Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for manufacturing an air-gap-insulated exhaust manifold

Method for manufacturing an air-gap-insulated exhaust manifold

US Patent 6038769 · Granted Mar 21, 2000

Estimated economic value: $45,023,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for connecting a sheet metal component, such as a pipe, to a cast metal c2012
Apparatus for producing an assembly linkage on a hollow profile2006
Method and device for forming a hollow body2004
Process and apparatus for producing an assembly linkage on a hollow profile2003
Internal high pressure forming method for a workpiece2003
Air gap insulated exhaust pipe with branch pipe stub and method of manufacturing2003
Air gap insulated exhaust pipe with branch pipe stub and method of manufacturing2003
Process and apparatus for producing a linkage of an air/fuel ratio detector hold2002
Built-up airgap-insulated exhaust manifold of a motor vehicle and method for pro2002
Air gap insulated exhaust pipe with branch pipe stub and method of manufacturing2002
Process of manufacturing an air-gap-insulating exhaust elbow of a vehicle exhaus2002
Fastening an exhaust manifold to an engine cylinder head2001