B21K 1/24
Valve bodies
Official title: valve bodies; valve seats
B21K1/24 (Valve bodies) appears on 41 US grants and 29 published applications in this corpus.
Search patents in B21K- Granted patents
- 41
- Published applications
- 29
- Assignees
- 31
- Inventors
- 77
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 3 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 4 | 3 |
| 2021 | 1 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing a ductwork damper, ductwork damper, and ductwork damper unit incorporating same20 Aug 2024US 12,066,209 B2Capital Hardware Supply, LLC
- Hollow engine valve and production method thereof14 May 2024US 11,982,212 B2Fuji Oozx Inc.
- Check valve, air-conditioning apparatus, and method of manufacturing check valve30 Apr 2024US 11,969,774 B2Mitsubishi Electric Corporation
- Process and device for manufacturing hollow, internally cooled valves26 Dec 2023US 11,850,655 B2Federal-Mogul Valvetrain GmbH
- Solenoid valve with explosion-proof structure, fuel feeding system, and method of manufacturing the solenoid valve with explosion-proof structure26 Sep 2023US 11,767,928 B2Hanwha Aerospace Co., Ltd.
- Hollow engine valve and production method thereof9 Nov 2023US 2023/0358151 A1Fuji Oozx Inc.
- Solenoid valve with explosion-proof structure, fuel feeding system, and method of manufacturing the solenoid valve with explosion-proof structure20 Oct 2022US 2022/0333712 A1Hanwha Aerospace Co., Ltd.
- Check valve, air-conditioning apparatus, and method of manufacturing check valve5 May 2022US 2022/0134407 A1Mitsubishi Electric Corporation
- Method for producing a ductwork damper, ductwork damper, and ductwork damper unit incorporating same2 Sep 2021US 2021/0270493 A1Capital Hardware Supply, LLC
- Process and device for manufacturing hollow, internally cooled valves25 Feb 2021US 2021/0053105 A1Federal-Mogul Valvetrain GmbH
Most cited
By later US patents
- Apparatus and method for finishing fuel injector spray tips using EDM13US 4,639,568 AEx-Cell-O Corporation · 1987
- Vent valve10US 5,653,258 ABehr-Thomson GmbH & Co. · 1997
- Sintered alloy valve seat and method for manufacturing the same10US 7,089,902 B2Honda Motor Co., Ltd. · 2006
- Integral push fitting and valve with integral push fitting and method of manufacturing same9US 9,052,023 B22015
- Method for producing valve housings, and a valve housing7US 7,823,289 B2Behr Thermot-Tronik GmbH · 2010