Company Filing History:
3 out of 3 
1 out of 2 Years Active: 1984-2020
Title: **Innovative Insights into the Work of Donald James Patterson**
Introduction
Donald James Patterson, an esteemed inventor based in Ann Arbor, MI, has made significant contributions to the field of engineering, particularly through his inventive designs in valve actuation systems. With a total of four patents to his name, Patterson continues to push the boundaries of technology, focusing on improvements that enhance the functionality of reciprocating piston machines.
Latest Patents
Patterson's latest innovations include two notable patents:
1. **Collapsible Valve Bridge Actuation System for a Reciprocating Piston Machine Cylinder** - This invention features a collapsible valve bridge actuation system designed to modify the lift of poppet valves within a reciprocating piston machine. The system employs a rocker arm actuated by a cam lobe and incorporates a collapsible valve bridge device. This device boasts a deactivation assembly holding lock pins in a housing with springs, allowing it to maintain rigidity or collapse partially or fully based on spring strength.
2. **Collapsible Pushrod Valve Actuation System for a Reciprocating Piston Machine Cylinder** - This innovative system introduces a collapsible pushrod device aimed at replacing traditional pushrods in reciprocating piston machines like engines. The setup includes a driver base, plunger, and a pin assembly, with the normal operation relying on pin locking. Under certain conditions, valve lift can be reduced or completely deactivated, optimizing performance for different engine states, which is particularly beneficial for Diesel engines.
Career Highlights
Throughout his career, Donald James Patterson has held positions at prominent companies, including Electro-Mechanical Associates, Inc. and Focus Environmental Systems. His work at these organizations has been instrumental in the development of advanced engineering solutions, highlighting his role as a leading figure in innovation.
Collaborations
Patterson has collaborated with notable individuals such as Kevin Morrison and George Schwartz. These partnerships have played a crucial role in fostering creative approaches to engineering challenges, resulting in breakthroughs that enhance machine efficiency and reliability.
Conclusion
Donald James Patterson exemplifies the spirit of innovation, combining technical expertise with a passion for engineering. Through his patents and collaborative efforts, he contributes to the advancement of technologies that promise to reshape the future of reciprocating piston machines. His ongoing commitment to improvement serves as an inspiration to aspiring inventors and engineers around the globe.