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For the Inventor, By the Inventor

Cypress, TX, United States of America

Leroy William Ledgerwood, Iii

This inventor holds 15 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Drilling Technology. Top assignees: Baker Hughes Corporation, Terratek, Inc.. Active years: 2001-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leroy William Ledgerwood, Iii. Retrieved from https://idiyas.com/inventor/leroy-william-ledgerwood-iii

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 

% Patents Active = 80.0

 

Average Co-Inventor Count = 2.3

ph-index = 6

Forward Citations = 107(Granted Patents)


Company Filing History:

goldMedal15 out of 5,728 
 
Baker Hughes Corporation
 patents
silverMedal1 out of 23 
 
Terratek, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2001-2019

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Areas of Expertise:
Drilling Performance
Earth-Boring Tools
Fluid Sampling
Rock Destruction
Drill Bit Design
Cutting Elements
Whirl Determination
Detritus Flow Management
High Pressure Conditions
Abrasivity Prediction
Nozzle Orientation
Interfacial Severity
15 patents (USPTO):Explore Patents
1. 10428591 - Structures for drilling a subterranean formation (2019-10-01),
2. 9650837 - Multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elements (2017-05-16),
3. 9410377 - Apparatus and methods for determining whirl of a rotating tool (2016-08-09),
4. 9097065 - Drill bit design for mitigation of stick slip (2015-08-04),
5. 9045955 - Detritus flow management features for drag bit cutters and bits so equipped (2015-06-02),
6. 8150667 - Discrete element modeling of rock destruction under high pressure conditions (2012-04-03),
7. 8025113 - Detritus flow management features for drag bit cutters and bits so equipped (2011-09-27),
8. 8002053 - System, method, and apparatus for predicting tracking by roller cone bits and anti-tracking cutting element spacing (2011-08-23),
9. 7926588 - Optimizing drilling performance using a selected drilling fluid (2011-04-19),
10. 7497256 - Method and apparatus for collecting fluid samples downhole (2009-03-03),
11. 7011170 - Increased projection for compacts of a rolling cone drill bit (2006-03-14),
12. 6386297 - Method and apparatus for determining potential abrasivity in a wellbore (2002-05-14),
13. 6354387 - Nozzle orientation for roller cone rock bit (2002-03-12),
14. 6353799 - Method and apparatus for determining potential interfacial severity for a formation (2002-03-05),
15. 6276465 - Method and apparatus for determining potential for drill bit performance (2001-08-21),

Title: The Innovative Contributions of Leroy William Ledgerwood, III

Introduction: Leroy William Ledgerwood, III, based in Cypress, Texas, is a notable inventor with an impressive portfolio of 15 patents. His contributions mainly focus on advancements in drilling technology, particularly in the design of earth-boring tools.

Latest Patents: Among his latest inventions are innovative structures for drilling subterranean formations. One of his key patents includes a cutting element for an earth-boring tool that incorporates a substrate and a volume of superabrasive material. This design features a unique cutting face with both recesses and protrusions, enhancing its effectiveness. Additionally, the patent outlines details such as the radial width of the chamfer surfaces, which range from approximately 0.002 inch to 0.045 inch, ensuring precision in drilling applications. Another notable patent involves multi-chamfer cutting elements that share similar features, further demonstrating his focus on improving earth-boring efficiency.

Career Highlights: Leroy has worked with reputable companies in the oil and gas industry, including Baker Hughes Corporation and Terratek, Inc. His roles in these organizations have allowed him to leverage his inventive skills to propel advancements in drilling technologies that are essential for evolving resource extraction methods.

Collaborations: Throughout his career, Leroy has collaborated with fellow professionals such as David Alexander Curry and Craig Hodges Cooley. These partnerships have likely facilitated the exchange of ideas and expertise, contributing to the development of innovative patentable technologies in their field.

Conclusion: Leroy William Ledgerwood, III stands out as a prolific inventor in the drilling technology domain. His patents showcase his commitment to advancing earth-boring tools, and his collaborations with industry peers only amplify his impact on the field. As drilling technology continues to evolve, his contributions will undoubtedly play a significant role in shaping its future.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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