Company Filing History:
Years Active: 1976-1980
Title: The Innovations of Karl Dreher
Introduction
Karl Dreher is a notable inventor based in Munich, Germany. He has made significant contributions to the field of photographic technology, holding a total of 4 patents. His work has advanced the way photographic materials are processed and utilized in various applications.
Latest Patents
Dreher's latest patents include an "Apparatus for convoluting webs onto rotary cores" and a "Photographic copying machine." The apparatus for convoluting webs is designed to efficiently wind a web of photographic material onto a rotary core within a light-tight cassette. This invention features an elongated channel that is pivotably mounted, ensuring that the web adheres tightly to the core during the winding process. The flexible element incorporated in the design prevents the clockspringing of convoluted material when the web is withdrawn.
The photographic copying machine patent describes a system where the leader of a fresh web of photographic paper is automatically threaded through a copying station and additional stations. This machine utilizes pivotable guide members that are controlled by electromagnets, allowing for precise movement and positioning of the web as it advances through the copying process.
Career Highlights
Karl Dreher has worked with Agfa-Gevaert AG, a company renowned for its innovations in imaging technology. His role at Agfa-Gevaert has allowed him to contribute to the development of advanced photographic equipment and processes.
Collaborations
Dreher has collaborated with notable coworkers such as Adolf Fleck and Christian Gotze. Their combined expertise has fostered an environment of innovation and creativity within the company.
Conclusion
Karl Dreher's contributions to photographic technology through his patents and work at Agfa-Gevaert AG highlight his importance as an inventor. His innovative designs continue to influence the industry and improve the efficiency of photographic processes.