This inventor holds 3 USPTO granted patents. Top assignee: Deere & Company. Active years: 1980-1989.
Company Filing History:
Years Active: 1980-1989
Title: Innovations by John J Hennen
Introduction
John J Hennen is a notable inventor based in Ottumwa, IA (US). He holds a total of 3 patents that showcase his contributions to agricultural machinery. His work primarily focuses on enhancing the efficiency and safety of harvesting equipment.
Latest Patents
One of Hennen's latest patents is for a fluid actuated clutch having a fluid slip fitting safety interlock. This invention is designed for a main drive system in self-propelled harvesters. It features an input shaft that connects to an engine output shaft, carrying a hydraulically-engageable disc clutch. This clutch transfers power to a multi-grooved belt drive sheave, which is essential for the operation of crop cutting and processing components. The design includes a slip fitting that allows for safe checks of the engine output without the risk of inadvertent clutch engagement.
Another significant patent is for a forage harvester blower. This device includes a blower fan with pivotable blades that operate near the cylindrical surface of the blower housing. The design ensures that forage is delivered efficiently into the blower housing and exits at a strategically spaced location, optimizing the harvesting process.
Career Highlights
Hennen's career is marked by his innovative contributions to Deere & Company, where he has played a vital role in developing advanced agricultural technologies. His inventions have significantly improved the functionality and safety of harvesting equipment, making a lasting impact on the industry.
Collaborations
Throughout his career, Hennen has collaborated with notable colleagues, including Roger A Russ and Robert D Black. These partnerships have fostered a creative environment that has led to the development of groundbreaking agricultural solutions.
Conclusion
John J Hennen's work exemplifies the spirit of innovation in agricultural machinery. His patents reflect a commitment to enhancing efficiency and safety in harvesting processes. His contributions continue to influence the industry positively.