B29C 2045/1758
Exchanging stampers
Official title: {exchanging stampers}
B29C2045/1758 (Exchanging stampers) appears on 10 US grants and 1 published applications in this corpus.
Search patents in B29C- Granted patents
- 10
- Published applications
- 1
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 2 Mar 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Object conveying device2 Mar 2004US 6,698,570 B2Sony Disc Technology Inc.
- Device for manufacturing information carriers by injection moulding11 Mar 2003US 6,530,766 B1Axxicon Moulds Eindhoven B.V.
- Device for manufacturing information carriers by injection moulding2 May 2000US 6,056,530 AAxxicon Moulds Eindhoven B.V.
- Injection molding apparatus and process for changing mold elements10 Nov 1998US 5,833,902 AHusky Injection Molding Systems Ltd.
- Automatic stamper exchange device and injection molding apparatus employing the exchange device4 Feb 1997US 5,599,564 ASony Corporation
Most cited
By later US patents
- Installation for manufacturing registration carriers10US 5,451,155 AOd & Me B.V. · 1995
- Method of manufacturing information discs from a synthetic material by an injection molding device8US 4,917,833 AU. S. Philips Corporation · 1990
- Injection molding apparatus and process for changing mold elements7US 5,833,902 AHusky Injection Molding Systems Ltd. · 1998
- Mold closing unit for use in an injection molding machine for synthetic material5US 5,374,177 A1994
- Method for automatically exchanging a stamper unit with another one4US 5,394,599 ANissei Plastic Industrial Co., Ltd. · 1995