F22B 37/101
Tubes having fins or ribs
Official title: {Tubes having fins or ribs}
F22B37/101 (Tubes having fins or ribs) appears on 64 US grants and 55 published applications in this corpus.
Search patents in F22B- Granted patents
- 64
- Published applications
- 55
- Assignees
- 47
- Inventors
- 184
- Latest grant
- 24 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 1 | 2 |
| 2011 | 1 | 5 |
| 2012 | 1 | 2 |
| 2013 | 3 | 7 |
| 2014 | 3 | 2 |
| 2015 | 1 | 5 |
| 2016 | 3 | 4 |
| 2017 | 2 | 2 |
| 2018 | 7 | 6 |
| 2019 | 5 | 5 |
| 2020 | 5 | 3 |
| 2021 | 4 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Exhaust gas flow regulator and heat recovery steam generator having same24 Sep 2024US 12,098,659 B2Doosan Enerbility Co., Ltd.
- Steam generator pipe having a turbulence installation body29 Nov 2022US 11,512,849 B2Siemens Energy Global GmbH & Co. KG
- System and method for manufacturing a part29 Mar 2022US 11,286,536 B2General Electric Company
- Furnace wall, gasification unit and integrated gasification combined cycle, and method of manufacturing furnace wall23 Mar 2021US 10,954,853 B2Mitsubishi Power, Ltd.
- Flash boiler23 Feb 2021US 10,928,058 B2
- Gas-fired steam-injection boiler for oil field24 Oct 2024US 2024/0353095 A1China Petroleum & Chemical Corporation
- Exhaust gas flow regulator and heat recovery steam generator having same15 Feb 2024US 2024/0052761 A1Doosan Enerbility Co., Ltd.
- Gasifier wall, integrated gasification combined cycle power generation equipment comprising same, and method for producing gasifier wall8 Jul 2021US 2021/0207529 A1Mitsubishi Hitachi Power Systems, Ltd.
- System and method for manufacturing a part11 Feb 2021US 2021/0040575 A1General Electric Company
- Boiler Tube and Boiler Tube Unit and Furnace5 Nov 2020US 2020/0348018 A1Sandvik Intellectual Property AB
Most cited
By later US patents
- Rib design for boiler tubes29US 4,314,587 ACombustion Engineering, Inc. · 1982
- Boiler tube bank repair20US 5,542,177 A1996
- Multi-pipe once-through type boiler16US 4,825,813 AMiura Co., Ltd. · 1989
- Boiler tube bank repair16US 5,356,248 A1994
- Tube wall made of tubes which extend parallel to one another and horizontal to inclined15US 4,135,575 ABalcke-Durr Aktiengesellschaft · 1979