F16L 13/00
Non-disconnectable pipe joints
Official title: Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints ({non-disconnectable pipe joints to walls or other pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of the other pipe F16L41/082;} joints for rigid pipes of plastics F16L47/00)
F16L13/00 (Non-disconnectable pipe joints) appears on 1,636 US grants and 1,580 published applications in this corpus.
Search patents in F16L- Granted patents
- 1,636
- Published applications
- 1,580
- Assignees
- 1,050
- Inventors
- 3,270
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 13 | 0 |
| 1978 | 20 | 0 |
| 1979 | 21 | 0 |
| 1980 | 17 | 0 |
| 1981 | 20 | 0 |
| 1982 | 20 | 0 |
| 1983 | 13 | 0 |
| 1984 | 17 | 0 |
| 1985 | 11 | 0 |
| 1986 | 18 | 0 |
| 1987 | 21 | 0 |
| 1988 | 14 | 0 |
| 1989 | 26 | 0 |
| 1990 | 12 | 0 |
| 1991 | 16 | 0 |
| 1992 | 25 | 0 |
| 1993 | 14 | 0 |
| 1994 | 25 | 0 |
| 1995 | 23 | 0 |
| 1996 | 26 | 0 |
| 1997 | 17 | 0 |
| 1998 | 28 | 0 |
| 1999 | 25 | 0 |
| 2000 | 24 | 0 |
| 2001 | 19 | 7 |
| 2002 | 29 | 18 |
| 2003 | 30 | 31 |
| 2004 | 21 | 43 |
| 2005 | 25 | 43 |
| 2006 | 20 | 49 |
| 2007 | 17 | 47 |
| 2008 | 19 | 58 |
| 2009 | 26 | 52 |
| 2010 | 24 | 76 |
| 2011 | 38 | 52 |
| 2012 | 23 | 52 |
| 2013 | 33 | 69 |
| 2014 | 36 | 73 |
| 2015 | 53 | 77 |
| 2016 | 51 | 80 |
| 2017 | 67 | 86 |
| 2018 | 71 | 92 |
| 2019 | 71 | 85 |
| 2020 | 75 | 85 |
| 2021 | 78 | 91 |
| 2022 | 72 | 87 |
| 2023 | 70 | 54 |
| 2024 | 87 | 71 |
| 2025 | 55 | 56 |
| 2026 | 40 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 13/14Made by plastically deforming the material of the pipe719
- F16L 13/02Welded joints552
- F16L 13/10Adhesive or cemented joints223
- F16L 13/08Soldered joints92
- F16L 13/004Shrunk pipe-joints72
- F16L 13/007Non-disconnectable pipe joints: specially adapted for joining pipes of dissimilar materials60
- F16L 13/12Non-disconnectable pipe joints: with a seal made of lead, caulked packing, or11
- F16L 13/002Non-disconnectable pipe joints: for pipes having a rectangular cross-section5
Recent patents
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Most cited
By later US patents
- Magnetic field concentrator for electromagnetic forming333US 7,513,025 B2The Boeing Company · 2009
- Expandable joint connector281US 6,409,175 B1Grant Prideco, L.P. · 2002
- Line with double spliced loops221US 5,970,697 A1999
- Connector assembly for an expandable slotted pipe213US 5,924,745 APetroline Wellsystems Limited · 1999
- Connector assembly for an expandable slotted pipe185US 5,984,568 AShell Oil Company · 1999