This inventor holds 4 USPTO granted patents. Top assignees: Inventio Ag, Dr. Ing. H.c. F. Porsche Aktiengesellschaft. Active years: 1991-1998.
Company Filing History:
3 out of 1,407 
1 out of 4,214 
Years Active: 1991-1998
Title: Helmut Heizmann: Innovator in Elevator Technology
Introduction
Helmut Heizmann is a notable inventor based in Stuttgart, Germany. He has made significant contributions to the field of elevator technology, holding a total of 4 patents. His innovative designs have improved the functionality and efficiency of self-propelled elevator systems.
Latest Patents
Heizmann's latest patents include a "Drive unit for a self-propelled elevator car" and a "Drive frame for a self-propelled elevator car." The drive unit patent describes a system where the elevator car travels along guide rails, utilizing a coaxial electric motor connected to a wheel shaft. This design incorporates a speed-reducing planetary gear and a selective brake mechanism. The auxiliary drive ensures the elevator can operate during power failures. The drive frame patent outlines a car carrying frame with driving and supporting wheels, which are drawn into contact with the running surfaces by spring cylinders, enhancing the elevator's stability and performance.
Career Highlights
Throughout his career, Heizmann has worked with prominent companies such as Inventio AG and Dr. Ing. h.c. F. Porsche Aktiengesellschaft. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technologies in the elevator industry.
Collaborations
Heizmann has collaborated with notable professionals in his field, including Christoph Liebetrau and Utz Richter. These partnerships have fostered innovation and the development of advanced elevator systems.
Conclusion
Helmut Heizmann's contributions to elevator technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the design and functionality of modern elevator systems.