B29C 49/0021
Using moulds or mould parts movable in a closed path
Official title: {using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports}
B29C49/0021 (Using moulds or mould parts movable in a closed path) appears on 131 US grants and 72 published applications in this corpus.
Search patents in B29C- Granted patents
- 131
- Published applications
- 72
- Assignees
- 44
- Inventors
- 131
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 6 | 4 |
| 2003 | 2 | 6 |
| 2004 | 4 | 9 |
| 2005 | 3 | 4 |
| 2006 | 4 | 9 |
| 2007 | 7 | 3 |
| 2008 | 1 | 3 |
| 2009 | 4 | 3 |
| 2010 | 1 | 6 |
| 2011 | 0 | 2 |
| 2012 | 4 | 1 |
| 2013 | 2 | 2 |
| 2014 | 3 | 0 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 1 | 5 |
| 2018 | 1 | 3 |
| 2019 | 3 | 3 |
| 2020 | 1 | 0 |
| 2021 | 4 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Device for producing plastic pipe18 Apr 2023US 11,628,612 B2Unicor GmbH
- Device for producing container products from plastics material7 Jun 2022US 11,351,715 B2Kocher-Plastik Maschinenbau GmbH
- Method for reducing the microbiological loading of container products22 Mar 2022US 11,279,098 B2Kocher-Plastik Maschinenbau GmbH
- 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.
- Resin filler tube and manufacturing method thereof25 Nov 2021US 2021/0362391 A1Sumitomo Riko Company Limited
- Device for Producing Plastic Pipe15 Apr 2021US 2021/0107208 A1Unicor GmbH, Hassfurt, GERMANY
- Device for producing plastic pipes15 Aug 2019US 2019/0248056 A1Unicor GmbH
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 and apparatus for continuously extruding single-wall pipe of plastics or other mouldable material49US 4,710,337 AUponor N.V. · 1987
- Method and apparatus for forming a double walled thermoplastic tube with integral bells38US 4,534,923 A1985