Company Filing History:
5 out of 12 
2 out of 2 Years Active: 1976-1997
Title: The Innovative Contributions of Donald F. Graveman
Introduction
Donald F. Graveman is a notable inventor based in St. Charles, MO (US), recognized for his significant contributions to the field of shredding apparatuses. With a total of 7 patents to his name, Graveman has developed innovative solutions that enhance the efficiency and effectiveness of hammermill technology.
Latest Patents
Among his latest patents, Graveman has introduced the "Hammermill with Intersticed Multilength Hammers." This invention features a rotor assembly with hammer elements of varying lengths, designed to optimize material processing. The apparatus includes a grate with alternating thicker and thinner portions, allowing for the effective handling of longer hammers. Additionally, the design incorporates a comb assembly that prevents undesirable material accumulation during operation. Another significant patent is the "Double Rotor Hammermill," which consists of two rotors equipped with both long and short hammers. This configuration allows for close interaction between the hammers, enhancing the reduction of tough materials such as automobile tires, as well as lighter materials like paper and aluminum cans.
Career Highlights
Graveman has had a distinguished career, working with reputable companies such as American Pulverizer Company and Magnatech Engineering Incorporated. His experience in these organizations has contributed to his expertise in developing advanced hammermill technologies.
Collaborations
Throughout his career, Graveman has collaborated with notable individuals, including Sven B. Strom and William F. Graveman. These partnerships have fostered innovation and the exchange of ideas in the field of shredding technology.
Conclusion
Donald F. Graveman's inventive spirit and dedication to improving hammermill technology have made a lasting impact in the industry. His patents reflect a commitment to innovation and efficiency, solidifying his reputation as a leading inventor in the field.
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.