F28D 2021/0075
For syngas or cracked gas cooling systems
Official title: {for syngas or cracked gas cooling systems}
F28D2021/0075 (For syngas or cracked gas cooling systems) appears on 151 US grants and 92 published applications in this corpus.
Search patents in F28D- Granted patents
- 151
- Published applications
- 92
- Assignees
- 86
- Inventors
- 293
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 5 |
| 2009 | 2 | 10 |
| 2010 | 1 | 4 |
| 2011 | 4 | 5 |
| 2012 | 5 | 8 |
| 2013 | 5 | 3 |
| 2014 | 8 | 4 |
| 2015 | 1 | 2 |
| 2016 | 7 | 5 |
| 2017 | 1 | 7 |
| 2018 | 1 | 3 |
| 2019 | 5 | 6 |
| 2020 | 11 | 11 |
| 2021 | 4 | 4 |
| 2022 | 4 | 3 |
| 2023 | 3 | 4 |
| 2024 | 5 | 2 |
| 2025 | 3 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shell-and-tube heat exchanger, method of exchanging heat and use of heat exchanger22 Sep 2026US 12,741,261 B2Technip Energies France
- Heat transfer enhancement pipe as well as cracking furnace and atmospheric and vacuum heating furnace including the same23 Jun 2026US 12,663,224 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Thermal cracking tube with fluid agitating element11 Nov 2025US 12,467,698 B2Kubota Corporation
- Thermal cracking tube with fluid agitating element29 Jul 2025US 12,372,312 B2Kubota Corporation
- Heat exchanger for cooling cracked gas13 May 2025US 12,298,085 B2Borsig GmbH
- Thermal energy recovery devices for electrically heated cracking processes6 Aug 2026US 2026/0226353 A1Sabic Global Technologies B.V.
- Corrosion resistant nozzle and lid for an adiabatic gas cooler9 Apr 2026US 2026/0097409 A1Cg Thermal, LLC
- Quenching system and process for a quenching system for cooling cracked gas from a cracked gas furnace3 Apr 2025US 2025/0109340 A1Borsig GmbH
- Method and apparatus for heat recovery from cracked gas31 Oct 2024US 2024/0360368 A1Lummus Technology Inc.
- Transfer line exchanger with thermal spray coating17 Oct 2024US 2024/0344785 A1Basell Polyolefine GmbH
Most cited
By later US patents
- Direct quench apparatus147US 3,959,420 AStone & Webster Engineering Corp. · 1976
- Synthesis gas cooler and waste heat boiler38US 4,377,132 ATexaco Development Corporation · 1983
- Multi tube high pressure, high temperature reactor31US 4,221,763 ACities Service Company · 1980
- Close-coupled transfer line heat exchanger unit30US 4,457,364 AExxon Research & Engineering Co. · 1984
- Quench Process29US 4,279,734 AShell Oil Company · 1981