F27B 7/2033
With means for precalcining the raw material
Official title: {with means for precalcining the raw material}
F27B7/2033 (With means for precalcining the raw material) appears on 197 US grants and 90 published applications in this corpus.
Search patents in F27B- Granted patents
- 197
- Published applications
- 90
- Assignees
- 79
- Inventors
- 324
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 14 | 0 |
| 1978 | 10 | 0 |
| 1979 | 1 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 11 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 2 |
| 2003 | 4 | 3 |
| 2004 | 2 | 4 |
| 2005 | 3 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 10 |
| 2010 | 1 | 5 |
| 2011 | 3 | 11 |
| 2012 | 8 | 4 |
| 2013 | 3 | 2 |
| 2014 | 9 | 5 |
| 2015 | 2 | 4 |
| 2016 | 6 | 2 |
| 2017 | 3 | 5 |
| 2018 | 0 | 0 |
| 2019 | 3 | 3 |
| 2020 | 2 | 3 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 4 | 5 |
| 2024 | 0 | 6 |
| 2025 | 0 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for producing cement clinker1 Sep 2026US 12,723,002 B2thyssenkrupp AG
- Installation for the thermal treatment of dispersible raw material, and method for operating such an installation24 Feb 2026US 12,560,381 B2Dyckerhoff AG
- System and method for thermally treatment of air-dispersible raw material3 Feb 2026US 12,540,098 B2thyssenkrupp AG
- Cement clinker production system and cement clinker production method6 Jan 2026US 12,515,985 B2Taiheiyo Cement Corporation
- Oxyfuel clinker production without recirculation of the preheater exhaust gases21 Nov 2023US 11,820,718 B2Thyssenkrupp Industrial Solutions AG
- Optimized conduction of heat in a plant for the thermal treatment of mineral substances6 Aug 2026US 2026/0227129 A1thyssenkrupp AG
- Avoiding of emissions in the production of artificial pozzolans made of mineral material, in particular clays9 Apr 2026US 2026/0097990 A1thyssenkrupp AG
- Method and apparatus for incineration of combustible waste during the manufacture of cement clinker26 Feb 2026US 2026/0055025 A1FLSmidth Cement A/S
- Renewable energy fueled industrial plants with integrated carbon capture27 Nov 2025US 2025/0361178 A1Tata Consultancy Services Limited
- Apparatus and method for manufacturing a product25 Sep 2025US 2025/0297807 A1Refractory Intellectual Property GmbH & Co.KG
Most cited
By later US patents
- Apparatus for the heat treatment of fine material99US 4,720,262 AKrupp Polysius AG · 1988
- Apparatus for calcining cement98US 3,975,148 AOnoda Cement Co., Ltd. · 1976
- Control of cement clinker production by analysis of sulfur in the end product47US 5,882,190 A1999
- Apparatus for continuously producing a cement clinker46US 4,295,823 ASumitomo Cement Co., Ltd. · 1981
- Method and apparatus for continuously producing a cement clinker27US 4,627,877 A1986