This inventor holds 5 USPTO granted patents. Top assignees: Smith International, Inc., Bourns Incorporated. Active years: 1977-1988.
Company Filing History:
Years Active: 1977-1988
Title: Innovations by James N McPherson
Introduction
James N McPherson is a notable inventor based in Orange, CA (US). He has made significant contributions to the field of engineering, particularly in the development of advanced bearing technologies. With a total of 5 patents, McPherson's work has had a substantial impact on various industrial applications.
Latest Patents
One of his latest patents is focused on cooling networks for polycrystalline diamond (PCD) bearing surfaces. This innovation addresses the challenge of maintaining optimal temperatures in PCD wear surfaces, preventing thermal degradation under high loads. The design incorporates segmented diamond wear surfaces that create interrupt channels, allowing cooling fluid to flow and effectively manage energy build-up. The increased velocity of fluid flow enhances the cooling effect, ensuring the longevity of the bearing surfaces.
Another significant patent by McPherson is the PCD enhanced radial bearing. This invention features bearing rings with PCD faced inserts, strategically mounted adjacent to tungsten carbide radial bearing surfaces. This configuration is particularly beneficial in down hole well drilling motors, as it minimizes excessive wear at the extremities of the radial bearing surface, which is crucial for controlled and steerable drilling applications.
Career Highlights
Throughout his career, McPherson has worked with prominent companies such as Smith International, Inc. and Bourns Incorporated. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects that push the boundaries of engineering.
Collaborations
Some of his notable coworkers include Allen Howe Andrews and John Thomas Burns, Jr. Their collaboration has likely fostered an environment of creativity and innovation, leading to advancements in their respective fields.
Conclusion
James N McPherson's contributions to the field of engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of advanced technologies in bearing systems.
