Company Filing History:
25 out of 772 
4 out of 66 
3 out of 1,720 
Years Active: 2007-2023
Title: Innovator Spotlight: Marc Graaf
Introduction
Marc Graaf is a prolific inventor based in Krefeld, Germany, holding an impressive portfolio of 32 patents. His innovative contributions primarily focus on advancements in heat pump systems and refrigeration technologies, making a significant impact in the automotive and climate control industries.
Latest Patents
Among his latest inventions is the 3-2 way expansion valve, a key component introduced for heat pump systems in motor vehicles. This valve features at least one inlet and two outlets, along with a valve element that includes a throughlet and an expansion recess, allowing for efficient fluidic connections. Another noteworthy invention is the oil management system within a refrigeration setup, which incorporates a compressor oil cooler integrated into the gas cooler. This advanced heat exchanger separates oil from a coolant-oil mixture while cooling both the oil and the coolant, comprising two distinct areas with dedicated flow channels for each fluid. This design enhances the efficiency and performance of refrigeration systems.
Career Highlights
Marc has built a remarkable career at notable companies including Hanon Systems and Halla Visteon Climate Control Corporation. His roles in these organizations have allowed him to develop and refine his innovative ideas into patented technologies that improve climate control systems in vehicles.
Collaborations
Throughout his career, Marc has collaborated with talented professionals like Navid Durrani and Gerald Richter. These partnerships have undoubtedly contributed to the ingenuity reflected in his patents, enhancing the evolution of automotive climate technology.
Conclusion
Marc Graaf exemplifies the spirit of innovation through his extensive patent portfolio and contributions to the field of vehicle climate control systems. His work continues to influence the development of efficient and effective technologies that improve comfort and energy management in modern vehicles.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.