Chicago, IL, United States of America

Christopher Shipman

This inventor holds 58 USPTO granted patents and 11 published patent applications and 32 EPO patents, primarily in Bicycle Control Systems. Top assignee: Sram Corporation. Active years: 2004-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Christopher Shipman. Retrieved from https://idiyas.com/inventor/christopher-shipman

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

USPTO Granted Patents = 58 

% Patents Active = 82.8

 

Average Co-Inventor Count = 2.4

ph-index = 11

Forward Citations = 479(Granted Patents)

Forward Citations (Not Self Cited) = 425(Dec 10, 2025)


Company Filing History:


Years Active: 2004-2026

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Areas of Expertise:
Bicycle Gear Shifting
Electromechanical Derailleur
Adjustable Seatpost
Bicycle Suspension
Control Assembly
Fluid Damper
Rear Derailleur
Front Gear Changer
Wireless Shifting System
Seat Post Control
Bicycle Control System
Decoupling Hub
58 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Christopher Shipman in Bicycle Technology

Introduction

Christopher Shipman, an inventor based in Chicago, IL, has made significant strides in the field of bicycle technology, holding an impressive total of 51 patents. His work focuses on enhancing the cycling experience through innovative gear shifting systems and seat post assemblies, reflecting a commitment to both functionality and performance in cycling.

Latest Patents

Among his latest inventions is a novel **Bicycle Gear Shifting System**. This system includes a front shifting mechanism designed to transmit a wireless signal, incorporating a crank assembly with dual crank arms, each equipped with a pedal. The crank assembly operates about a rotation axis and is linked to a front shift unit that features both a large and a small chain ring, allowing seamless shifting based on wireless signals received from the shifter. This innovation illustrates a significant advancement in bike shifting technology, promoting ease of use for cyclists.

Another notable invention by Shipman is the **Adjustable Seatpost**. This assembly consists of two tubes adjustable relative to one another to modify the distance between their distal ends. The design includes two pressure chambers, one influenced by an applied load and the other independent of it. A valve within the flow path between these chambers allows for controlled movement, enhancing the user experience by optimizing seating comfort and positioning for cyclists.

Career Highlights

Christopher Shipman currently works for SRAM Corporation, a leading company in the bicycle components industry. His inventive solutions have undoubtedly contributed to the company’s reputation for high-quality performance products, allowing SRAM to maintain its competitive edge.

Collaborations

Throughout his career, Shipman has collaborated with talented individuals such as Brian T. Jordan and Kevin F. Wesling. These partnerships highlight the importance of teamwork in driving innovative solutions in the competitive landscape of bicycle technology.

Conclusion

With a remarkable portfolio of 51 patents, Christopher Shipman exemplifies the impactful role of inventors in advancing technologies that enhance user experience. His contributions to SRAM Corporation continue to benefit cyclists around the world, showcasing the power of innovation in the cycling industry. Christopher's work not only improves the functionality of bicycles but also pushes the boundaries of what is possible in bicycle design.

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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