Assignee
MAERZ OFENBAU
CH19 patents
Top patents by PatentIndex Score
US5460517AOct 24, 1995
Shaft kiln for burning a lumpy mineral charge
MAERZ OFENBAU26 citations83
US4315735AFeb 16, 1982
Process for calcining mineral raw materials in a uniflow regenerative shaft furnace
MAERZ OFENBAU22 citations77
US4810190AMar 7, 1989
Method and apparatus calcining mineral raw materials utilizing solid fuel
MAERZ OFENBAU15 citations71
US4382779AMay 10, 1983
Regenerative shaft furnace for burning carbonate-containing raw materials
MAERZ OFENBAU11 citations71
US4289482ASep 15, 1981
Fuel lance structure for a uniflow regenerative shaft furnace
MAERZ OFENBAU12 citations71
US4534731AAug 13, 1985
Process and apparatus for calcining limestone
MAERZ OFENBAU17 citations66
US4392821AJul 12, 1983
Calcining furnace with gas-permeable wall structure
MAERZ OFENBAU11 citations65
US7544321B2Jun 9, 2009
Process container with cooling elements
MAERZ OFENBAU7 citations61
US4480991ANov 6, 1984
Process of and apparatus for operating a shaft furnace
MAERZ OFENBAU2 citations60
US10301219B2May 28, 2019
Parallel-flow regenerative lime kilns and processes for burning and cooling carbonate rock in same
MAERZ OFENBAU1 citations59
US7384263B2Jun 10, 2008
Process for burning lumps of material with lean gas
MAERZ OFENBAU4 citations59
US6461154B2Oct 8, 2002
Method for burning carbonate-containing material
MAERZ OFENBAU6 citations57
US4482280ANov 13, 1984
Feeding apparatus for uniflow regenerative shaft furnaces for calcining limestone and similar mineral materials
MAERZ OFENBAU3 citations52
US5282742AFeb 1, 1994
Double walking beam furnace for the heat treatment of individual parts
MAERZ OFENBAU2 citations51
US5248254ASep 28, 1993
Furnace for the heat treatment of individual parts
MAERZ OFENBAU3 citations51
US11703280B2Jul 18, 2023
Method and shaft furnace for burning carbon-containing material in a shaft furnace
MAERZ OFENBAU0 citations47
US11034616B2Jun 15, 2021
System having a furnace and method for operating such a system
MAERZ OFENBAU0 citations47
US10947125B2Mar 16, 2021
Furnace and method for operating a furnace
MAERZ OFENBAU0 citations47
US9919965B2Mar 20, 2018
Method for burning lump material
MAERZ OFENBAU0 citations47