F16L 55/103
By temporarily freezing liquid sections in the pipe
Official title: by temporarily freezing liquid sections in the pipe
F16L55/103 (By temporarily freezing liquid sections in the pipe) appears on 56 US grants and 24 published applications in this corpus.
Search patents in F16L- Granted patents
- 56
- Published applications
- 24
- Assignees
- 35
- Inventors
- 88
- Latest grant
- 19 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 3 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for testing additively manufactured engine components19 Sep 2023US 11,761,855 B2Rtx Corporation
- System and method for providing upkeep and maintenance to piping systems17 Jul 2018US 10,024,479 B2
- Method for rapidly freezing pipe24 Apr 2018US 9,951,901 B2
- Cryogenic injection compositions, systems and methods for cryogenically modulating flow in a conduit13 Jun 2017US 9,677,714 B2Biofilm IP, LLC
- Magneto-cryogenic valves, systems and methods for modulating flow in a conduit28 Mar 2017US 9,605,789 B2Biofilm IP, LLC
- Pipe clamping apparatus9 Jul 2026US 2026/0194175 A1Kibosh Limited
- Fluid conduit freezing apparatus and method29 Jan 2026US 2026/0029378 A1Diversitech Corporation
- Apparatus and method for testing additively manufactured engine components7 Jan 2021US 2021/0003480 A1United Technologies Corporation
- An Arrangement for Forming a Freeze Plug in a Tubing30 Jan 2020US 2020/0032945 A1Ik-Norway AS
- Method for rapidly freezing pipe14 Apr 2016US 2016/0102798 A1
Most cited
By later US patents
- Apparatus for and method of controlling the opening and closing of channel for liquid207US 4,989,626 AHitachi, Ltd. · 1991
- Freeze valve and treatment enclosure controlled by at least one such valve32US 5,988,197 ABio Merieux · 1999
- Fluid flow control freeze/thaw valve for narrow bore capillaries or microfluidic devices32US 6,557,575 B1Waters Investments Limited · 2003
- Electrically heated fluid conduit30US 4,429,213 ADayco Corporation · 1984
- Freeze isolation seal29US 4,267,699 A1981