Location History:
- Columbia, MO (US) (2000)
- Dunlap, IL (US) (2002 - 2010)
- Peoria, IL (US) (2016 - 2017)
- Naperville, IL (US) (2013 - 2019)
Company Filing History:
24 out of 9,440 
2 out of 872 
Years Active: 2000-2019
Title: Innovations by Hongliu Du: A Profile of a Pioneering Inventor
Introduction
Hongliu Du is a distinguished inventor based in Dunlap, IL, USA, holding an impressive portfolio of 25 patents. His innovative contributions have significantly impacted the field of hydraulic systems, particularly in enhancing machine performance through advanced control mechanisms.
Latest Patents
Among his latest innovations, Hongliu Du has developed an active damping ride control system aimed at attenuating oscillations in hydraulic actuators. This system features four independent metering valves that are selectively controlled by a sophisticated controller to regulate the flow of pressurized fluid. This mechanism ensures stability and efficiency in machine operations by responding precisely when hydraulic pressure falls. Another notable patent is the hydraulic pump port plate with a variable area metering notch, which incorporates an adjustable metering notch area to optimize fluid dynamics in swashplate type axial piston pumps. This innovation enhances pump performance by ensuring optimal fluid delivery during operation.
Career Highlights
Throughout his career, Hongliu has collaborated with prominent organizations, including Caterpillar Inc. and The Curators of the University of Missouri. His work in these prestigious companies has allowed him to apply his innovative designs in practical settings, contributing to advancements in hydraulic technology and machine efficiency.
Collaborations
Hongliu Du has worked alongside esteemed colleagues, including Noah D. Manring and Mark Vonderwell. These collaborations have enabled him to engage in multidisciplinary approaches to solving complex engineering challenges, fostering an environment of innovation and creativity.
Conclusion
Hongliu Du’s contributions to the field of hydraulic systems demonstrate his commitment to innovation and excellence. With a growing array of patents, he continues to push the boundaries of technology, improving machine operation and efficiency through creative engineering solutions. His work remains a testament to the power of inventive thinking in advancing industry standards.
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.