Location History:
- Mainhausen, DE (2013)
- Rodgau, DE (2017 - 2023)
- Frankfurt-am-Main, DE (2024)
Company Filing History:
8 out of 1,264 
2 out of 144 Years Active: 2013-2025
Title: Holger Kollmann: Innovator in Brake System Technology
Introduction
Holger Kollmann is a notable inventor based in Rodgau, Germany. He has made significant contributions to the field of automotive technology, particularly in brake systems. With a total of 10 patents to his name, Kollmann's work focuses on enhancing vehicle safety and performance.
Latest Patents
Kollmann's latest patents include a "Brake system with noise-optimized valve control." This innovative brake system for motor vehicles features a hydraulic line system with a normally closed hydraulic valve. It incorporates a final stage for electrically actuating the hydraulic valve, designed to minimize noise emissions through analog control and a computing unit that determines valve current based on pressure differences. Another significant patent is the "Solenoid valve for a slip-controlled motor-vehicle brake system." This solenoid valve includes a valve plunger guided in a passage bore of a valve housing, which is held in a basic position by a restoring spring. The design allows for effective actuation of the valve plunger, enhancing the overall functionality of the brake system.
Career Highlights
Throughout his career, Kollmann has worked with several prominent companies in the automotive industry. He has been associated with Continental Teves, Continental Automotive Technologies GmbH, and Ag and Company Ohg. His experience in these organizations has allowed him to develop and refine his innovative ideas in brake system technology.
Collaborations
Kollmann has collaborated with notable professionals in his field, including Christian Courth and Marc Lenz. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Holger Kollmann's contributions to automotive technology, particularly in brake systems, demonstrate his commitment to innovation and safety. His patents reflect a deep understanding of engineering principles and a dedication to improving vehicle performance.