Assignee
INDUGAS INC
US17 patents
Top patents by PatentIndex Score
US5082055AJan 21, 1992
Gas fired radiant tube heater
INDUGAS INC363 citations99
US5020596AJun 4, 1991
Enhanced oil recovery system with a radiant tube heater
INDUGAS INC300 citations99
US4913065AApr 3, 1990
In situ thermal waste disposal system
INDUGAS INC255 citations99
US5249436AOct 5, 1993
Simplified, low cost absorption heat pump
INDUGAS INC36 citations93
US5224542AJul 6, 1993
Gas fired radiant tube heater
INDUGAS INC37 citations93
US5090891AFeb 25, 1992
Hybrid combustion device and system therefor
INDUGAS INC30 citations93
US4959009ASep 25, 1990
Pulse burner and method of operation
INDUGAS INC49 citations93
US5297959AMar 29, 1994
High temperature furnace
INDUGAS INC20 citations84
US5697778ADec 16, 1997
Daisywheel convector plate for batch coil annealing furnace
INDUGAS INC11 citations74
US5492168AFeb 20, 1996
High convective heat transfer immersion heater/cooler
INDUGAS INC14 citations74
US5419699AMay 30, 1995
Seal arrangement for batch coil annealing furnace
INDUGAS INC8 citations74
US5295822AMar 22, 1994
Convective heat transfer by cascading jet impingement in a batch coil annealling furnace
INDUGAS INC11 citations74
US5228513AJul 20, 1993
Convective heat transfer by cascading jet impingement
INDUGAS INC12 citations74
US5207972AMay 4, 1993
High temperature furnace
INDUGAS INC13 citations74
US5078368AJan 7, 1992
Gas fired melting furnace
INDUGAS INC15 citations74
US4781171ANov 1, 1988
Gas fired particulate melting apparatus and method
INDUGAS INC11 citations74
US5290017AMar 1, 1994
Cooling cover for batch coil annealing furnace
INDUGAS INC6 citations60