B29C 61/025
For the production of hollow or tubular articles
Official title: {for the production of hollow or tubular articles}
B29C61/025 (For the production of hollow or tubular articles) appears on 89 US grants and 43 published applications in this corpus.
Search patents in B29C- Granted patents
- 89
- Published applications
- 43
- Assignees
- 65
- Inventors
- 171
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 1 | 4 |
| 2020 | 1 | 4 |
| 2021 | 2 | 3 |
| 2022 | 4 | 3 |
| 2023 | 1 | 1 |
| 2024 | 3 | 6 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heater system for catheter manufacturing5 May 2026US 12,618,616 B2
- Heat shrink tube and method for forming same27 May 2025US 12,313,191 B2Chemours-Mitsui Fluoroproducts Co., Ltd.
- Method of welding a sleeve to a tube, and device obtained thereby13 May 2025US 12,296,542 B2Enki S.R.L.
- Dual layer heat shrink tubing11 Jun 2024US 12,005,627 B2Zeus Co., Ltd.
- Biaxially oriented pipe with a thickened end portion28 May 2024US 11,992,997 B2Sabic Global Technologies B.V.
- Infrared heating device, heating device reflector assembly, and heating device control system3 Sep 2026US 2026/0257402 A1TE Connectivity Solutions GmbH
- Production of a pipe with a functional layer on a core and a pipe9 Oct 2025US 2025/0314334 A1Diehl Aviation Laupheim GmbH
- Heat Shrink Tube Heating System7 Aug 2025US 2025/0253555 A1Kunshan League Automechanism Co., Ltd.
- Shrink cap, device comprising a shrink cap, and method of manufacturing a shrink cap29 May 2025US 2025/0174421 A1
- Dual layer heat shrink tubing3 Oct 2024US 2024/0326318 A1Zeus Co., Ltd.
Most cited
By later US patents
- Electrically heated flexible tube having temperature measuring probe379US 4,038,519 ARhone-Poulenc Inc. · 1977
- Method of making durable sleeve for enclosing a bendable electrode tip assembly228US 5,257,451 AEP Technologies, Inc. · 1993
- Method of making expanded polytetrafluoroethylene products131US 6,203,735 B1Impra, Inc. · 2001
- Flexible bond for sleeves enclosing a bendable electrode tip assembly128US 5,628,775 AEP Technologies, Inc. · 1997
- Pultruded fibreglass spacer for sealed window units77US 4,564,540 A1986