Location History:
- Fort Worth, TX (US) (1988)
- Stephenville, TX (US) (1989 - 2012)
Company Filing History:
1 out of 1 
1 out of 2 
1 out of 447 
Years Active: 1988-2012
Title: The Innovations of Donald L. Douglas
Introduction
Donald L. Douglas is a notable inventor based in Stephenville, TX (US). He has made significant contributions to the field of engineering, particularly in the development of innovative devices. With a total of 3 patents to his name, Douglas has demonstrated a commitment to advancing technology through his inventive spirit.
Latest Patents
One of his latest patents is a turbine flow meter having an easily removable meter cartridge. This turbine flow meter comprises a flow pipe that includes an axial through bore and a meter cartridge positioned within it. The meter cartridge features a tubular housing through which the fluid to be measured is directed, along with a rotor that is rotatably supported in the housing. The design allows for easy removal and maintenance, enhancing the efficiency of fluid measurement.
Another significant patent is for an apparatus for injecting balls into a well. This ball dispenser is designed to dispense balls into a flow line leading into a well. It features a subassembly that slides into and out of a cylindrical housing, with a shaft that rotates within an array of vertical guide members. The innovative design includes a helical flight secured to the shaft, allowing for efficient loading and dispensing of balls.
Career Highlights
Throughout his career, Donald L. Douglas has worked with various companies, including Special Projects Manufacturing, Inc. His experience in these organizations has contributed to his expertise in developing practical solutions for complex engineering challenges.
Collaborations
Douglas has collaborated with notable individuals in his field, including Dan E. Lowrance and David W. Merryfield. These collaborations have likely enriched his work and led to further innovations.
Conclusion
Donald L. Douglas is a distinguished inventor whose work has significantly impacted the engineering landscape. His innovative patents and collaborations reflect his dedication to advancing technology and improving industry practices.