Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Low frequency induction heater

Low frequency induction heater

US Patent 4331854 · Granted May 25, 1982

Estimated economic value: $1,511,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Systems and methods for making paperboard containers2005
Machine and system for packaging food products2004
Gas fired burner for sealing single and double sided polycoated paper cups2000
Apparatus and method for testing containers1997
Apparatus for coating paperboard containers1995
Methods for coating paper board containers1994
Wax-coated paperboard containers1992
Digital feed system1984
Induction furnace for heat shrinking thermoplastic sheet onto mandrels in a form1984