This inventor holds 5 USPTO granted patents. Top assignees: Quad Environmental Technologies Corp., Other. Active years: 1981-1993.
Company Filing History:
3 out of 9 
2 out of 834,411 Years Active: 1981-1993
Title: Harold J. Rafson: Innovator in Environmental Technologies
Introduction
Harold J. Rafson, an accomplished inventor based in Highland Park, Illinois, has made significant contributions to the field of environmental technologies. With a total of five patents to his name, his work focuses on the removal of volatile contaminants from various mediums, particularly soils and air streams. His innovations not only demonstrate technical ingenuity but also address critical environmental challenges.
Latest Patents
Among his latest patents, Rafson has developed a groundbreaking process for removing volatile contaminants from granular materials. This innovative process utilizes steam at superatmospheric pressure to treat soils and granular solids, effectively cleaning them by removing volatile organic compounds and other contaminants. The procedure involves rapidly reducing the pressure to flash off the steam and vaporized contaminants, resulting in a purified soil product. Additionally, he has patented a method for removing volatile organic compounds from air streams. This process employs a suspension of tiny aqueous droplets that possess a significantly higher internal pressure than that of the surrounding atmosphere, allowing for efficient capture of hazardous chemicals such as hydrocarbons and halogenated compounds. The droplets undergo coalescence after absorbing the volatile compounds, and the resultant liquid effluent can be disposed of safely.
Career Highlights
Rafson has an impressive career background, including working at Quad Environmental Technologies Corporation. His expertise in environmental engineering and innovative problem-solving has established him as a prominent figure in his field. His patents underline the practical applications of his research, contributing to cleaner environments and public health safety.
Collaborations
Throughout his career, Rafson has collaborated with skilled professionals, including his coworker Egbert deVries. Such partnerships have fostered an environment of innovation and have led to significant advancements in their respective fields.
Conclusion
Harold J. Rafson's work exemplifies the intersection of innovation and environmental stewardship. His patented processes for removing volatile contaminants represent important advancements in technology aimed at protecting human health and the environment. As a dedicated inventor, Rafson continues to inspire future generations of innovators in the environmental sector.