F16L 39/06
Joints or fittings for double-walled or multi-channel pipes or pipe assemblies: of
Official title: of the multiline swivel type, e.g. comprising a plurality of axially mounted modules
F16L39/06 (Joints or fittings for double-walled or multi-channel pipes or pipe assemblies: of) appears on 133 US grants and 87 published applications in this corpus.
Search patents in F16L- Granted patents
- 133
- Published applications
- 87
- Assignees
- 106
- Inventors
- 215
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 4 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 3 |
| 2006 | 5 | 4 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 6 |
| 2012 | 5 | 0 |
| 2013 | 5 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 4 |
| 2016 | 1 | 4 |
| 2017 | 3 | 4 |
| 2018 | 4 | 5 |
| 2019 | 6 | 6 |
| 2020 | 5 | 3 |
| 2021 | 5 | 8 |
| 2022 | 2 | 6 |
| 2023 | 5 | 4 |
| 2024 | 9 | 6 |
| 2025 | 8 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Malleable press fittings25 Aug 2026US 12,716,538 B2ASC Engineered Solutions, LLC
- Additive manufactured hydraulic swivel bolt; and method16 Dec 2025US 12,498,069 B2Eaton Intelligent Power Limited
- Fluid manifold connector apparatus18 Nov 2025US 12,474,006 B2Noetic Technologies Inc.
- Rotating joint2 Sep 2025US 12,404,958 B2Nachi-Fujikoshi Corp.
- Swivel knuckle connection29 Jul 2025US 12,372,177 B2Medtronic Xomed, Inc.
- Systems for transferring fluid across a boundary and processes for using same2 Jul 2026US 2026/0185642 A1Sofec, Inc.
- High pressure process swivel19 Mar 2026US 2026/0078854 A1Moog Inc.
- Rotary joint5 Feb 2026US 2026/0036231 A1Pillar Corporation
- Malleable press fittings14 Aug 2025US 2025/0257837 A1ASC Engineered Solutions, LLC
- Fluid swivels and processes for pigging therethrough26 Jun 2025US 2025/0207713 A1Sofec, Inc.
Most cited
By later US patents
- Endoscope connector99US 4,261,345 AOlympus Optical Co., Ltd. · 1981
- Apparatus for coupling multi-conduit drill pipes67US 4,676,563 AInnotech Energy Corporation · 1987
- Marine riser57US 6,401,825 B1Petroleum Equipment Supply Engineering Company Limited · 2002
- Drill pipes and casings utilizing multi-conduit tubulars54US 4,836,305 APangaea Enterprises, Inc. · 1989
- Seal construction for fluid swivel joints incorporating a free-floating anti-extrusion device with oil injection system35US 4,602,806 AMobil Oil Corporation · 1986