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Steering Gear
Patent Example
Bishop's Steering Gear
Car Steering Gear Patents
A.E. Bishop Australian Patent 552975 lodged 7 May 1982
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Arthur Bishop an international leader in the field of vehicle steering.
Bishop power steering valves are use in approximately 20% of the world's cars.
A.E. Bishop & Associates receives a royalty payment of up to $1.00 for each
unit manufactured and generates its financial return through effective use of
intellectual property. Arthur Bishop began developing and patenting automotive
power steering systems after World War II and built a company that has taken
out over 300 patents worldwide returning about $5 million a year in royalties.
The company does not manufacture any products itself but licenses car and component
manufactures and specialist manufactures of machinery around the world to use
its designs. Their patents are defended vigorously and many infringers prosecuted.
The full specification for the patent illustrated has 13 pages and 8 figures.
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