This inventor holds 3 USPTO granted patents. Top assignee: Deere & Company. Active years: 1991-2010.
Company Filing History:
Years Active: 1991-2010
Title: Innovations by Stanley L. Irwin
Introduction
Stanley L. Irwin is a notable inventor based in Dubuque, IA (US). He has made significant contributions to the field of engineering, particularly in the design of hydraulic systems for work vehicles. With a total of 3 patents to his name, Irwin's work has had a lasting impact on the industry.
Latest Patents
One of Irwin's latest patents is a propulsion system for a work vehicle that features a single drive pump and differential capability. This innovative hydraulic drive circuit includes a positive displacement flow divider positioned between a hydraulic pump and multiple hydraulic motors. Another significant invention is the logging grapple, which consists of a grapple head with left and right tongs that are pivotally mounted. This design incorporates two double-acting hydraulic cylinders that extend between the tong pivot points and the other tong, with the piston sides of the hydraulic cylinders hydraulically coupled by a closed center flow divider valve. Additionally, a crossover relief valve assembly is mounted in parallel with the flow divider valve, enhancing the functionality of the grapple.
Career Highlights
Irwin is currently employed at Deere & Company, a leading manufacturer in agricultural machinery. His work at this esteemed company has allowed him to apply his innovative ideas in practical applications, contributing to the advancement of hydraulic technology in work vehicles.
Collaborations
Throughout his career, Stanley L. Irwin has collaborated with talented individuals such as Scott Svend Hendron and Lyndall Tunell. These partnerships have fostered a creative environment that encourages the development of groundbreaking inventions.
Conclusion
Stanley L. Irwin's contributions to hydraulic systems and work vehicle technology exemplify the spirit of innovation. His patents reflect a commitment to improving efficiency and functionality in engineering applications.
