How the Wright Brothers' First Flying Machine Controlled Flight
The Wright Brothers' 1906 patent describes their pioneering flying machine, which used a unique wing-warping system and rudder for controlled flight, marking a foundational step in aviation history.
Original patent title: “Flying-machine.”
What this patent covers
The actual claim
This patent describes a flying machine designed for controlled flight. It includes a system for changing the shape of the main wings, known as wing warping, to control the aircraft's roll. This wing warping works together with a movable rudder to steer the machine during turns. The design also incorporates front-mounted horizontal surfaces, called elevators, to control the machine's pitch, allowing the pilot to raise or lower the nose. For example, a pilot could twist the wings to bank the machine, then use the rudder to turn, and adjust the elevators to maintain altitude.
What this patent does NOT cover
The boundaries
- Does not cover aircraft that use jet engines for propulsion.
- Does not cover aircraft that control roll using separate hinged ailerons on rigid wings.
- Does not cover aircraft designed for vertical take-off and landing, like helicopters.
- Does not cover aircraft with multiple engines or alternative power sources.
These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.
What made this novel
The clever bit was the invention of a coordinated three-axis control system. This allowed a pilot to actively control the aircraft's pitch, roll, and yaw simultaneously, notably through wing warping linked to the rudder, which was crucial for stable and steerable flight.
Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.
Where you've seen this
Real-world examples
Wright Flyer I
Early biplane aircraft
Why it matters
The bigger picture
This patent is historically significant because it describes the fundamental control mechanisms of the Wright Flyer, the first successful heavier-than-air machine capable of sustained, controlled flight. It established the core principles of three-axis control—pitch, roll, and yaw—which became essential for all future aircraft design. This invention laid the foundation for the entire aviation industry, transforming transportation and global connectivity.
Filed
March 23, 1903
Granted
May 22, 1906
Claim 1 — Plain English
What this patent covers
This patent describes a flying machine designed for controlled flight. It includes a system for changing the shape of the main wings, known as wing warping, to control the aircraft's roll. This wing warping works together with a movable rudder to steer the machine during turns. The design also incorporates front-mounted horizontal surfaces, called elevators, to control the machine's pitch, allowing the pilot to raise or lower the nose. For example, a pilot could twist the wings to bank the machine, then use the rudder to turn, and adjust the elevators to maintain altitude.
The clever bit
The clever bit was the invention of a coordinated three-axis control system. This allowed a pilot to actively control the aircraft's pitch, roll, and yaw simultaneously, notably through wing warping linked to the rudder, which was crucial for stable and steerable flight.
What it does not cover
- Does not cover aircraft that use jet engines for propulsion.
- Does not cover aircraft that control roll using separate hinged ailerons on rigid wings.
- Does not cover aircraft designed for vertical take-off and landing, like helicopters.
- Does not cover aircraft with multiple engines or alternative power sources.
Patent Journey
From filing to expiry
Patent Filed
1903
Patent Granted
1906 · 3yr after filing
Patent Expired
1923
PatentBrief Score
Impact Score
Early stage
Citation count
26/40
Moderately cited
Claim breadth
0/20
Narrow claims
Recency
0/20
Older than 20 years
Assignee scale
0/20
Independent or smaller assignee
PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.
Citations
Patent lineage
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