F27B 7/2016
Arrangements of preheating devices for the charge
Official title: {Arrangements of preheating devices for the charge}
F27B7/2016 (Arrangements of preheating devices for the charge) appears on 368 US grants and 183 published applications in this corpus.
Search patents in F27B- Granted patents
- 368
- Published applications
- 183
- Assignees
- 147
- Inventors
- 560
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 20 | 0 |
| 1978 | 17 | 0 |
| 1979 | 2 | 0 |
| 1980 | 19 | 0 |
| 1981 | 22 | 0 |
| 1982 | 17 | 0 |
| 1983 | 14 | 0 |
| 1984 | 11 | 0 |
| 1985 | 17 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 4 |
| 2003 | 8 | 5 |
| 2004 | 5 | 5 |
| 2005 | 5 | 6 |
| 2006 | 2 | 3 |
| 2007 | 2 | 4 |
| 2008 | 4 | 3 |
| 2009 | 2 | 13 |
| 2010 | 3 | 10 |
| 2011 | 5 | 17 |
| 2012 | 8 | 9 |
| 2013 | 9 | 4 |
| 2014 | 9 | 11 |
| 2015 | 8 | 9 |
| 2016 | 10 | 5 |
| 2017 | 11 | 13 |
| 2018 | 7 | 5 |
| 2019 | 5 | 8 |
| 2020 | 3 | 4 |
| 2021 | 6 | 4 |
| 2022 | 0 | 0 |
| 2023 | 5 | 16 |
| 2024 | 1 | 7 |
| 2025 | 3 | 11 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for producing cement clinker1 Sep 2026US 12,723,002 B2thyssenkrupp AG
- Method and apparatus for manufacturing cement using rotary generated thermal energy28 Jul 2026US 12,692,192 B2Coolbrook Oy
- Method and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy9 Jun 2026US 12,649,689 B2Coolbrook Oy
- Method of producing cement clinker and a second calcined material17 Mar 2026US 12,577,156 B2Amrize Technology Switzerland LLC
- Installation for the thermal treatment of dispersible raw material, and method for operating such an installation24 Feb 2026US 12,560,381 B2Dyckerhoff AG
- Refining and/or petrochemical facility and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy17 Sep 2026US 2026/0274747 A1Coolbrook Oy
- 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
- Calcination system and method for low-carbon cement clinker19 Feb 2026US 2026/0049027 A1Cbmi Construction Co., Ltd.
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
- Lightweight aggregate from flyash and sewage sludge44US 5,342,442 AWisconsin Electric Power Company · 1994