This inventor holds 1 USPTO granted patent. Top assignee: Meta Platforms Technologies, LLC. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: John Stewart and His Speaker Force-Cancellation Invention.
Introduction
John Stewart is an inventor based in San Francisco, California. His work includes a patented speaker design intended to reduce forces transmitted through a speaker’s frame.
Latest Patents
Stewart is associated with 1 patent: “Speaker with Single Driver Force Cancellation.” The invention describes a speaker system with a diaphragm and motor assembly that move in response to an audio signal, generating pressure and force on the fixed frame. A passive radiator responds to pressure shunted through the frame, producing a counterforce that cancels at least part of the original force.
Career Highlights
Stewart is associated with Meta Platforms Technologies, LLC. His patent focuses on managing mechanical forces in a speaker system, with the aim of reducing vibration transmitted to its frame.
Collaborations
His listed coworkers include Jason Silver and Michael Zalisk.
Conclusion
John Stewart’s patented speaker design uses a passive radiator to counteract some of the forces generated during operation, highlighting his contribution to audio-system engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile