Company Filing History:
2 out of 23 
1 out of 832,812 Years Active: 1979-1981
Title: Innovations by Richard Rettew: A Pioneer in Grinding Machine Technology
Introduction
Richard Rettew, a notable inventor based in Newmanstown, Pennsylvania, has made significant contributions to the field of grinding machine technology. With a total of three patents to his name, Rettew's innovations focus on enhancing the efficiency and precision of grinding processes.
Latest Patents
Rettew's latest patents showcase his expertise and innovative spirit. One of his notable inventions is the "Positioning of an Abrasive Belt on a Grinding Machine." This patent describes a unique belt grinding machine where the abrasive belt is maintained at a selected position on both the drive and idler pulleys. The design incorporates a column that oscillates relative to the work piece holder, allowing for precise control. Furthermore, the system utilizes photo sensors and hydraulic controls to automatically reposition the grinding belt when necessary, ensuring optimal alignment during operation.
Another significant patent is the "Head Positioning for a Belt Grinder." This invention focuses on preventing the overloading of the drive motor by carefully controlling the pressure applied at the grinding head. It utilizes pneumatic and hydraulic cylinders to manage the tension of the abrasive belt, allowing for smooth and adjustable grinding performance while ensuring the machine operates within safe parameters.
Career Highlights
Throughout his career, Richard Rettew has worked with several reputable companies where he honed his skills and developed his innovative ideas. Notably, he was associated with Contraves Goerz Corporation, where he likely gained valuable experience that informed his patented inventions.
Collaborations
While specific collaborations outside his individual work are not detailed, Rettew's history of working with established companies such as Contraves Goerz Corporation indicates his capability to work alongside industry leaders, enhancing the development and application of his inventions in practical settings.
Conclusion
Richard Rettew’s contributions to grinding machine technology through his patents not only demonstrate his inventive skill but also reflect the significant impact of his work on industrial processes. His innovations continue to pave the way for advancements in the manufacturing sector, ensuring greater efficiency and improved machine performance.