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For the Inventor, By the Inventor

Racine, WI, United States of America

Neill C Woelffer

This inventor holds 6 USPTO granted patents. Top assignee: Jacobsen Manufacturing Company. Active years: 1978-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Neill C Woelffer. Retrieved from https://idiyas.com/inventor/neill-c-woelffer

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 75(Granted Patents)


Company Filing History:

goldMedal6 out of 13 
 
Jacobsen Manufacturing Company
 patents

Years Active: 1978-1979

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6 patents (USPTO):Explore Patents
1. 4152884 - Lawn mower with catcher accommodation (1979-05-08),
2. 4149363 - Lawn mower catcher (1979-04-17),
3. 4134249 - Mulching type of lawn mower (1979-01-16),
4. D249519 - Combined lawn mower and grass catcher (1978-09-19),
5. 4108456 - Lawn mower handle mounting (1978-08-22),
6. 4108120 - Governor control for an internal combustion engine (1978-08-22),

Title: Neill C Woelffer: Innovator in Lawn Care Technology

Introduction

Neill C Woelffer is a notable inventor based in Racine, Wisconsin, recognized for his contributions to lawn care technology. With a total of six patents to his name, Woelffer has made significant advancements in the design and functionality of lawn mowers and their accessories.

Latest Patents

Among his latest innovations is a lawn mower with catcher accommodation. This design features a mower housing with a rear portion extending along an upright plane transverse to the mower's central axis. The mower includes a handle that extends rearwardly, and a grass clipping discharge opening directed to the rear and to one side of the central axis. A vertically mounted hinged door covers the discharge opening and can swing open against a spring. This design allows for a grass catcher to be mounted securely on the mower, enhancing its efficiency. Another patent involves a lawn mower catcher of the bag type, which includes a grass inlet opening and a rigid door or adapter that facilitates easy attachment to the mower. This catcher is designed to support the weight of the grass when filled and includes features for easy emptying.

Career Highlights

Neill C Woelffer has spent a significant part of his career at Jacobsen Manufacturing Company, where he has been instrumental in developing innovative lawn care solutions. His work has not only improved the functionality of lawn mowers but has also enhanced user experience through practical design features.

Collaborations

Throughout his career, Woelffer has collaborated with notable colleagues, including Merlin H Gandrud and Donald G Haffner. These partnerships have contributed to the successful development of various lawn care technologies.

Conclusion

Neill C Woelffer's contributions to lawn care technology through his innovative patents have made a lasting impact in the industry. His work continues to influence the design and functionality of lawn mowers, making lawn maintenance more efficient and user-friendly.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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