Company Filing History:
2 out of 128 
1 out of 99 
1 out of 31 Years Active: 1979-1988
Title: Innovator Calvin Rushforth: Patenting Progress in Engineering
Introduction
Calvin Rushforth, an inventive mind based in Andover, MA, has made significant contributions to engineering through his five patents. His innovations reflect a strong understanding of mechanics and fluid dynamics, providing solutions for various industrial applications.
Latest Patents
Among his notable inventions is the **Expansible Coupling**. This design features a sleeve that accommodates a pair of tubular elements. One tubular element is securely pinned to the sleeve, while the other has a specifically restricted, axially-movable relationship with the sleeve. The innovative coupling's terminal ends are positioned in a mutually confronting manner, supplemented by circular and resilient discs that flex to manage the expansion and contraction of the tubular components.
Another noteworthy invention is the **Particulate Dispersion Apparatus**. This apparatus is designed to facilitate the dispersion of particulate powder using an energized gas. The housing of the device includes a chamber with two ports: one for the energized gas and another for the powder. Tubes conduct the powder, while ejector nozzles create fine streams of gas that draw the powder into the stream for effective dissemination.
Career Highlights
Calvin Rushforth's career has seen him work with distinguished companies such as Kennecott Corporation and Kennecott Copper Corporation. His engineering prowess and innovative thinking have played a vital role in advancing technologies within these organizations.
Collaborations
Rushforth has collaborated with notable colleagues, including Walter L. Brassert and George Shinopulos. These partnerships have likely fueled the creative process and contributed to the success of his inventions.
Conclusion
Calvin Rushforth's work exemplifies the fusion of practical engineering with innovative thinking. His patents serve as valuable resources within their respective fields and showcase the impact of his ingenuity on modern technologies.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.