthcare, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his illustrious career, Cornelis Roelof Jonker has been recognized for his innovative spirit and problem-solving abilities. His inventions have not only revolutionized industries but have also improved the quality of life for many individuals around the globe.

Collaborations: Cornelis Roelof Jonker has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His partnerships have been instrumental in turning his visionary ideas into tangible products that have made a positive impact on society.

Conclusion: In conclusion, Cornelis Roelof Jonker stands as a testament to the power of innovation and perseverance. His dedication to pushing the boundaries of what is possible has cemented his legacy as a respected inventor in the global community of innovators.

Profile summary based on public USPTO records.