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Bishop's Steering Gear

Car Steering Gear Patents

A.E. Bishop Australian Patent 552975 lodged 7 May 1982

Arthur Bishop is an international leader in the field of vehicle steering.

Bishop power steering valves are used 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 manufacturers 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.