Company Filing History:
1 out of 34 
1 out of 2 
1 out of 1 Years Active: 1997-2023
Title: Mark A Colebrook: Innovator in Changing Tables and Rotary Seals
Introduction
Mark A Colebrook is a notable inventor based in Cheltenham, GB. He has made significant contributions to the fields of changing tables and rotary seals, holding a total of three patents. His innovative designs reflect a commitment to enhancing functionality and safety in everyday products.
Latest Patents
One of Colebrook's latest patents is for a changing table. This changing table features a changing surface made from a sheet of semi-rigid material. The design includes a support system that provides an average spring rate in extension of more than 300 N/mm, ensuring stability and safety during use. Another significant patent is for a rotary seal for directional drilling tools. This rotary valve assembly is designed to direct the flow of abrasive-laden drilling fluid, featuring sealing surfaces that allow fluid pressure to equalize through interconnected voids. This innovation has effectively addressed the hydraulic lock problem previously encountered during startup.
Career Highlights
Throughout his career, Colebrook has worked with reputable companies such as Camco Drilling Group Limited and Schlumberger Wcp Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions in drilling technology and product design.
Collaborations
Some of his notable coworkers include Peter Raymond Hughes and Nigel Dennis Griffin. Their collaboration has likely fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.
Conclusion
Mark A Colebrook's contributions to the fields of changing tables and rotary seals demonstrate his innovative spirit and dedication to improving product functionality. His patents reflect a deep understanding of engineering principles and a commitment to solving real-world problems.