F16L 23/167
In connection with the appearance or detection of leaks
Official title: {in connection with the appearance or detection of leaks}
F16L23/167 (In connection with the appearance or detection of leaks) appears on 94 US grants and 63 published applications in this corpus.
Search patents in F16L- Granted patents
- 94
- Published applications
- 63
- Assignees
- 78
- Inventors
- 181
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 4 |
| 2010 | 2 | 3 |
| 2011 | 1 | 5 |
| 2012 | 3 | 0 |
| 2013 | 2 | 3 |
| 2014 | 1 | 3 |
| 2015 | 3 | 4 |
| 2016 | 2 | 3 |
| 2017 | 4 | 3 |
| 2018 | 2 | 5 |
| 2019 | 3 | 1 |
| 2020 | 5 | 2 |
| 2021 | 4 | 1 |
| 2022 | 2 | 4 |
| 2023 | 0 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 2 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flange assembly24 Mar 2026US 12,584,573 B2Schlumberger Technology Corporation
- High pressure gas fitting leak detection systems and related methods17 Mar 2026US 12,578,246 B2HP Leak Detection LLC
- Method for producing a connection, and connection device3 Feb 2026US 12,540,694 B2Linde Aktiengesellschaft
- Compression limiting coupling pilot for composite seal21 Oct 2025US 12,449,038 B2ContiTech Deutschland GmbH
- High pressure gas fitting leak detection systems and related methods15 Apr 2025US 12,276,578 B1HP Leak Detection LLC
- High Pressure Gas Fitting Leak Detection Systems and Related Methods23 Jul 2026US 2026/0210793 A1HP Leak Detection LLC
- Flange assembly19 Mar 2026US 2026/0078850 A1Schlumberger Technology Corporation
- Apparatus and method for sealing and monitoring a bolted flange joint12 Feb 2026US 2026/0043503 A1
- Piping Connection Seal and Leak Detection1 Jan 2026US 2026/0002613 A1United States Department of Energy
- High Pressure Gas Fitting Leak Detection Systems and Related Methods10 Jul 2025US 2025/0224302 A1HP Leak Detection LLC
Most cited
By later US patents
- Apparatus and method for detecting fluid leakage71US 5,170,659 AKemp Development Corporation · 1992
- Shrouded fluid-conducting apparatus71US 6,848,720 B2The Boeing Company · 2005
- Apparatus and method for externally testing conduit connections62US 4,019,371 AExxon Production Research Company · 1977
- Junction assembly with leak detection means62US 5,090,871 ASystems Chemistry, Inc. · 1992
- Safety shield55US 5,312,137 ARamco Manufacturing, Inc. · 1994