Assignee
MAERZ OFENBAU
CH·19 granted patents·3 pending applications·142 citations·filing 1979–2022
Top patents by PatentIndex Score
22 records- 0172US10301219B2Parallel-flow regenerative lime kilns and processes for burning and cooling carbonate rock in sameMAERZ OFENBAU·Filed 2014·Granted May 28, 2019·1 cites·8 claims
- 0270US4289482AFuel lance structure for a uniflow regenerative shaft furnaceMAERZ OFENBAU·Filed 1979·Granted Sep 15, 1981·12 cites·3 claims
- 0368US4315735AProcess for calcining mineral raw materials in a uniflow regenerative shaft furnaceMAERZ OFENBAU·Filed 1979·Granted Feb 16, 1982·22 cites·6 claims
- 0464US4382779ARegenerative shaft furnace for burning carbonate-containing raw materialsMAERZ OFENBAU·Filed 1980·Granted May 10, 1983·11 cites·8 claims
- 0562US5460517AShaft kiln for burning a lumpy mineral chargeMAERZ OFENBAU·Filed 1993·Granted Oct 24, 1995·26 cites·1 claims
- 0658US7544321B2Process container with cooling elementsMAERZ OFENBAU·Filed 2004·Granted Jun 9, 2009·7 cites·9 claims
- 0757US4810190AMethod and apparatus calcining mineral raw materials utilizing solid fuelMAERZ OFENBAU·Filed 1981·Granted Mar 7, 1989·15 cites·17 claims
- 0855US4534731AProcess and apparatus for calcining limestoneMAERZ OFENBAU·Filed 1983·Granted Aug 13, 1985·17 cites·5 claims
- 0954US11703280B2Method and shaft furnace for burning carbon-containing material in a shaft furnaceMAERZ OFENBAU·Filed 2020·Granted Jul 18, 2023·0 cites·17 claims
- 1054US2023257302A1Parallel-flow regenerative shaft kiln and method for calcining carbonate rockMAERZ OFENBAU·Filed 2021·Application pending·0 cites
- 1150US6461154B2Method for burning carbonate-containing materialMAERZ OFENBAU·Filed 2001·Granted Oct 8, 2002·6 cites·20 claims
- 1248US2023106711A1Method for burning carbon-containing material in a pfr shaft furnaceMAERZ OFENBAU·Filed 2021·Application pending·0 cites
- 1347US9919965B2Method for burning lump materialMAERZ OFENBAU·Filed 2013·Granted Mar 20, 2018·0 cites·13 claims
- 1447US7384263B2Process for burning lumps of material with lean gasMAERZ OFENBAU·Filed 2004·Granted Jun 10, 2008·4 cites·14 claims
- 1545US11034616B2System having a furnace and method for operating such a systemMAERZ OFENBAU·Filed 2017·Granted Jun 15, 2021·0 cites·12 claims
- 1645US10947125B2Furnace and method for operating a furnaceMAERZ OFENBAU·Filed 2017·Granted Mar 16, 2021·0 cites·18 claims
- 1742US2024361074A1Parallel-flow regenerative shaft kiln and method for burning carbonate rockMAERZ OFENBAU·Filed 2022·Application pending·0 cites
- 1841US4392821ACalcining furnace with gas-permeable wall structureMAERZ OFENBAU·Filed 1981·Granted Jul 12, 1983·11 cites·4 claims
- 1933US4480991AProcess of and apparatus for operating a shaft furnaceMAERZ OFENBAU·Filed 1982·Granted Nov 6, 1984·2 cites·10 claims
- 2027US4482280AFeeding apparatus for uniflow regenerative shaft furnaces for calcining limestone and similar mineral materialsMAERZ OFENBAU·Filed 1982·Granted Nov 13, 1984·3 cites·1 claims
- 2125US5248254AFurnace for the heat treatment of individual partsMAERZ OFENBAU·Filed 1992·Granted Sep 28, 1993·3 cites·11 claims
- 2220US5282742ADouble walking beam furnace for the heat treatment of individual partsMAERZ OFENBAU·Filed 1992·Granted Feb 1, 1994·2 cites·6 claims
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