Company Filing History:
2 out of 4 
1 out of 2 
1 out of 5 
Years Active: 1990-2017
Title: Wolfgang Graaff: Innovator in Refrigerated Container Technology
Introduction
Wolfgang Graaff is a notable inventor based in Hildesheim, Germany. He has made significant contributions to the field of refrigerated container technology, holding a total of 5 patents. His innovative designs focus on improving the efficiency and functionality of shipping containers.
Latest Patents
Among his latest patents is a "Rear door inflatable device for an integrated refrigerated container." This invention involves a method for reducing air leakage from a refrigerated container by positioning inflatable devices around the rear end. The design includes coupling these devices to an elongated duct within the container, allowing for efficient air circulation via an evaporator fan. Another significant patent is the "Large-volume insulated shipping container," which features a unique structure with parallel side walls, a top wall, and a specialized floor design that enhances insulation and air conduction.
Career Highlights
Wolfgang Graaff has worked with several companies throughout his career, including Graaff GmbH and Waggonbau Elze GmbH & Co. Besitz Kg. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of refrigerated transport.
Collaborations
Throughout his career, Graaff has collaborated with notable individuals such as Horst Kothe and Kenneth E. Cresswell. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Wolfgang Graaff's contributions to refrigerated container technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of the challenges in the industry and a dedication to finding effective solutions.