Location History:
- Los Altos Hills, CA (US) (1976)
- Salt Lake City, UT (US) (1984 - 1987)
- Arnold, MO (US) (1999)
Company Filing History:
2 out of 2 
1 out of 1 
1 out of 1 Years Active: 1976-1999
Title: **The Innovative Contributions of Charles H. Graham**
Introduction
Charles H. Graham, a prolific inventor based in Salt Lake City, Utah, has made significant contributions to the field of medical devices through his innovative inventions. With a total of 10 patents to his name, Graham’s work focuses on enhancing the efficiency and reliability of therapeutic equipment.
Latest Patents
Among Graham's latest inventions is the **therapeutic gas flow meter and monitor**. This advanced flow meter is designed with a robust body, featuring an inlet that connects to a gas source and an outlet. A key component of this invention is the valve that controls the outlet, equipped with a valve seat, a valve shaft that moves axially, and a valve member that engages or disengages the valve seat based on its position. The innovation lies in the integration of sensors which track the position of the valve member and generate corresponding signals. In one embodiment, an infrared light emitter and photo-detector monitor the valve member’s position by measuring changes in light intensity. Other embodiments utilize a potentiometer or a magnetic field detector to ascertain the valve member's position, showcasing Graham's versatility in sensor technology.
Another noteworthy invention by Graham is the **wastebasket frame**, further highlighting his capability to create practical solutions for everyday problems.
Career Highlights
Throughout his career, Charles H. Graham has worked with various companies, primarily contributing to medical and thermal technologies. His involvement at **Intermountain Thermafloor** exemplifies his commitment to advancing technological solutions that address healthcare needs.
Collaborations
Graham has collaborated with talented engineers and inventors, including Alonzo C. Aylsworth and Gregory R. Miller. Their partnership has undoubtedly fostered an environment of creativity, leading to the successful development of innovative products.
Conclusion
Charles H. Graham’s contributions to patentable innovations in the field of medical technology underscore his role as an important figure in contemporary invention. With ten patents and a focus on therapeutic devices, Graham continues to impact healthcare positively, reflecting the essence of innovation in addressing real-world challenges.