This inventor holds 9 USPTO granted patents. Top assignees: Degussa Aktiengesellschaft, Leybold Durferrit Gmbh, Ald Vacuum Technologies Gmbh. Active years: 1989-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Buedingen, DE (1989 - 1994)
- Budingen, DE (1994 - 1997)
Company Filing History:

Years Active: 1989-1997
Title: Friedrich Preisser: Innovator in Heat Treatment Technologies
Introduction
Friedrich Preisser, an accomplished inventor based in Buedingen, Germany, holds a significant portfolio of 9 patents. His pioneering work primarily focuses on advanced heat treatment processes, showcasing his expertise in the field of material science and engineering.
Latest Patents
Among his latest patents, Preisser has developed a “Process and apparatus for heat treatment of workpieces by quenching.” This innovation allows workpieces to be quenched using gases in a heat-treatment system, enhancing cooling efficiency through a unique design of heat exchangers. The system employs gas circulation combined with refrigeration techniques to achieve temperatures below -20 degrees Celsius. This method not only intensifies the quenching process but also reduces the size and power requirements of the refrigeration unit involved.
Another notable invention is his “Method for the treatment of alloy steels and refractory metals,” which applies to materials such as Titanium, Zirconium, and Niobium. This method outlines a two-step process to enhance the properties of these metals through specific gas mixtures and controlled atmospheres, significantly advancing thermochemical surface treatments.
Career Highlights
Friedrich Preisser has made substantial contributions to the field during his tenure at notable companies, including Degussa AG and Leybold Durferrit GmbH. His work at these institutions enabled him to focus on innovations in heat treatment and material processing techniques, which are critical for various industrial applications.
Collaborations
Throughout his career, Preisser has had the privilege of collaborating with distinguished professionals in his field such as Paul Heilmann and Peter Minarski. These partnerships have not only enriched his research but also contributed to the advancement of technology in heat treatment processes.
Conclusion
Friedrich Preisser's impactful inventions and dedicated career reflect his significant role in enhancing heat treatment technologies. His contributions are invaluable for industries that depend on the effectiveness of heat treatment methods, positioning him as a noteworthy figure in the realm of material science. With a solid foundation of knowledge and experience, his innovations continue to pave the way for future advancements in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile