Location History:
- Rothsville, PA (US) (1978 - 1980)
- Narvon, PA (US) (1983 - 2023)
Company Filing History:
14 out of 969 
6 out of 1,032 
6 out of 2,820 
Years Active: 1978-2023
Title: Innovations and Contributions of Philip J. Ehrhart
Introduction: Philip J. Ehrhart, based in Narvon, Pennsylvania, is an accomplished inventor with a remarkable portfolio of 35 patents to his name. His innovations predominantly focus on enhancing vehicle control systems, particularly in hydraulically driven vehicles. With a strong background in engineering and a commitment to innovation, Ehrhart has made significant contributions to the automotive industry.
Latest Patents: Among his latest patents are the "Differential Steering Control Vehicle, System and Method," which introduces a unique method of differentially steering hydraulically driven vehicles. This innovative approach involves measuring the left and right swash plate angles of the pumps driving the vehicle's wheels. If the swash plate angles differ, the control system adjusts them to enhance steering performance. Another noteworthy patent is the "Limited Slip Differential Drive System and Methods of Using the Same," which improves steering stability during rear axle steering operations in harvesters, utilizing advanced hydraulic fluid flow regulation between drive motors.
Career Highlights: Philip J. Ehrhart has had a notable career with esteemed companies such as CNH America LLC and Sperry Corporation. His work in these organizations has allowed him to push the boundaries of vehicular technology, contributing to safer and more efficient steering systems.
Collaborations: Throughout his career, he has collaborated with seasoned professionals like Donald L. Osborne and Kenneth W. McLean. These partnerships have fostered an environment of innovation and have led to the development of cutting-edge technologies in the field of vehicle control.
Conclusion: Philip J. Ehrhart's inventions and patents stand as a testament to his expertise and dedication in creating advanced solutions for the automotive sector. His contributions not only reflect his innovative spirit but also pave the way for future advancements in vehicle technology. As the industry evolves, Ehrhart's work continues to play a vital role in rewriting the standards of hydraulic vehicle control systems.
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.