Class F27B : FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
Subclass 1/22: Shaft or like vertical or substantially vertical furnaces (for preheating, burning, calcining or cooling lime, magnesia or dolomite C04B 2/12) Details, accessories, or equipment peculiar to furnaces of these types Arrangements of heat-exchange apparatus (heat-exchangers in general F28C, F28D)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12146711 | High temperature sintering furnace systems and methods | Mar 25, 22 | Nov 19, 24 | UNIVERSITY OF MARYLAND, COLLEGE PARK |
| 10611686 | Method and device for producing an expanded granulate | Jun 02, 16 | Apr 07, 20 | Binder & Co. AG |
| 9809495 | Method for the closed-cell expansion of mineral material | Oct 04, 12 | Nov 07, 17 | BINDER + CO AG |
| 9683781 | Indirect-heat thermal processing of bulk solids | Aug 13, 15 | Jun 20, 17 | SOLEX THERMAL SCIENCE INC. |
| 9625176 | Low emissions direct fired air heater | Oct 15, 10 | Apr 18, 17 | PROTO-TECHNICS, INC. |
| 9605326 | Method and system for operating a blast furnace with top-gas recycle and a fired tubular heater | Jul 03, 13 | Mar 28, 17 | HYL TECHNOLOGIES, S.A. DE C.V. |
| 8890036 | Vacuum oven | Mar 12, 13 | Nov 18, 14 | IBEX DENTAL TECHNOLOGIES, INC. |
| 8487220 | Vacuum oven | Nov 18, 10 | Jul 16, 13 | IBEX DENTAL TECHNOLOGIES, INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0109,908 | HIGH TEMPERATURE SINTERING FURNACE SYSTEMS AND METHODS | Oct 15, 24 | Apr 03, 25 | Not available |
| 2025/0003,681 | IMPROVEMENT IN A VERTICAL KILN | Nov 04, 22 | Jan 02, 25 | Not available |
| 2024/0361,074 | PARALLEL-FLOW REGENERATIVE SHAFT KILN AND METHOD FOR BURNING CARBONATE ROCK | Apr 25, 22 | Oct 31, 24 | Maerz Ofenbau AG; thyssenkrupp Polysius GmbH; THYSSENKRUPP AG; |
| 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 |
| 2024/0018,037 | PROCESS FOR DECARBONATING CARBONATED MATERIALS AND DEVICE THEREFOR | Sep 01, 21 | Jan 18, 24 | Not available |
| 2018/0141,862 | METHOD AND DEVICE FOR PRODUCING AN EXPANDED GRANULATE | Jun 02, 16 | May 24, 18 | Not available |
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