F16L 41/00
Branching pipes
Official title: Branching pipes; Joining pipes to walls (F16L39/00 takes precedence {; characterised by couplings of the quick-acting type F16L37/008; specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/26 })
F16L41/00 (Branching pipes) appears on 2,665 US grants and 2,276 published applications in this corpus.
Search patents in F16L- Granted patents
- 2,665
- Published applications
- 2,276
- Assignees
- 1,585
- Inventors
- 5,239
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 54 | 0 |
| 1977 | 29 | 0 |
| 1978 | 27 | 0 |
| 1979 | 22 | 0 |
| 1980 | 39 | 0 |
| 1981 | 34 | 0 |
| 1982 | 24 | 0 |
| 1983 | 19 | 0 |
| 1984 | 29 | 0 |
| 1985 | 29 | 0 |
| 1986 | 41 | 0 |
| 1987 | 36 | 0 |
| 1988 | 31 | 0 |
| 1989 | 42 | 0 |
| 1990 | 39 | 0 |
| 1991 | 41 | 0 |
| 1992 | 40 | 0 |
| 1993 | 42 | 0 |
| 1994 | 39 | 0 |
| 1995 | 54 | 0 |
| 1996 | 41 | 0 |
| 1997 | 49 | 0 |
| 1998 | 42 | 0 |
| 1999 | 50 | 0 |
| 2000 | 44 | 0 |
| 2001 | 37 | 12 |
| 2002 | 44 | 39 |
| 2003 | 40 | 39 |
| 2004 | 40 | 68 |
| 2005 | 31 | 64 |
| 2006 | 45 | 86 |
| 2007 | 29 | 53 |
| 2008 | 33 | 62 |
| 2009 | 38 | 69 |
| 2010 | 35 | 69 |
| 2011 | 39 | 59 |
| 2012 | 50 | 71 |
| 2013 | 42 | 93 |
| 2014 | 54 | 108 |
| 2015 | 62 | 89 |
| 2016 | 67 | 87 |
| 2017 | 81 | 102 |
| 2018 | 85 | 126 |
| 2019 | 104 | 119 |
| 2020 | 118 | 144 |
| 2021 | 111 | 123 |
| 2022 | 101 | 143 |
| 2023 | 127 | 137 |
| 2024 | 117 | 129 |
| 2025 | 114 | 102 |
| 2026 | 84 | 83 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 41/08Joining pipes to walls or pipes, the joined pipe axis being perpendicular1,136
- F16L 41/02Branch units914
- F16L 41/04Tapping pipe walls, i.e. making connections through the walls of pipes while459
- F16L 41/008Branching pipes: for connecting a measuring instrument146
- F16L 41/005Adjustable and comprising a hollow threaded part in an opening54
- F16L 41/001The wall being a pipe plate46
- F16L 41/18The branch pipe being movable41
- F16L 41/004Joining to walls at other than 90 degrees35
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Most cited
By later US patents
- Horn shaped multi-inlet pipe fitting540US 4,181,330 A1980
- Opthalmic fluid flow control system206US 4,935,005 ANestle S.A. · 1990
- Y-branch splittable connector187US 6,619,697 B2NKF Kabel B.V. · 2003
- Systems and methods for particle focusing in microchannels185US 8,186,913 B2The General Hospital Corporation · 2012
- Tube clamp and piercing device160US 4,112,944 A1978