This inventor holds 4 USPTO granted patents. Top assignee: The Dow Chemical Company. Active years: 1993-1997.
Company Filing History:
Years Active: 1993-1997
Title: The Innovative Contributions of Herbert C. Roehrs
Introduction
Herbert C. Roehrs is a notable inventor based in Beaverton, MI (US), recognized for his significant contributions to the field of multilayer plastic articles. With a total of 4 patents, Roehrs has developed innovative methods that enhance the production and functionality of plastic materials.
Latest Patents
Roehrs' latest patents include a "Method and apparatus for producing multilayer plastic articles." This invention provides methods and apparatus for making multilayer plastic articles by utilizing two or more streams of diverse thermoplastic materials. Layers are formed from these streams and arranged in a layered first composite stream, which can be molded into a desired configuration or manipulated to create a second composite stream with an increased number of layers. The resulting articles consist of discrete and substantially continuous layers.
Another significant patent is the "Method for producing blow molded multilayer plastic articles." This invention involves forming a blow molded multilayer plastic article with a large number of layers. Initially, first and second diverse thermoplastic streams are extruded into a coextrusion feedblock, where they are divided into multiple streams and arranged into a first composite stream. This stream is then manipulated to form a second composite stream with even more layers of uniform thickness, which is subsequently formed into a preform and blow molded.
Career Highlights
Herbert C. Roehrs is associated with The Dow Chemical Company, where he has made substantial contributions to the development of advanced plastic technologies. His work has played a crucial role in enhancing the efficiency and effectiveness of multilayer plastic production.
Collaborations
Roehrs has collaborated with notable coworkers such as Ralph E. Ayres and Walter J. Schrenk, contributing to the advancement of innovative plastic solutions.
Conclusion
Herbert C. Roehrs stands out as a prominent inventor in the field of multilayer plastic technology. His innovative patents and contributions to The Dow Chemical Company have significantly impacted the industry, showcasing his dedication to advancing plastic manufacturing processes.