Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for preparing rod stock for forging in manufacture of sucker rods

Apparatus for preparing rod stock for forging in manufacture of sucker rods

US Patent 4503308 · Granted Mar 5, 1985

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Drill rod with axial air passageway and method of making same2001
Tap hole drill for steelmaking vessel1998
Hand connect-disconnect coupling for blast furnace tap hole drill rod assembly1992
Blast furnace tap hole drill with centralizing drill rod support1991
Quick connect-disconnect coupling for blast furnace tap hole drill bit1991
Extension bar for blast furnace tap hole drill1991
Method of making class D sucker rods1984
Class D sucker rods1984
Method of normalizing sucker rods using a normalizing unloader1984
Method and apparatus for opening blast-furnace tap holes1984