F16L 25/01
Construction or details of pipe joints not provided for in, or of
Official title: specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof
F16L25/01 (Construction or details of pipe joints not provided for in, or of) appears on 406 US grants and 390 published applications in this corpus.
Search patents in F16L- Granted patents
- 406
- Published applications
- 390
- Assignees
- 253
- Inventors
- 792
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 2 |
| 2002 | 4 | 8 |
| 2003 | 4 | 8 |
| 2004 | 7 | 16 |
| 2005 | 10 | 11 |
| 2006 | 10 | 9 |
| 2007 | 6 | 11 |
| 2008 | 4 | 12 |
| 2009 | 8 | 11 |
| 2010 | 8 | 20 |
| 2011 | 9 | 15 |
| 2012 | 9 | 17 |
| 2013 | 15 | 25 |
| 2014 | 18 | 15 |
| 2015 | 14 | 19 |
| 2016 | 20 | 24 |
| 2017 | 21 | 25 |
| 2018 | 19 | 20 |
| 2019 | 22 | 25 |
| 2020 | 23 | 19 |
| 2021 | 20 | 20 |
| 2022 | 23 | 19 |
| 2023 | 17 | 16 |
| 2024 | 17 | 12 |
| 2025 | 9 | 7 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Hose joint12 May 2026US 12,624,781 B2Toyox Co., Ltd.
- Cooled electric cable assembly14 Apr 2026US 12,603,194 B1CAES Systems LLC
- Quick release safety assembly for air and electrical connections14 Apr 2026US 12,603,460 B2
- Well pipe having electrical conductor with improved electrical contacts1 Oct 2026US 2026/0298379 A1
- Insulation fitting23 Jul 2026US 2026/0213048 A1Georg Fischer Rohrleitungssysteme AG
- Coupling device28 May 2026US 2026/0146694 A1Surpass Industry Co., Ltd.
- Connector with a fluid module30 Apr 2026US 2026/0117903 A1Aptiv Technologies AG
- Antistatic fluid line18 Dec 2025US 2025/0383035 A1
Most cited
By later US patents
- Lightweight positive lock coupling522US 6,073,973 AStanley Aviation Corporation · 2000
- Downhole data transmission system288US 6,670,880 B1Novatek Engineering, Inc. · 2003
- Liquid tight connector236US 4,225,162 AAMP Incorporated · 1980
- Downhole data transmission system169US 6,717,501 B2Novatek Engineering, Inc. · 2004
- Wired pipe joint with current-loop inductive couplers159US 6,641,434 B2Schlumberger Technology Corporation · 2003