B29C 49/0022
Characterised by mould return means
Official title: {characterised by mould return means}
B29C49/0022 (Characterised by mould return means) appears on 46 US grants and 17 published applications in this corpus.
Search patents in B29C- Granted patents
- 46
- Published applications
- 17
- Assignees
- 13
- Inventors
- 42
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 4 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 2 | 1 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for mold block exchange on return track27 Jan 2026US 12,533,831 B2
- Filler tube and manufacturing process for the same5 Feb 2019US 10,195,936 B2Sumitomo Riko Company Limited
- Device for producing pipes made of thermoplastic2 Dec 2014US 8,899,956 B2
- Device for producing thermoplastic corrugated pipes20 May 2014US 8,727,760 B2Unicor GmbH
- Device for the production of corrugated pipes1 May 2012US 8,167,603 B2Drossbach GmbH & Co. KG
- System and Method for Mold Block Exchange on Return Track26 Sep 2024US 2024/0316828 A1
- Filler tube and manufacturing process for the same17 Aug 2017US 2017/0232838 A1Sumitomo Riko Company Limited
- Device for producing pipes made of thermoplastic17 May 2012US 2012/0121750 A1
- Device for producing thermoplastic corrugated pipes30 Sep 2010US 2010/0247704 A1Unicor GmbH
- Method and apparatus for producing pipes having a transverse profile from thermoplastic material9 Apr 2009US 2009/0091055 A1
Most cited
By later US patents
- Apparatus for producing thermoplastic tubing50US 4,319,872 A1982
- Apparatus for producing thermoplastic tubing37US 4,226,580 A1980
- Plastic tile corrugator37US 4,439,130 ACullom Machine Tool & Die, Inc. · 1984
- Apparatus for the manufacture of transversely contoured tubing from thermoplastic material34US 4,212,618 A1980
- Apparatus for the continuous manufacture of finned tubular sections made of synthetic material, and finned tubular sections33US 4,365,948 AArmosig S.A. · 1982