Location History:
- London, EN (1976 - 1978)
- Chippenham, Wilts., GB (1981)
- London, GB (1978 - 1982)
- Chippenham, GB (1982 - 1988)
Company Filing History:
24 out of 79 
1 out of 7 
1 out of 832,961 Years Active: 1976-1988
Title: The Innovative Contributions of David J Wickham
Introduction
David J Wickham, an accomplished inventor based in Chippenham, GB, boasts an impressive portfolio of 25 patents. His innovative spirit and technical expertise have led to significant advancements in the field of electric actuators, making substantial contributions to the industry.
Latest Patents
Wickham’s latest patents include pioneering designs for electric actuators. One notable invention is a spring-applied force actuator, capable of moving an output member from a first position to a second output position. This design features a first power spring that generates an output force when the member is in its second position, allowing for effective use of stored potential energy. Additionally, a second spring is incorporated to release the potential energy, enabling the output member to return from its second position to its first.
Another significant invention by Wickham is an electrically-controlled force-exerting actuator. This device comprises a force-applying power spring that exerts a predetermined force on an output member. It also includes a control spring that adjusts the net force exerted on the output member, while an electric motor modifies the force exerted by the control spring to achieve precise control over the actuator's output.
Career Highlights
David J Wickham has made notable contributions while working with prestigious companies such as Westinghouse Brake and Signal Company Limited and Westinghouse Brake & Signal. His experience in these organizations has allowed him to cultivate a deep understanding of actuator technologies and their various applications.
Collaborations
Throughout his career, Wickham has collaborated with esteemed coworkers, including professionals like Jack Washbourn and Howard F. Cogan. These partnerships have enriched his projects and propelled innovative developments in automotive and industrial technologies.
Conclusion
David J Wickham's extensive patent portfolio and innovative spirit underscore his pivotal role in advancing actuator technologies. His creations not only enhance the functionality of modern devices but also reflect the dedication and ingenuity of a true inventor. As Wickham continues to explore new frontiers in his field, his contributions will undoubtedly inspire future innovations.