Company Filing History:
Years Active: 2010-2023
Title: The Innovative Mind of Donald William Ertmer
Introduction
Donald William Ertmer, a notable inventor based in Lodi, Wisconsin, has made significant contributions to the field of engineering through his inventive designs. With two patents to his name, Ertmer has demonstrated a commitment to enhancing the functionality and safety of various machines, particularly in the recreational and agricultural sectors.
Latest Patents
Ertmer's latest patents showcase his innovative approach. The first, titled "Automatic Park Lock," introduces an automatic park lock designed for off-road or recreational utility vehicles. This invention incorporates a shift interlock solenoid with a spring-biased plunger that securely locks the operator shift lever in the park position. The design features a cam surface that slopes between two ends and includes a groove to ensure the plunger remains locked in place. A controller is used to energize the shift interlock solenoid for plunger retraction when specific operating parameters are met.
The second patent, "Electronic Engine Speed Control System for Grass Mowing Machine," addresses the complexities of managing engine speed in internal combustion engines used in mowing machines. It integrates a microcontroller that outputs signals to an engine speed actuator, modulated by data received from a pedal position sensor and a PTO clutch switch. This ensures optimal performance in both automatic and manual modes, enhancing user control over the mowing process.
Career Highlights
Donald William Ertmer's career is closely linked with Deere & Company, a leader in agricultural machinery. His work at this prestigious firm has allowed him to develop innovative technical solutions that improve the safety and efficiency of equipment used in various applications.
Collaborations
Throughout his career, Ertmer has collaborated with distinguished colleagues, including Carl Steven Silbernagel and John B. Kuhn. Their combined expertise has likely fostered an environment ripe for innovation, driving forward the boundaries of technology within their respective fields.
Conclusion
Donald William Ertmer's contributions through his patents not only reflect his inventive spirit but also highlight the importance of innovation in advancing machine safety and functionality. His work continues to impact the industries of recreation and agriculture, showcasing how one inventor can influence technology for the better.