B29C 45/6764
Using hydraulically connectable chambers of the clamping cylinder during the mould opening
Official title: {using hydraulically connectable chambers of the clamping cylinder during the mould opening and closing movement}
B29C45/6764 (Using hydraulically connectable chambers of the clamping cylinder during the mould opening) appears on 34 US grants and 5 published applications in this corpus.
Search patents in B29C- Granted patents
- 34
- Published applications
- 5
- Assignees
- 11
- Inventors
- 35
- Latest grant
- 13 May 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hydraulic device for back and forth movement of a machine part, and a clamping unit of an injection molding machine fitted with such a hydraulic device13 May 2008US 7,371,064 B2Billion S.A.
- Closing device in a plastic injection molding machine28 Aug 2007US 7,261,555 B1
- Closing device on a plastic injection molding machine11 Oct 2005US 6,953,334 B2
- Two-platen closing system for an injection molding machine12 Apr 2005US 6,877,977 B2Krauss-Maffei Kunststofftechnik GmbH
- Mold clamping apparatus28 May 2002US 6,394,787 B1A. K. Technical Laboratory, Inc.
- Mold clamping device1 Nov 2012US 2012/0276242 A1
- Hydraulic device for back and forth displacement of a machine piece and a closing unit on an injection moulding machine fitted with such a hydraulic device16 Jun 2005US 2005/0129805 A1Billion S.A.
- Mold clamping apparatus11 Nov 2004US 2004/0224052 A1
- Closing device on a plastic injection molding machine26 Feb 2004US 2004/0037916 A1
- Two-platen closing system for an injection molding machine18 Sep 2003US 2003/0175381 A1Krauss-Maffei Kunststofftechnik GmbH
Most cited
By later US patents
- Compact hydraulic drive for die closing unit of injection molding machine46US 4,380,427 A1983
- Hydraulic system for the mold clamping unit of a plastics injection molding machine40US 4,846,664 A1989
- Hydraulic speed controls for die closing unit of injection molding machine38US 4,565,116 A1986
- Clamping unit for injection molding machine38US 5,052,910 A1991
- Hydraulic system in an injection molding machine36US 5,129,806 A1992