Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Plug comparator for checking the diameter of holes

Plug comparator for checking the diameter of holes

US Patent 4420889 · Granted Dec 20, 1983

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus for measuring and checking internal dimensions of mechanical pieces2011
Apparatus for dimensional and/or geometric checking of mechanical parts2008
Axial movement linear gauging head2004
Machining process for a gauging or measuring head2002
Gauging head and apparatus for the linear dimension checking of mechanical piece2001
Axial movement linear gauging head2001
Axial movement linear gauging head2000
Apparatus for checking geometrical features of pieces with rotational symmetry1999
Apparatus for checking geometrical features of pieces with rotational symmetry1998
Apparatus for checking surface features of conical parts including a probe dispo1996
Apparatus for non-contact dynamic inspections of a plurality of pieces1994
Probe for checking linear dimensions1994