Company Filing History:
3 out of 4 
1 out of 1 
1 out of 1 Years Active: 1992-2013
Title: The Innovative Contributions of Herbert Grabner
Introduction
Herbert Grabner is a notable inventor based in Bad Ischl, Austria. He has made significant contributions to the field of electrical engineering, particularly in the design and production of brush units for electric machines. With a total of 6 patents to his name, Grabner's work exemplifies innovation and practicality.
Latest Patents
Among his latest patents is a brush unit for an electric machine, which features a simple yet robust design. This brush unit can be assembled at a low cost using straightforward process steps. It consists of four ring-shaped board elements stacked together, including two outer circuit boards that are electrically connected to one or more brushes. The design incorporates two guide boards made of electrically insulative material, which have protrusions and recesses to form radial guides for the brushes and receptacles for springs acting on the brushes. The springs used are spiral springs wound around a mandrel, with flat ends that are rotationally fixedly guided in a guide groove of each receptacle. This innovative assembly process allows for efficient production and functionality.
Another significant patent involves a method for producing sliding bodies for electric collectors. This method enhances the efficiency and reliability of electric machines, showcasing Grabner's commitment to advancing technology in this field.
Career Highlights
Throughout his career, Herbert Grabner has worked with reputable companies, including Hoffmann & Co. Elektrokohle Gesellschaft Mbh and Hoffman & Co. Elektrokohle Gesellschaft M.b.h. His experience in these organizations has contributed to his expertise and innovative capabilities in electrical engineering.
Collaborations
Grabner has collaborated with notable individuals in his field, including Johann Hoell and Peter Hoffmann. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
Herbert Grabner's contributions to electrical engineering through his innovative patents and collaborations highlight his role as a significant inventor. His work continues to influence the design and production of electric machines, demonstrating the importance of innovation in technology.