Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Inner burr cutting, inner face cleaning and inner face painting apparatus for long pipes of small and medium diameters

Inner burr cutting, inner face cleaning and inner face painting apparatus for long pipes of small and medium diameters

US Patent 4233928 · Granted Nov 18, 1980

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Medical syringe2025
Medical syringe2025
Backhoe2007
Hood and protector portion of a backhoe2007
Work vehicle2006
Backhoe2003
Optical switch2002
Efficient inspection of light-gathering rate of microlens in solid state imaging2001
Electrostatic precipitator1997
Electrostatic precipitator1996
Computer aided planning support system1994
Electrostatic precipitator1993