Company Filing History:
1 out of 17 
1 out of 3,002 
1 out of 66 
Years Active: 1979-2000
Title: Innovations of Douglas A. Milliken
Introduction
Douglas A. Milliken is a notable inventor based in Thousand Oaks, California. He has made significant contributions to the field of engineering, particularly with his innovative designs and patents. With a total of three patents to his name, Milliken has demonstrated a commitment to advancing technology and improving existing systems.
Latest Patents
One of Milliken's latest patents is the Turbocharger Integrated Bearing System. This invention features an integrated bearing system that combines journal and thrust bearings into a single unit. It is centrally pinned to the bearing housing and includes integral thrust surface and journal surface lubrication grooves. The design allows for symmetrical wobbling within the bearing case bore while preventing rotation, enhancing the efficiency of turbocharger systems.
Another significant patent is the Portable Blower-Vacuum Unit. This versatile device includes an impeller that draws air axially through a housing air inlet and discharges it centrifugally through a tangential housing air outlet. In blower mode, a perforate cover plate prevents solid material ingestion, while in vacuum mode, a vacuum conduit connects to the housing, allowing for efficient debris collection. The unit also features a mulching blade that chops solid material during vacuum operation, showcasing Milliken's innovative approach to multifunctional devices.
Career Highlights
Throughout his career, Douglas A. Milliken has worked with several prominent companies, including Allegretti & Company and AlliedSignal Inc. His experience in these organizations has contributed to his expertise in engineering and product development. Milliken's work has consistently focused on creating practical solutions that address real-world challenges.
Collaborations
Milliken has collaborated with notable individuals in the industry, including Charles A. Mattson and George M. Zink. These partnerships have likely fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Douglas A. Milliken's contributions to engineering through his patents and collaborations highlight his role as a significant inventor. His innovative designs, such as the Turbocharger Integrated Bearing System and the Portable Blower-Vacuum Unit, reflect his dedication to advancing technology. Milliken's work continues to influence the field and inspire future innovations.
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.