B22C 9/26
For ribbed tubes
Official title: for ribbed tubes; for radiators
B22C9/26 (For ribbed tubes) appears on 17 US grants and 13 published applications in this corpus.
Search patents in B22C- Granted patents
- 17
- Published applications
- 13
- Assignees
- 13
- Inventors
- 36
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 3 |
| 2021 | 2 | 3 |
| 2022 | 4 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Steam autoclave process chamber and the method of producing the steam autoclave process chamber1 Jul 2025US 12,343,712 B2Enbio Technology Sp. Z O.O.
- Method of wall control in multi-wall investment casting2 Apr 2024US 11,945,025 B1Rtx Corporation
- Stackable core system for producing cast plate heat exchanger10 Oct 2023US 11,781,819 B2Raytheon Technologies Corporation
- Stackable core system for producing cast plate heat exchanger25 Oct 2022US 11,480,397 B2Raytheon Technologies Corporation
- Closed-type liquid cooling motor frame and method for manufacturing the same4 Oct 2022US 11,462,977 B2Teco Electric & Machinery Co., Ltd.
- Steam autoclave process chamber and the method of producing the steam autoclave process chamber2 Oct 2025US 2025/0303378 A1Enbio Technology Sp. Z O.O.
- Stackable core system for producing cast plate heat exchanger29 Dec 2022US 2022/0412671 A1Raytheon Technologies Corporation
- Steam autoclave process chamber and the method of producing the steam autoclave process chamber30 Jun 2022US 2022/0203316 A1Enbio Technology Sp. Z O.O.
- Closed-type and liquid cooling motor frame and method for manufacturing the same9 Dec 2021US 2021/0384806 A1Teco Electric & Machinery Co., Ltd.
- Reduced cross flow linking cavities and method of casting26 Aug 2021US 2021/0262352 A1General Electric Company
Most cited
By later US patents
- Method for the production of heat exchangers26US 4,285,385 AHitachi, Ltd. · 1981
- Screw type compressor rotor, rotor casting core and method of manufacturing the rotor14US 5,772,418 ATochigi Fuji Sangyo Kabushiki Kaisha · 1998
- Cast metal heat exchanger, as well as mould therefor6US 4,089,302 ARemeha Fabrieken br - The Netherlands · 1978
- Cast iron recuperator6US 4,417,615 AThe Air Preheater Company, Inc. · 1983
- Cast metal heat exchanger and method of formation3US 4,383,499 APotterton International Limited · 1983