F27B 7/38
Arrangements of cooling devices
F27B7/38 (Arrangements of cooling devices) appears on 132 US grants and 84 published applications in this corpus.
Search patents in F27B- Granted patents
- 132
- Published applications
- 84
- Assignees
- 120
- Inventors
- 329
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 9 |
| 2012 | 2 | 3 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 7 |
| 2018 | 7 | 4 |
| 2019 | 5 | 3 |
| 2020 | 0 | 0 |
| 2021 | 3 | 9 |
| 2022 | 3 | 0 |
| 2023 | 2 | 7 |
| 2024 | 5 | 8 |
| 2025 | 4 | 7 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Deployable multi-zone rotary-kiln system and method for recovery of gallium oxide from electronic waste15 Sep 2026US 12,735,769 B1Simple Approach Systems, Inc.
- Method and device for producing cement clinker1 Sep 2026US 12,723,002 B2thyssenkrupp AG
- Cooling apparatus23 Jun 2026US 12,663,213 B2Material Handling Technology S.R.L.
- Direct reduction of iron by hydrogen plasma in a rotary kiln reactor5 May 2026US 12,618,120 B2Uchicago Argonne, LLC
- Installation for the thermal treatment of dispersible raw material, and method for operating such an installation24 Feb 2026US 12,560,381 B2Dyckerhoff AG
- Direct reduction of iron by hydrogen plasma in a rotary kiln reactor27 Aug 2026US 2026/0250794 A1Uchicago Argonne, LLC
- Granular solids cooling line30 Jul 2026US 2026/0218983 A1Fives Fcb
- Method and system for pyrolytic recycling of mobile phone circuit boards18 Jun 2026US 2026/0166604 A1Guangzhou Aifengpai Environmental Protection Technology Co., Ltd.
- Heat recovery system for kiln and method for recovering heat from solids processed in a kiln27 Nov 2025US 2025/0362082 A1Innord Inc.
- Rotary sintering furnace20 Nov 2025US 2025/0354756 A1Guangzhou Tinci Materials Technology Co., Ltd.
Most cited
By later US patents
- Lightweight aggregate from flyash and sewage sludge44US 5,342,442 AWisconsin Electric Power Company · 1994
- Rotary combustor wall30US 4,226,584 AO'Connor Engineering Laboratories, Inc. · 1980
- Lightweight aggregate from flyash and sewage sludge30US 5,057,009 AWisconsin Electric Power Company · 1991
- Energy conserving limestone calcining system25US 4,748,010 AChemstar, Inc. · 1988
- Rotary kiln17US 4,353,687 AF. L. Smidth & Co. · 1982