This inventor holds 22 USPTO granted patents and 25 published patent applications and 23 EPO patents, primarily in Bicycle Transmission Systems. Top assignees: Advancing Technologies B.v., Classified Cycling B.v., Dti Group B.v.. Active years: 2008-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
8 out of 10 
6 out of 7 
6 out of 22 Years Active: 2008-2026
Areas of Expertise:
Title: Roëll Marie Van Druten: Innovator in Bicycle Transmission Systems
Introduction
Roëll Marie Van Druten is a prominent inventor based in Eindhoven, Netherlands. She has made significant contributions to the field of bicycle technology, holding a total of 22 patents. Her innovative designs focus on enhancing the efficiency and functionality of bicycle transmission systems.
Latest Patents
One of her latest patents is a transmission system for a bicycle. This system features a driver element that rotates about an axis and includes a cassette of sprockets mounted on the driver element to rotate together. The system also incorporates a shifting unit that moves the cassette of sprockets in the axial direction on the driver element. The actuator element, which is part of the shifting unit, is strategically positioned to facilitate the movement of the cassette.
Another notable patent is a clutch or brake system for torque transmission with a planetary gear. This system consists of a first rotatable unit that connects to an input or output, featuring at least one first abutment surface. It also includes a second rotatable unit with a corresponding second abutment surface for selective engagement. The design allows for disengagement under load, enhancing the system's reliability and performance.
Career Highlights
Roëll has worked with several companies throughout her career, including Advancing Technologies B.V. and DTI Group B.V. Her experience in these organizations has contributed to her expertise in developing innovative solutions for bicycle technology.
Collaborations
Throughout her career, Roëll has collaborated with notable individuals such as Bas Gerard Vroemen and Alexander Franciscus Anita Serrarens. These partnerships have fostered a creative environment that has led to the development of her groundbreaking inventions.
Conclusion
Roëll Marie Van Druten is a trailblazer in the field of bicycle transmission systems, with a remarkable portfolio of patents that showcase her innovative spirit. Her contributions continue to influence the cycling industry, making her a significant figure in the realm of inventions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile