G01M 3/283
For double-walled pipes
Official title: {for double-walled pipes}
G01M3/283 (For double-walled pipes) appears on 93 US grants and 62 published applications in this corpus.
Search patents in G01M- Granted patents
- 93
- Published applications
- 62
- Assignees
- 65
- Inventors
- 170
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 3 | 4 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 2 | 3 |
| 2011 | 3 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 4 |
| 2015 | 5 | 4 |
| 2016 | 1 | 2 |
| 2017 | 5 | 1 |
| 2018 | 1 | 5 |
| 2019 | 2 | 3 |
| 2020 | 4 | 4 |
| 2021 | 5 | 6 |
| 2022 | 3 | 6 |
| 2023 | 3 | 2 |
| 2024 | 6 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring of lined pipeline31 Mar 2026US 12,590,665 B2Pioneer Lining Technology Limited
- Gas supply system for a gas engine or dual-fuel engine and method for operating the same1 Jul 2025US 12,345,213 B2MAN Energy Solutions SE
- Double-wall hydrogen pipeline comprising at least one system for detecting a leak at at least one coupling system, and aircraft comprising at least one such pipeline3 Jun 2025US 12,319,429 B2Airbus Operations GmbH
- Coupling for vacuum-insulated piping3 Dec 2024US 12,158,231 B2Airbus Operations GmbH
- Method for detecting and preventing leaks12 Nov 2024US 12,140,506 B2Inwa AG
- Monitoring of Lined Pipeline11 Apr 2024US 2024/0117916 A1Pioneer Lining Technology Limited
- Floating hose segment and system of floating hose segments28 Mar 2024US 2024/0102587 A1Dunlop Oil & Marine Ltd.
- Monitoring of Lined Pipeline6 Jul 2023US 2023/0213136 A1
- Double-wall hydrogen pipeline comprising at least one system for detecting a leak at at least one coupling system, and aircraft comprising at least one such pipeline30 Mar 2023US 2023/0102097 A1Airbus Operations GmbH
- Leak detection for pressurized fluid systems15 Dec 2022US 2022/0397478 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Fluid delivery pipe with leak detection113US 6,032,699 AFuron Company · 2000
- Pipeline monitoring and leak containment system and apparatus therefor86US 5,072,622 A1991
- Environmentally safe underground piping system86US 5,297,896 AEnviron Products, Inc. · 1994
- Self-supporting pipe rupture and whip restraint80US 4,644,780 AWestinghouse Electric Corp. · 1987
- Dual hose assembly and control system for truck-to-truck fuel transfer67US 6,082,392 AGeneral Transervice, Inc. · 2000