F22B 37/04
And characterised by material
Official title: and characterised by material, e.g. use of special steel alloy
F22B37/04 (And characterised by material) appears on 52 US grants and 44 published applications in this corpus.
Search patents in F22B- Granted patents
- 52
- Published applications
- 44
- Assignees
- 50
- Inventors
- 155
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 4 |
| 2010 | 1 | 6 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 3 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 3 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for fabrication of corrosion-resistant tubing using minimal quantities of specialized material15 Oct 2024US 12,117,166 B2
- Heat exchange tube of waste heat boiler24 Oct 2023US 11,796,170 B2Zhejiang University
- Solar thermodynamic power generator4 Apr 2023US 11,619,379 B2Regen Technologies Pte. Ltd.
- Ni-based alloy pipe for nuclear power4 Jan 2022US 11,215,356 B2Nippon Steel Corporation
- High-chromium heat-resistant steel31 Aug 2021US 11,105,501 B2Tenaris Connections Limited
- Tube sheet protection in a process gas waste heat boiler13 Feb 2025US 2025/0052414 A1Topsoe A/S
- Method for fabrication of corrosion-resistant tubing using minimal quantities of specialized material11 Apr 2024US 2024/0117964 A1Caliber Elements LLC
- Low temperature heat exchanging system and method for a heat recovery steam generator3 Aug 2023US 2023/0243499 A1Nooter/Eriksen, Inc.
- Solar thermodynamic power generator8 Dec 2022US 2022/0390099 A1
- Heat exchange tube of waste heat boiler4 Aug 2022US 2022/0243908 A1Zhejiang University
Most cited
By later US patents
- Tapered corrosion protection of tubes at mud drum location46US 6,495,268 B1The Babcock & Wilcox Company · 2002
- Waste heat recovery apparatus36US 4,766,952 AFurukawa Electric Co., Ltd. · 1988
- Boiler tubes of enhanced efficiency and method of producing same31US 4,644,907 A1987
- Alloy for composite tubing in fluidized-bed coal combustor24US 4,685,427 AInco Alloys International, Inc. · 1987
- Boiler tube21US 4,505,232 ABabcock-Hitachi Kabushiki Kaisha · 1985