B29L 2031/603
One placed inside the other
Official title: {one placed inside the other, e.g. dual wall tubes}
B29L2031/603 (One placed inside the other) appears on 54 US grants and 39 published applications in this corpus.
Search patents in B29L- Granted patents
- 54
- Published applications
- 39
- Assignees
- 47
- Inventors
- 102
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 3 |
| 2004 | 0 | 1 |
| 2005 | 4 | 4 |
| 2006 | 1 | 0 |
| 2007 | 0 | 5 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 0 | 4 |
| 2011 | 1 | 0 |
| 2012 | 3 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 4 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of welding a sleeve to a tube, and device obtained thereby13 May 2025US 12,296,542 B2Enki S.R.L.
- Method and apparatus for producing double-walled containers5 Jul 2022US 11,375,852 B2
- Composite dual channel drill pipes and method of manufacture18 Jan 2022US 11,225,843 B2Saudi Arabian Oil Company
- Reinforcing system for reinforcing a cavity of a structural element1 Oct 2019US 10,427,722 B2Sika Technology AG
- Method to make tube-in-tube balloon30 Jul 2019US 10,363,400 B2Boston Scientific Scimed, Inc.
- Composite tubular structure10 Oct 2024US 2024/0337333 A1Composite Braiding Ltd
- Method of welding a sleeve to a tube, and device obtained thereby8 Jun 2023US 2023/0173767 A1Enki S.R.L.
- Double-walled container20 Oct 2022US 2022/0330756 A1
- Composite Dual Channel Drill Pipes and Method of Manufacture4 Feb 2021US 2021/0032943 A1Saudi Arabian Oil Company
- Method and apparatus for producing double-walled containers29 Aug 2019US 2019/0261814 A1
Most cited
By later US patents
- Double wall piping system99US 4,932,257 A1990
- Double-containment thermoplastic pipe assembly82US 4,786,088 AAsahi/America, Inc. · 1988
- Tube-in-tube balloon67US 8,168,275 B2Boston Scientific Scimed, Inc. · 2012
- Inductive welding of thermoplastic pipe54US 5,786,054 ANIBCO Inc. · 1998
- Double-containment thermoplastic pipe assembly51US 4,930,544 AAsahi/America, Inc. · 1990