F16L 51/00
Expansion-compensation arrangements for pipe-lines
Official title: Expansion-compensation arrangements for pipe-lines (telescopic pipes F16L27/12)
F16L51/00 (Expansion-compensation arrangements for pipe-lines) appears on 424 US grants and 356 published applications in this corpus.
Search patents in F16L- Granted patents
- 424
- Published applications
- 356
- Assignees
- 305
- Inventors
- 951
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 10 | 0 |
| 1978 | 11 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 13 | 0 |
| 1999 | 6 | 0 |
| 2000 | 14 | 0 |
| 2001 | 9 | 3 |
| 2002 | 5 | 3 |
| 2003 | 6 | 3 |
| 2004 | 2 | 3 |
| 2005 | 3 | 5 |
| 2006 | 5 | 4 |
| 2007 | 2 | 6 |
| 2008 | 0 | 4 |
| 2009 | 5 | 11 |
| 2010 | 7 | 15 |
| 2011 | 2 | 11 |
| 2012 | 3 | 13 |
| 2013 | 11 | 25 |
| 2014 | 8 | 15 |
| 2015 | 20 | 16 |
| 2016 | 11 | 28 |
| 2017 | 17 | 19 |
| 2018 | 20 | 30 |
| 2019 | 25 | 23 |
| 2020 | 23 | 23 |
| 2021 | 18 | 19 |
| 2022 | 21 | 17 |
| 2023 | 14 | 25 |
| 2024 | 14 | 12 |
| 2025 | 17 | 11 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vacuum-insulated double-wall piping for transporting cryogenic fluid9 Jun 2026US 12,650,197 B2Tb Global Technologies Ltd.
- Methods and Internet of Things systems for installing gas pipeline compensators of smart gas9 Jun 2026US 12,650,327 B2Chengdu Qinchuan Iot Technology Co., Ltd.
- Aircraft assembly2 Jun 2026US 12,643,672 B2Airbus Operations GmbH
- Tube joint26 May 2026US 12,638,116 B2Panasonic Projector & Display Corporation
- Thermally insulated transfer line12 May 2026US 12,624,789 B2MAGNA Energy Storage Systems GesmbH
- Pipe for the transfer of cryogenic fluid10 Sep 2026US 2026/0266409 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Low emission expansion joint assembly20 Aug 2026US 2026/0243385 A1Eagleburgmann Germany GmbH & Co.KG
- High pressure, low temperature coupling6 Aug 2026US 2026/0224267 A1BTG International Limited
- Ball joint for the piping of an engine, and associated piping and aircraft25 Jun 2026US 2026/0177173 A1
- Bellows joint fitting, method for treatment of process exhaust effluent, and processing apparatus25 Jun 2026US 2026/0177181 A1ASM IP Holding B. V.
Most cited
By later US patents
- Bellows sealed ball joint124US 5,286,071 AGeneral Electric Company · 1994
- Tuyere stock and compensator joint therefore118US 4,023,782 AS. A. des Anciens Etablissements Paul Wurth · 1977
- Expansion compensator for pipelines76US 4,045,056 A1977
- Flexible coupler apparatus66US 5,145,215 ASenior Engineering Investments AG · 1992
- Flexible tube with mutually parallel, ring-shaped flutes and axial support64US 4,791,963 AWitzenmann GmbH Metallschlauch-Fabrik Pforzheim · 1988