Company Filing History:
Years Active: 2006-2012
Title: Innovations by John (Youhe) Zhang
Introduction
John (Youhe) Zhang is an accomplished inventor based in Tomball, TX (US). He has made significant contributions to the field of cutting elements and drill bit technology. With a total of 3 patents to his name, Zhang continues to push the boundaries of innovation in his industry.
Latest Patents
One of Zhang's latest patents is for a cutting element having a stress reduced interface. This invention includes an ultra-hard body, such as diamond, attached to a substrate made of cermet. The design features an interface between the body and substrate, with an angle of departure that is less than 90 degrees, which helps to reduce stress along the interface. The angle of departure can range from 3 to 87 degrees, and is achieved through a surface feature, such as a groove, that is disposed circumferentially around the outer side surface of the cutting element.
Another notable patent is for a high-strength/high toughness alloy steel drill bit blank. This invention involves drill bit reinforcing members formed from high-strength steels with specific carbon content and mechanical properties. The steel is designed to withstand high yield and tensile strength, making it suitable for demanding drilling applications. The composition includes a range of elements such as manganese, chromium, nickel, and molybdenum, ensuring optimal performance during use.
Career Highlights
John (Youhe) Zhang is currently employed at Smith International, Inc., where he applies his expertise in developing innovative drilling solutions. His work has significantly impacted the efficiency and effectiveness of drilling operations.
Collaborations
Zhang has collaborated with notable coworkers, including Kumar T Kembaiyan and Thomas W Oldham, contributing to various projects that enhance drilling technologies.
Conclusion
John (Youhe) Zhang is a prominent inventor whose work in cutting elements and drill bit technology has led to several patents. His innovative designs continue to shape the industry and improve drilling performance.