B29C 49/0015
Making articles of indefinite length
Official title: {Making articles of indefinite length, e.g. corrugated tubes}
B29C49/0015 (Making articles of indefinite length) appears on 182 US grants and 109 published applications in this corpus.
Search patents in B29C- Granted patents
- 182
- Published applications
- 109
- Assignees
- 72
- Inventors
- 210
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 6 | 4 |
| 2003 | 6 | 6 |
| 2004 | 4 | 13 |
| 2005 | 3 | 5 |
| 2006 | 5 | 10 |
| 2007 | 7 | 4 |
| 2008 | 1 | 4 |
| 2009 | 5 | 6 |
| 2010 | 1 | 9 |
| 2011 | 1 | 2 |
| 2012 | 4 | 4 |
| 2013 | 3 | 3 |
| 2014 | 5 | 1 |
| 2015 | 1 | 7 |
| 2016 | 4 | 2 |
| 2017 | 1 | 8 |
| 2018 | 3 | 3 |
| 2019 | 4 | 5 |
| 2020 | 3 | 1 |
| 2021 | 5 | 5 |
| 2022 | 5 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 49/0021Using moulds or mould parts movable in a closed path131
- B29C 49/0025Subsequent mould cavities being different29
- B29C 49/0029Wherein the process is characterised by the pressure used22
- B29C 49/0027Involving the change of moulds18
- B29C 49/003Wherein the process is characterised by temperature conditioning13
- B29C 49/0024Using varying mould speed8
- B29C 49/0023Using adjustable machine tables2
- B29C 49/0028Using variable forming length1
Recent patents
- Multi-lumen tube extrusion molding apparatus21 Apr 2026US 12,605,872 B2Pla Giken Co., Ltd.
- System and method for mold block exchange on return track27 Jan 2026US 12,533,831 B2
- Systems and methods for rotary Blow-Fill-Seal (BFS) machine staged vacuum18 Feb 2025US 12,226,944 B2Koska Family Limited
- Tube arrangement for the transport of tempering medium12 Mar 2024US 11,927,295 B2Ti Automotive Technology Center GmbH
- Device for producing plastic pipe18 Apr 2023US 11,628,612 B2Unicor GmbH
- Cooling line assembly16 Jul 2026US 2026/0202147 A1HS R & A Co., Ltd.
- System and Method for Mold Block Exchange on Return Track26 Sep 2024US 2024/0316828 A1
- Multi-lumen tube extrusion molding apparatus1 Aug 2024US 2024/0253286 A1Pla Giken Co., Ltd.
- Systems and methods for rotary blow-fill-seal (bfs) machine staged vacuum11 Jan 2024US 2024/0009911 A1Koska Family Limited
- Tube manufacturing method, extrusion molding machine, mold for extrusion molding, winding device, and tube29 Jun 2023US 2023/0202088 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Apparatus for making high speed corrugated plastic tubing51US 3,981,663 A1976
- Apparatus for producing thermoplastic tubing50US 4,319,872 A1982
- Method of making fluid distribution devices particularly useful for drip irrigation50US 4,473,525 A1984
- Method for producing a double wall pipe50US 5,124,109 AContech Construction Products Inc. · 1992
- Method and apparatus for continuously extruding single-wall pipe of plastics or other mouldable material49US 4,710,337 AUponor N.V. · 1987