Company Filing History:
Years Active: 1977-1980
Title: Harold S. Hurwitz: Innovator in Xerographic Technology
Introduction
Harold S. Hurwitz, a distinguished inventor based in Downers Grove, IL, is known for his significant contributions to xerographic technology. With a total of two patents, Hurwitz has made strides in enhancing the efficiency and effectiveness of development methods in printing processes.
Latest Patents
Hurwitz's latest patents include the "Cascade Assembly and Method" and "Low Cost Transfer Ink Coating." The former patent describes a system for ensuring substantially uniform distribution of developer in a cascade assembly for xerographic reproduction apparatus. This process involves the developer sliding down an inclined cascade baffle, where it is dumped by buckets that elevate it from a sump in the cascade chamber. The innovation employs an array of distribution projections to achieve uniform developer distribution while effectively screening toner dust from image-free areas of the electrostatic image carrying drum.
The "Low Cost Transfer Ink Coating" patent presents a formulation for use on transfer sheets designed for creating master sheets for multiple copies. This coating consists of a polyhydroxy alcohol, non-drying oil, wax, kaolin-type clay, and dye, providing an economical solution for the printing industry.
Career Highlights
Throughout his career, Harold S. Hurwitz has been associated with notable companies such as Bell & Howell Company and Yorktown Industries, Inc. His work in these organizations has contributed to advancements in printing technology and ink formulations, marking him as a significant figure in the field.
Collaborations
Hurwitz has collaborated with fellow innovators like Harold E. Dyas and Kenneth R. Reick. Their collective efforts have furthered the development of technologies that enhance the efficiency of xerographic machines and printing processes.
Conclusion
Harold S. Hurwitz's innovations in xerographic technology have paved the way for improvements in printing efficiency and effectiveness. With his patents and collaborations, he continues to impact the industry, proving that innovative minds play a crucial role in advancing technology.