F27B 7/36
Arrangements of air or gas supply devices
F27B7/36 (Arrangements of air or gas supply devices) appears on 114 US grants and 117 published applications in this corpus.
Search patents in F27B- Granted patents
- 114
- Published applications
- 117
- Assignees
- 119
- Inventors
- 297
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 3 |
| 2003 | 1 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 2 | 4 |
| 2008 | 2 | 4 |
| 2009 | 2 | 4 |
| 2010 | 1 | 4 |
| 2011 | 1 | 2 |
| 2012 | 3 | 4 |
| 2013 | 1 | 4 |
| 2014 | 2 | 3 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 9 |
| 2018 | 2 | 3 |
| 2019 | 5 | 5 |
| 2020 | 5 | 6 |
| 2021 | 3 | 2 |
| 2022 | 1 | 7 |
| 2023 | 2 | 15 |
| 2024 | 4 | 8 |
| 2025 | 7 | 8 |
| 2026 | 6 | 8 |
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
- Drive shaft assembly for a rotary furnace21 Jul 2026US 12,687,340 B2X-energy, LLC
- 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
- Use of a hydraulic binder containing calcium aluminate for the production of a construction material12 May 2026US 12,623,963 B2ARDEX Group GmbH
- Cathode material drying device and cathode material drying production line7 Apr 2026US 12,595,962 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Direct-fired kiln using recycled flue gas8 Oct 2026US 2026/0309420 A1ExxonMobil Technology and Engineering Company
- Method for flame control in a rotary lime kiln1 Oct 2026US 2026/0298539 A1Valmet Corporation
- Method for manufacturing cement clinker10 Sep 2026US 2026/0265128 A1HSustainability GmbH
- Method for preparing silicon powders using waste silicon sludge, silicon powders for preparing a secondary battery negative-electrode material, and system for preparing silicon powders27 Aug 2026US 2026/0249334 A1Innox Ecom. Co., Ltd.
- Installation for thermal degradation of composite materials and associated method for recycling same16 Jul 2026US 2026/0199942 A1Acciona ConstruccióN, S.A.
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
- Oxidant-driven dust recycling process and device for rotary kilns68US 6,241,514 B1American Air Liquide, Inc. · 2001
- Oxygen lancing for production of cement clinker46US 5,572,938 APraxair Technology, Inc. · 1996
- Oxygen enrichment of cement kiln system combustion37US 6,488,765 B1Cemex, Inc. · 2002