This inventor holds 5 USPTO granted patents. Top assignees: Economy Controls Corporation, Other. Active years: 1980-2012.
Location History:
- Glendale, MO (US) (1980)
- Brookline, MA (US) (1988)
- St. Louis, MO (US) (1993 - 2005)
- Webster Groves, MO (US) (2012)
Company Filing History:
1 out of 1 
4 out of 834,307 Years Active: 1980-2012
Title: The Innovations of William H. Freeman
Introduction
William H. Freeman is a notable inventor based in St. Louis, MO (US). He has made significant contributions to the field of engineering, particularly in the development of advanced fluid transfer systems. With a total of 5 patents to his name, Freeman's work showcases his commitment to innovation and efficiency.
Latest Patents
Freeman's latest patents include a "Controlled Liquid Injection and Blending Apparatus." This invention provides a liquid injection and ratio control system designed for blending an additive into a main flow line at a controlled ratio. The system is equipped to automatically detect variances in temperature, pressure, and additive concentration, providing necessary compensation. Additionally, it features automatic flow detection, calibration responsive to a level gauge, automated data collection, and wireless bi-directional communication.
Another significant patent is the "Closed Loop Fluid Transfer System for Liquid Supply and Vapor Recovery." This invention introduces a single-point connection apparatus for a closed fluid transfer delivery system. It allows for the transfer of liquid from a chemical delivery vessel to a chemical-receiving device, such as a dry cleaning machine, while ensuring the return flow of vapor to the delivery vessel. The design includes a filling valve and a relief valve mechanism that ensures continuous, uninterrupted liquid flow and vapor recovery.
Career Highlights
Throughout his career, Freeman has worked with various companies, including Economy Controls Corporation. His experience in these organizations has contributed to his expertise in fluid transfer technologies and systems.
Collaborations
Freeman has collaborated with notable individuals in his field, including John H. Scandrett and David Golden. These partnerships have likely enhanced his innovative capabilities and broadened his impact on the industry.
Conclusion
William H. Freeman's contributions to fluid transfer technology exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a deep understanding of the complexities involved in liquid handling systems, making him a significant figure in his field.