Location History:
- Benton City, WA (US) (1976)
- Richland, WA (US) (1976 - 1985)
- Kennewick, WA (US) (1990 - 2009)
Company Filing History:
1 out of 2,546 
1 out of 17 
1 out of 3,975 
Years Active: 1976-2009
Title: Innovations of Peter Riggle
Introduction
Peter Riggle is a notable inventor based in Richland, WA (US). He holds a total of five patents, showcasing his contributions to the field of engineering and technology. His work primarily focuses on improving mechanical systems, particularly in audio and energy applications.
Latest Patents
Among his latest patents, Riggle has developed a phonograph tone arm mounting system that enhances the damping of vibrations in tone arm systems. This innovative design includes an adjuster screw that allows for precise vertical tracking angle adjustments, improving the overall signal quality. Additionally, he has created a stabilized free-piston Stirling cycle machine, which utilizes a unique hydraulic circuit to control the displacer's motion, thereby optimizing engine performance.
Career Highlights
Throughout his career, Riggle has worked with various organizations, including the United States of America as represented by the Administrator. His inventions reflect a deep understanding of mechanical dynamics and a commitment to advancing technology.
Collaborations
Riggle has collaborated with notable individuals in his field, including Stuart G. Emigh and Jack E. Noble. Their combined expertise has contributed to the successful development of innovative technologies.
Conclusion
Peter Riggle's contributions to innovation and invention are significant, particularly in the areas of audio technology and energy systems. His patents demonstrate a commitment to enhancing mechanical performance and signal quality.