Company Filing History:
3 out of 171 
2 out of 197 
1 out of 6 Years Active: 1985-1987
Title: The Innovations of Elisabeth Zirk
Introduction
Elisabeth Zirk is a notable inventor based in Dittelbrunn, Germany. She has made significant contributions to the field of engineering, particularly in the design of bearing bushings and sealing devices. With a total of six patents to her name, her work has had a considerable impact on various industries.
Latest Patents
One of her latest patents is for a bearing bushing with an inserted sealing ring. This innovative design features a sealing ring with a conical bore surface that helps to restrain the sealing ring during the insertion of a shaft. The conical surface of the bearing bushing cooperates with the sealing ring, allowing for easy insertion while preventing the sealing ring from being forced out. Another significant patent is for a sealing device for bearing bushings, particularly for universal joints. This device includes an inner sealing ring and an outer sealing ring, which work together to ensure effective sealing and protection of the joint pin.
Career Highlights
Elisabeth has worked with prominent companies such as SKF GmbH and SKF Kugellagerfabriken GmbH. Her experience in these organizations has allowed her to develop and refine her innovative ideas, contributing to advancements in bearing technology.
Collaborations
Throughout her career, Elisabeth has collaborated with talented individuals, including Armin Olschewski and Bernhard Bauer. These partnerships have fostered a creative environment that has led to the development of her groundbreaking inventions.
Conclusion
Elisabeth Zirk's contributions to the field of engineering through her patents and collaborations highlight her role as a pioneering inventor. Her innovative designs continue to influence the industry and showcase the importance of creativity in engineering.