Company Filing History:
Years Active: 1983-1988
Title: Innovations by Patrick E McDonald
Introduction
Patrick E McDonald is a notable inventor based in Houston, Texas. He has made significant contributions to the field of engineering, particularly in the development of innovative solutions for pipe connections. With a total of three patents to his name, McDonald has demonstrated a commitment to advancing technology in his industry.
Latest Patents
One of McDonald's latest patents is titled "Tubular pin configuration to prevent galling while ensuring sealing." This invention features a tubular connection that includes a shallowly tapered conical sealing surface. The design incorporates multiple angles and surface texturing to enhance lubricant retention, facilitate burnishing, and reduce galling during repeated make-ups and break-outs. The pin taper is slightly less than the box taper, allowing for a smoother seal surface that maintains gas-tight integrity under high pressure and severe conditions. Another significant patent is for a "Pipe joint," which utilizes engaging shoulders on the pin and box to mechanically lock the joint in its made-up position by extruding metal laterally into grooves.
Career Highlights
McDonald has spent a considerable part of his career at Hydril Company, where he has been instrumental in developing innovative products that enhance the performance and reliability of pipe connections. His work has not only contributed to the company's success but has also set new standards in the industry.
Collaborations
Throughout his career, McDonald has collaborated with esteemed colleagues such as Charles A Bollfrass and Leonard S Landriault. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Patrick E McDonald is a distinguished inventor whose work has significantly impacted the engineering field. His innovative patents and contributions to Hydril Company exemplify his dedication to advancing technology and improving industry standards.