Location History:
- Greenfield, WI (US) (1977)
- Appleton, WI (US) (1982)
Company Filing History:
Years Active: 1977-1982
Title: Innovations by Donald L. Murray in Asphalt Technology
Introduction
Donald L. Murray, an innovative inventor based in Greenfield, Wisconsin, holds four patents that showcase his expertise in asphalt technology. His contributions have made significant advancements in the efficiency and effectiveness of asphalt plants.
Latest Patents
Among his latest inventions, the "Auto-sampler and feed chute for an asphalt plant" stands out. This design features an aggregate feed chute equipped with a diverter wall, enabling selective actuation to capture the entire discharge stream of a material conveyor for sampling purposes. This advancement eliminates the need to move the feed chute concerning the drum mixer or the conveyor.
Another notable patent is the "Aggregate storage anti-segregation arrangement for a storage bin." This invention integrates an anti-segregation device within an asphalt mixture storage bin to prevent the segregation of large aggregate pieces. Constructed from plate steel, the device takes the form of a frustrum of a cone and is suspended within the aggregate discharge stream. The arrangement promotes the formation of a small central conical pile with a series of uneven deposits, creating a donut-like configuration around it.
Career Highlights
Donald L. Murray has built a reputable career at Allis-Chalmers Corporation, where he has been instrumental in developing solutions that enhance asphalt processing. His work in the industry is characterized by his innovative spirit and dedication to engineering excellence.
Collaborations
Throughout his career, Murray has collaborated with esteemed coworkers, including John N. Lees, Jr. and Frank W. Toman, Jr. These partnerships have allowed for the sharing of ideas and expertise, further pushing the boundaries of asphalt technology.
Conclusion
Donald L. Murray's inventions represent a valuable contribution to the asphalt industry. With his innovative patents and collaborative efforts at Allis-Chalmers Corporation, he continues to influence advancements that improve efficiency and quality in asphalt production.