Location History:
- Elgin, IL (US) (1979)
- Union, IL (US) (1979 - 1984)
Company Filing History:
Years Active: 1979-1984
Title: The Innovative Contributions of Donald L. Hildebrand
Introduction
Donald L. Hildebrand is a notable inventor based in Union, Illinois, who has made significant contributions to the field of street sweeping technology. With a total of six patents to his name, Hildebrand's work has focused on enhancing the efficiency and functionality of street sweepers.
Latest Patents
Among his latest patents is the "Guide Wheel Suspension for a Three Wheel Sweeper." This invention features a unique tricycle arrangement with a steerable guide wheel unit that includes a suspension system designed to improve maneuverability. The suspension can utilize either a single coiled spring or multiple spring units, providing flexibility in design. Another significant patent is the "Hydraulic Control System for a Street Sweeper." This system integrates a variable and reversible flow piston pump with hydraulic motors, allowing for precise control of sweeping mechanisms at varying speeds.
Career Highlights
Hildebrand has dedicated his career to working with Elgin Sweeper Company, where he has played a crucial role in developing innovative solutions for street cleaning. His expertise in hydraulic systems and mechanical design has greatly influenced the efficiency of modern street sweepers.
Collaborations
Throughout his career, Hildebrand has collaborated with notable coworkers such as Ernest F. Prescott and Gerald N. Kieft, contributing to a team that has pushed the boundaries of street sweeping technology.
Conclusion
Donald L. Hildebrand's inventive spirit and dedication to improving street cleaning technology have left a lasting impact on the industry. His patents reflect a commitment to innovation that continues to benefit urban environments.