Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process and apparatus for heat treating articles while hardening in gaseous medium

Process and apparatus for heat treating articles while hardening in gaseous medium

US Patent 5158625 · Granted Oct 27, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Methods of improving productivity of black liquor recovery boilers2004
Regenerative heat exchanger and method for heating a gas therewith2003
Process and apparatus for removing carbon monoxide from a gas stream2003
Method and device for filling a distribution line with corrosive gas2002
Methods of improving productivity of black liquor recovery boilers2002
Gas permeable refractory brick for use in regenerative heat exchanger and hot gr2002
Combustion assembly for a furnace and method of use2002
Heat recovery apparatus and methods of use2001
Method and apparatus for optical flame control of combustion burners2001
Combustion assembly for a furnace and method of use2001
Heat recovery apparatus and methods of use2000
Method and apparatus for optical flame control of combustion burners2000