US Patent 7857724 Multi-group gearbox

Patent 7857724 was granted and assigned to ZF Friedrichshafen on December, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

ZF Friedrichshafen

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

78577240

Patent Inventor Names

Karl-Fritz Heinzelmann0

Date of Patent

December 28, 2010

Patent Application Number

117928890

Date Filed

November 29, 2005

Patent Primary Examiner

‌

Tisha D Lewis

Patent abstract

A multi-group transmission for a motor vehicle having a main transmission and a range group transmission downstream from the main transmission. The reverse gear is integrated into the range-group transmission.

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