Flanders, NJ, United States of America

Robert H De Graaff

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1979.


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:

goldMedal1 out of 834,350 
Other
 patents

Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Robert H De Graaff

Introduction

Robert H De Graaff is an accomplished inventor based in Flanders, NJ (US). He is known for his innovative contributions to the field of wheeled vehicle technology. With a focus on practical solutions, De Graaff has made a significant impact through his patented inventions.

Latest Patents

One of De Graaff's notable patents is the Coaster Brake. This invention features a drive for a wheeled vehicle that includes a hub designed to receive the driving wheel. The hub supports an axle with a worm screw positioned within it. This worm screw, in turn, supports an eccentrically weighted driver of drum-like configuration. The design allows for rotational force to be transmitted to the axle in either direction, enabling the weighted driver to move back and forth within the hub. This unique configuration resists rotation with the axle, ensuring effective braking and driving capabilities.

Career Highlights

Throughout his career, Robert H De Graaff has demonstrated a commitment to innovation and practical engineering solutions. His work on the Coaster Brake showcases his ability to blend functionality with advanced design principles. De Graaff's contributions have not only enhanced vehicle performance but have also paved the way for further advancements in the field.

Collaborations

De Graaff has collaborated with various professionals in his field, including his coworker Michael Langieri. Their combined expertise has fostered an environment of creativity and innovation, leading to the development of effective solutions in vehicle technology.

Conclusion

Robert H De Graaff's inventive spirit and dedication to improving wheeled vehicle technology are evident in his work. His patent for the Coaster Brake exemplifies his innovative approach to engineering challenges. Through his contributions, De Graaff continues to inspire future generations of inventors and engineers.

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