This inventor holds 26 USPTO granted patents and 1 published patent application, primarily in Metal Casting Technology. Top assignees: Pcc Airfoils, Inc., Trw Limited, General Electric Company. Active years: 1977-2013.
Location History:
- North Canton, OH (US) (1977)
- Chagrin Falls, OH (US) (1987 - 2013)
Company Filing History:
23 out of 54Â 
2 out of 3,081Â 
1 out of 52,369Â 
Years Active: 1977-2013
Areas of Expertise:
Title: Innovations and Contributions of Lawrence Donald Graham
Introduction
Lawrence Donald Graham, based in Chagrin Falls, Ohio, is an accomplished inventor recognized for his significant contributions to the field of metal casting. With a remarkable portfolio of 26 patents, Graham has developed innovative methods that enhance the efficiency and efficacy of casting processes in the manufacturing industry.
Latest Patents
Among his latest patents, Graham has introduced a groundbreaking "Method of forming a cast metal article." This invention involves the creation of a cast metal article with an internal cavity, achieved using a ceramic core. The innovation facilitates the removal of the core by filling its cavity with a leaching liquid, effectively leaving the desired cavity in the cast metal article. Another significant patent is the "Method of casting metal articles," where Graham outlines a process that optimizes heat transfer during the casting of metal articles. This method involves moving a mold into a container of molten metal, regulating the heat exchange rates, and ultimately improving the temperature control of the molten metal to produce quality castings.
Career Highlights
Graham has held key positions in organizations where his expertise in metal casting technology was instrumental. He has worked with companies such as PCC Airfoils, Inc. and TRW Limited, contributing to various projects that leverage his inventive skills to enhance manufacturing processes and develop new technologies.
Collaborations
Throughout his career, Lawrence has collaborated with talented professionals, including Arunachalam Jeyarajan and Louis H. Monte. These collaborations have allowed for the exchange of innovative ideas and have played a crucial role in the success of their projects.
Conclusion
Lawrence Donald Graham's contributions to the field of metal casting are profound, reflected in his numerous patents and the innovative techniques he has developed. His work not only demonstrates his inventiveness but also his commitment to advancing manufacturing technology, showcasing the vital role of inventors in shaping industry standards.