Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Air gap insulated exhaust pipe with branch pipe stub and method of manufacturing same

Air gap insulated exhaust pipe with branch pipe stub and method of manufacturing same

US Patent 6519851 · Granted Feb 18, 2003

Estimated economic value: $43,720,000 ⓘ

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
Apparatus for producing an assembly linkage on a hollow profile2006
Process and device for manufacturing holes on the circumference of hollow sectio2004
Process and apparatus for producing an assembly linkage on a hollow profile2003
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 for manufacturing holes on the circumference of hollow sections2002
Process and apparatus for producing a linkage of an air/fuel ratio detector hold2002
Process and apparatus for producing a linkage of an air/fuel ratio detector hold2002