F16K 27/07
Construction of housing: of cutting-off parts of tanks
Official title: of cutting-off parts of tanks, e.g. tank-cars
F16K27/07 (Construction of housing: of cutting-off parts of tanks) appears on 164 US grants and 82 published applications in this corpus.
Search patents in F16K- Granted patents
- 164
- Published applications
- 82
- Assignees
- 87
- Inventors
- 192
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 16 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 4 |
| 2003 | 3 | 6 |
| 2004 | 3 | 4 |
| 2005 | 5 | 5 |
| 2006 | 4 | 6 |
| 2007 | 2 | 8 |
| 2008 | 0 | 2 |
| 2009 | 3 | 2 |
| 2010 | 2 | 7 |
| 2011 | 2 | 7 |
| 2012 | 2 | 0 |
| 2013 | 3 | 5 |
| 2014 | 6 | 2 |
| 2015 | 3 | 3 |
| 2016 | 4 | 4 |
| 2017 | 4 | 3 |
| 2018 | 2 | 3 |
| 2019 | 4 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 0 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Railway tank car having a discharge valve assembly and a dis-engageable valve handle assembly coupled to the discharge valve assembly15 Sep 2026US 12,736,149 B2Gunderson LLC
- Tank car bottom outlet valve operating assembly26 May 2026US 12,638,100 B2Trinity Rail Group, LLC
- Vacuum pressure proportional control valve12 Jul 2022US 11,384,864 B2Ckd Corporation
- Connector head and valve block14 Jun 2022US 11,358,186 B2GEA Aseptomag AG
- Valve for large scale irrigation8 Feb 2022US 11,242,937 B2Country Cocky Pty. Ltd.
- Tank car outlet valve arrangement11 Jun 2026US 2026/0160357 A1A. Stucki Company
- Railway tank car having a discharge valve assembly and a dis-engageable valve handle assembly coupled to the discharge valve assembly16 Apr 2026US 2026/0104101 A1Gunderson LLC
- Tank car bottom outlet valve operating assembly17 Apr 2025US 2025/0122948 A1Trinity Rail Group, LLC
- Tanker railroad car having non-contact volume sensing assembly26 Dec 2024US 2024/0425090 A1Gunderson LLC
- Vacuum pressure proportional control valve6 Aug 2020US 2020/0248685 A1Ckd Corporation
Most cited
By later US patents
- Flush sealing tank valve with diaphgram54US 4,836,236 A1989
- Fluid transfer assembly and methods of fluid transfer33US 8,777,182 B2GrinOn Industries · 2014
- Lightning protected check-type drain valve31US 4,437,487 ALockheed Corporation · 1984
- Bottom outlet valve open and closed indicator26US 4,327,768 AACF Industries, Incorporated · 1982
- Aseptic valve25US 4,325,401 AKagome Co., Ltd. · 1982