Guodong Zhan

This inventor holds 16 USPTO granted patents and 3 published patent applications, plus 2 CIPO patents and 4 EPO patents, primarily in Polycrystalline Diamond Technology. Top assignees: Smith International, Inc., National Oilwell Dht, L.p., National Oilwell Varco, L.p.. Active years: 2011-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Guodong Zhan. Retrieved from https://idiyas.com/inventor/guodong-zhan-x5fi6yzt

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

Calculating rank

USPTO Granted Patents = 16 (Patent Applications = 3)

% Patents Active = 81.3

CIPO Patents = 2

EPO Patents = 4 (Patent Applications = 3)

Average Co-Inventor Count = 4.2

ph-index = 5

Forward Citations = 67(Granted Patents)

Location History:

The Woodlands, TX (US) (2019)
Spring, TX (US) (2011 - 2020)

Company Filing History:

9 out of 1,426

Smith International, Inc.

patents

5 out of 63

National Oilwell Dht, L.p.

patents

2 out of 593

National Oilwell Varco, L.p.

patents

Years Active: 2011-2020

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Areas of Expertise:

Polycrystalline Diamond

Cutting Elements

Manufacturing Methods

Diamond Coatings

CVD Diamonds

Nanostructures

Hardfacing Materials

High Pressure Leaching

Atomic Layer Deposition

Ultra Hard Materials

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10570667 - Polycrystalline diamond cutting element (2020-02-25),

2. 10480252 - Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements (2019-11-19),

3. 10214812 - Cutter elements for drill bits and methods for fabricating same (2019-02-26),

4. 10119340 - Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements (2018-11-06),

5. 10076824 - Polycrystalline diamond construction with controlled gradient metal content (2018-09-18),

6. 9981362 - Apparatus and methods for high pressure leaching of polycrystalline diamond cutter elements (2018-05-29),

7. 9976231 - Fixed cutter drill bit cutter elements including hard cutting tables made from CVD synthetic diamonds (2018-05-22),

8. 9297211 - Polycrystalline diamond construction with controlled gradient metal content (2016-03-29),

9. 9193037 - Preparation of nanocrystalline diamond coated diamond particles and applications thereof (2015-11-24),

10. 9156136 - Systems and methods for vapor pressure leaching polycrystalline diamond cutter elements (2015-10-13),

11. 8919463 - Polycrystalline diamond cutting element (2014-12-30),

12. 8875813 - Atomic layer deposition nanocoatings on cutting tool powder materials (2014-11-04),

13. 8617274 - Pulsed electrical field assisted or spark plasma sintered polycrystalline ultra hard material and thermally stable ultra hard material cutting elements and compacts and methods of forming the same (2013-12-31),

14. 8567531 - Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements (2013-10-29),

15. 8056652 - Barrier coated granules for improved hardfacing material using atomic layer deposition (2011-11-15),

Title: Guodong Zhan: Innovator in Polycrystalline Diamond Technology

Introduction

Guodong Zhan is a prominent inventor based in Spring, TX (US), known for his significant contributions to the field of polycrystalline diamond technology. With a total of 16 patents to his name, Zhan has made remarkable advancements in cutting elements used for drilling applications.

Latest Patents

One of Zhan's latest patents is a polycrystalline diamond cutting element designed for drill bits in downhole tools. This cutting element features a substrate and a diamond table that is bonded to the substrate. The diamond table includes a diamond filler with at least one leached polycrystalline diamond segment packed along at least one working surface. The innovative design allows for the diamond table to be positioned on the substrate and bonded effectively, utilizing methods such as spark plasma sintering or double press operations. Another notable patent involves cutting elements that incorporate polycrystalline diamond bodies, which are engineered for subterranean drilling. These cutting elements are characterized by a high diamond content, enhancing thermal stability, wear resistance, and impact resistance compared to previous designs.

Career Highlights

Throughout his career, Guodong Zhan has worked with notable companies such as Smith International, Inc. and National Oilwell Varco, L.P. His expertise in the field has led to the development of cutting-edge technologies that have significantly impacted the drilling industry.

Collaborations

Zhan has collaborated with esteemed colleagues, including Youhe Zhang and Yuelin Shen, contributing to the advancement of polycrystalline diamond technologies.

Conclusion

Guodong Zhan's innovative work in polycrystalline diamond cutting elements has established him as a key figure in the drilling technology sector. His patents reflect a commitment to improving the performance and durability of drilling tools, showcasing his expertise and dedication to innovation.

Profile summary based on public USPTO records.