Chalfont, PA, United States of America

Steven J Spear

This inventor holds 3 USPTO granted patents. Top assignee: The Boeing Company. Active years: 2004-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Steven J Spear. Retrieved from https://idiyas.com/inventor/steven-j-spear

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


% Patents Active = 33.3

Average Co-Inventor Count = 2.6

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Aston, PA (US) (2004)
  • Chalfont, PA (US) (2008 - 2011)

Company Filing History:


Years Active: 2004-2011

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3 patents (USPTO):Explore Patents

Title: Innovations by Steven J Spear

Introduction

Steven J Spear is an accomplished inventor based in Chalfont, PA (US). He has made significant contributions to the field of aerospace engineering, particularly in rotor blade technology. With a total of 3 patents to his name, Spear's work has had a notable impact on helicopter design and functionality.

Latest Patents

One of his latest patents is the "Rotor blade adjustable weight retention system." This invention includes a tube member that defines an inner cavity, a plurality of weights, and a biasing member. The tube member is designed for insertion into a cavity of a rotor blade, allowing for the weights to be slide-ably inserted and removed to balance the rotor blade effectively. The biasing member ensures that the weights remain in place, enhancing the rotor blade's performance.

Another significant patent is the "Droop stop mechanism for helicopter rotor blade." This mechanism features a pair of opposing stops located on either side of the blade's flap hinge. An interposer is mounted on a rotatable shaft, which is biased by a torsion spring to limit blade droop. The design allows for greater blade droop when needed, improving the helicopter's operational capabilities.

Career Highlights

Steven J Spear is currently employed at The Boeing Company, where he continues to innovate and develop advanced aerospace technologies. His work has been instrumental in enhancing the safety and efficiency of rotorcraft.

Collaborations

Throughout his career, Spear has collaborated with notable colleagues, including Frank A Smith, Jr and Edward G Schellhase. These partnerships have fostered a creative environment that has led to groundbreaking advancements in rotor blade technology.

Conclusion

Steven J Spear's contributions to the field of aerospace engineering, particularly through his innovative patents, have significantly advanced helicopter technology. His work exemplifies the importance of innovation in enhancing safety and performance in aviation.

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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