B29C 49/0025
Subsequent mould cavities being different
Official title: {subsequent mould cavities being different, e.g. for making bells}
B29C49/0025 (Subsequent mould cavities being different) appears on 29 US grants and 27 published applications in this corpus.
Search patents in B29C- Granted patents
- 29
- Published applications
- 27
- Assignees
- 16
- Inventors
- 34
- Latest grant
- 26 Apr 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 3 | 3 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Plastic pipe with bell26 Apr 2016US 9,321,210 B2
- Device for producing pipes made of thermoplastic2 Dec 2014US 8,899,956 B2
- Apparatus for the continuous production of a twin wall pipe with an integral socket5 Aug 2014US 8,794,948 B2
- Systems and methods for making multi-wall corrugated pipe12 Nov 2013US 8,579,624 B2Advanced Drainage Systems, Inc.
- Method and device for producing a double-walled thermoplastic corrugated pipe having a connecting sleeve31 Jul 2012US 8,231,824 B2Unicor GmbH
- Resin filler tube and manufacturing method for the same24 Jun 2021US 2021/0188081 A1Sumitomo Riko Company Limited
- Apparatus for the Continuous Production of a Twin Wall Pipe with an Integral Socket9 May 2013US 2013/0115324 A1
- Device for producing pipes made of thermoplastic17 May 2012US 2012/0121750 A1
- Plastic Pipe with Bell19 Apr 2012US 2012/0090721 A1Advanced Pipe Services, LLC
- Apparatus for continuously producing a compound pipe comprising a pipe socket12 Apr 2012US 2012/0085498 A1
Most cited
By later US patents
- Methods for forming tubing utilizing suction and pneumatic pressure at the surface of the cooling plug36US 5,296,188 ACorma Inc. · 1994
- Method and apparatus for the continuous manufacture of a compound pipe with a pipe socket33US 5,320,797 A1994
- Composite pipe with integral socket32US 5,992,469 A1999
- Composite pipe with a socket and method for its manufacture30US 5,996,635 A1999
- Forming single wall bells in double wall pipe29US 4,500,284 A1985