F16L 3/23
For a bundle of pipes or a plurality of pipes placed side
Official title: for a bundle of pipes or a plurality of pipes placed side by side in contact with each other (F16L3/237 takes precedence)
F16L3/23 (For a bundle of pipes or a plurality of pipes placed side) appears on 624 US grants and 467 published applications in this corpus.
Search patents in F16L- Granted patents
- 624
- Published applications
- 467
- Assignees
- 300
- Inventors
- 953
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 13 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 21 | 0 |
| 1999 | 11 | 0 |
| 2000 | 16 | 0 |
| 2001 | 15 | 4 |
| 2002 | 19 | 15 |
| 2003 | 26 | 15 |
| 2004 | 8 | 12 |
| 2005 | 5 | 18 |
| 2006 | 10 | 13 |
| 2007 | 8 | 12 |
| 2008 | 8 | 18 |
| 2009 | 4 | 11 |
| 2010 | 16 | 18 |
| 2011 | 10 | 16 |
| 2012 | 9 | 16 |
| 2013 | 7 | 7 |
| 2014 | 15 | 21 |
| 2015 | 16 | 24 |
| 2016 | 19 | 24 |
| 2017 | 23 | 21 |
| 2018 | 21 | 26 |
| 2019 | 28 | 29 |
| 2020 | 23 | 26 |
| 2021 | 20 | 22 |
| 2022 | 18 | 25 |
| 2023 | 28 | 27 |
| 2024 | 23 | 27 |
| 2025 | 18 | 16 |
| 2026 | 9 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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Most cited
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