F27B 7/34
Arrangements of heating devices
F27B7/34 (Arrangements of heating devices) appears on 120 US grants and 131 published applications in this corpus.
Search patents in F27B- Granted patents
- 120
- Published applications
- 131
- Assignees
- 120
- Inventors
- 343
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 4 |
| 2005 | 2 | 2 |
| 2006 | 0 | 4 |
| 2007 | 3 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 5 |
| 2010 | 2 | 5 |
| 2011 | 1 | 4 |
| 2012 | 3 | 5 |
| 2013 | 3 | 4 |
| 2014 | 4 | 6 |
| 2015 | 3 | 7 |
| 2016 | 2 | 7 |
| 2017 | 4 | 5 |
| 2018 | 4 | 2 |
| 2019 | 4 | 5 |
| 2020 | 3 | 2 |
| 2021 | 4 | 7 |
| 2022 | 5 | 2 |
| 2023 | 2 | 15 |
| 2024 | 1 | 9 |
| 2025 | 8 | 16 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cement kiln burner and method for operating same11 Aug 2026US 12,704,252 B2Taiheiyo Cement Corporation
- Method and apparatus for manufacturing cement using rotary generated thermal energy28 Jul 2026US 12,692,192 B2Coolbrook Oy
- Rotary kiln14 Jul 2026US 12,680,760 B2LG Chem.Ltd.
- 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
- System and method for thermally treatment of air-dispersible raw material3 Feb 2026US 12,540,098 B2thyssenkrupp AG
- Method for flame control in a rotary lime kiln1 Oct 2026US 2026/0298539 A1Valmet Corporation
- 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
- Steam partial pressure swing calcination process to produce high purity co2 from caco325 Jun 2026US 2026/0177317 A1
- Avoiding of emissions in the production of artificial pozzolans made of mineral material, in particular clays9 Apr 2026US 2026/0097990 A1thyssenkrupp AG
- System and method for triglyceride manufacture8 Jan 2026US 2026/0009583 A1Savor Foods Limited
Most cited
By later US patents
- Prefferential oxygen firing system for counter-current mineral calcining73US 6,077,072 AAmerican Air Liquide, Inc. · 2000
- System and method for oxidant injection in rotary kilns72US 6,116,896 AAir Liquide America Corporation · 2000
- Method for energy recovery from solid hazardous waste53US 4,850,290 AAsh Grove Cement Company · 1989
- Apparatus for charging solid fuel to rotary kilns34US 4,930,965 AAsh Grove Cement Company · 1990
- Rotary kiln and method of using such a kiln29US 4,462,793 AKawasaki Jukogyo Kabushiki Kaisha · 1984