Company Filing History:
1 out of 1 
4 out of 832,761 Years Active: 1977-1988
Title: Innovations of James D Cunningham
Introduction
James D Cunningham is a notable inventor based in Boulder, Colorado. He has made significant contributions to the field of impact devices, holding a total of five patents. His innovative designs focus on enhancing the efficiency and effectiveness of demolition and percussion tools.
Latest Patents
Cunningham's latest patents include a high impact device and method designed to produce an impact of 1,000 foot pounds or more. This device features a ram that is engageable by a pair of rotating flywheels. The design allows for the ram to impact various tools, such as chisel types adapted for demolition purposes. By terminating the engagement of the flywheels with the ram prior to impact, the device minimizes vibration and conserves energy. Another embodiment includes a hydraulic cylinder that moves one flywheel while a heavy coil spring returns energy to the ram, enhancing its downward movement.
Career Highlights
Throughout his career, Cunningham has worked with various companies, including JBD Corporation. His experience in the industry has allowed him to develop innovative solutions that address the challenges faced in demolition and construction.
Collaborations
Cunningham has collaborated with notable individuals, including his coworker James E Smith. These partnerships have contributed to the advancement of his inventions and the development of new technologies.
Conclusion
James D Cunningham's contributions to the field of impact devices demonstrate his innovative spirit and dedication to improving tool efficiency. His patents reflect a commitment to advancing technology in demolition and construction.