| 2024/0278,176 | VACUUM SWING CALCINATION PROCESS TO PRODUCE HIGH PURITY CO2 FROM CaCO3 | May 31, 22 | Aug 22, 24 | Not available |
| 2024/0254,043 | DECARBONATION PROCESS OF CARBONATED MATERIALS IN A MULTI-SHAFT VERTICAL KILN | May 10, 22 | Aug 01, 24 | Not available |
| 2024/0239,706 | DECARBONATION PROCESS OF CARBONATED MATERIALS IN A MULTI-SHAFT VERTICAL KILN | May 10, 22 | Jul 18, 24 | Not available |
| 2024/0228,373 | DECARBONATION PROCESS OF CARBONATED MATERIALS IN A MULTI-SHAFT VERTICAL KILN | May 10, 22 | Jul 11, 24 | Not available |
| 2024/0217,873 | METHOD AND INSTALLATION FOR PRODUCING LIME OR DOLIME | May 10, 22 | Jul 04, 24 | S.A. Lhoist Recherche et Developpement |
| 2024/0101,476 | Apparatus and process for production of burnt lime or dolomite | Aug 28, 23 | Mar 28, 24 | Not available |
| 2024/0067,563 | APPARATUS AND PROCESS FOR PRODUCTION OF BURNT LIME OR DOLOMITE | Aug 28, 23 | Feb 29, 24 | Not available |
| 2024/0018,037 | PROCESS FOR DECARBONATING CARBONATED MATERIALS AND DEVICE THEREFOR | Sep 01, 21 | Jan 18, 24 | Not available |
| 2023/0278,919 | CALCINER USING RECIRCULATED GASES | May 15, 23 | Sep 07, 23 | Not available |
| 2023/0257,302 | PARALLEL-FLOW REGENERATIVE SHAFT KILN AND METHOD FOR CALCINING CARBONATE ROCK | Jul 07, 21 | Aug 17, 23 | Maerz Ofenbau AG; THYSSENKRUPP AG; ThyssenKrupp Industrial Solutions AG; |
| 2023/0227,353 | METHOD OF CALCINING MINERAL ROCK IN A REGENERATIVE PARALLEL-FLOW VERTICAL SHAFT FURNACE, AND FURNACE USED | Jun 28, 21 | Jul 20, 23 | S. A. Lhoist Recherche et Developpement |
| 2020/0361,819 | CALCINER USING RECIRCULATED GASES | May 13, 20 | Nov 19, 20 | Carmeuse North America Services Inc. |
| 2020/0048,146 | LIME KILN APPARATUS FULLY RECYCLING CO2 | Oct 08, 19 | Feb 13, 20 | Not available |
| 2019/0077,705 | SYSTEM HAVING A FURNACE AND METHOD FOR OPERATING SUCH A SYSTEM | Mar 03, 17 | Mar 14, 19 | MAERZ OFENBAU AG; THYSSENKRUPP AG; |
| 2015/0353,421 | METHOD FOR BURNING LUMP MATERIAL | Sep 09, 13 | Dec 10, 15 | Maerz Ofenbau AG |
| 2014/0349,239 | METHOD FOR CHANGING HEAT TRANSFER BED DEPTH IN PACKED BED HEAT EXCHANGERS | Dec 27, 12 | Nov 27, 14 | Not available |
| 2014/0112,848 | METHOD FOR BURNING PELLETIZED GOOD | May 09, 12 | Apr 24, 14 | Maerz Ofenbau AG |
| 2013/0052,600 | KILN FOR THE PRODUCTION OF CALCIUM OXIDE | Mar 17, 10 | Feb 28, 13 | CIMPROGETTI S.R.L. |
| 2012/0244,484 | PARALLEL FLOW REGENERATIVE LIME KILN AND METHOD FOR THE OPERATION THEREOF | Sep 15, 10 | Sep 27, 12 | Maerz Ofenbau AG |
| 2009/0325,115 | VERTICAL FURNACE FOR FABRICATION OF FINE ARTIFICIAL LIGHTWEIGHT AGGREGATES | Dec 29, 06 | Dec 31, 09 | KYONGGI UNIVERSITY INDUSTRY & ACADEMIA COOPERATION FOUNDATION |