B29C 45/1756
Handling of moulds or mould parts
Official title: {Handling of moulds or mould parts, e.g. mould exchanging means (moulds per se B29C45/26)}
B29C45/1756 (Handling of moulds or mould parts) appears on 146 US grants and 122 published applications in this corpus.
Search patents in B29C- Granted patents
- 146
- Published applications
- 122
- Assignees
- 89
- Inventors
- 299
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 3 | 0 |
| 2006 | 0 | 7 |
| 2007 | 2 | 1 |
| 2008 | 1 | 3 |
| 2009 | 3 | 2 |
| 2010 | 4 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 3 |
| 2016 | 2 | 8 |
| 2017 | 4 | 7 |
| 2018 | 1 | 7 |
| 2019 | 9 | 7 |
| 2020 | 6 | 8 |
| 2021 | 11 | 9 |
| 2022 | 5 | 22 |
| 2023 | 4 | 7 |
| 2024 | 15 | 6 |
| 2025 | 5 | 9 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Housing and method for manufacturing the same1 Sep 2026US 12,722,333 B2Lite-On Technology Corporation
- Injection molding machine and method of operating the same21 Apr 2026US 12,605,870 B2The Japan Steel Works, Ltd.
- Injection molding machine and method of operating the same21 Apr 2026US 12,605,871 B2The Japan Steel Works, Ltd.
- Cylindrical brush and method of manufacture7 Apr 2026US 12,594,703 B2Tcnv, LLC
- Injection molding system and manufacturing system14 Oct 2025US 12,441,036 B2Seiko Epson Corporation
- Cylindrical brush and method of manufacture13 Aug 2026US 2026/0233446 A1Tcnv, LLC
- Automatic mold replacement system and method for shoe components30 Apr 2026US 2026/0114552 A1Comtech Chemical Co., Ltd.
- Housing and method for manufacturing the same30 Apr 2026US 2026/0115981 A1Lite-On Technology Corporation
- Device and method for removing inserts from injection moulds16 Apr 2026US 2026/0102954 A1
- Method and apparatus relating to injection molding contact lens mold halves8 Jan 2026US 2026/0008244 A1CooperVision International Limited
Most cited
By later US patents
- Device for pushing and pulling an accessory instrument of manufacturing plant71US 4,830,337 AAioi Seiki Kabushiki Kaisha · 1989
- Mold-changing apparatus for injection-molding machine48US 4,472,127 ABattenfeld Maschinenfabriken GmbH · 1984
- Apparatus for automatically exchanging die for injection molding44US 4,555,228 ASumitomo Heavy Industries, Ltd. · 1985
- Quick-change mold assembly for injection-molding machines38US 4,500,274 ABattenfeld Maschinenfabriken GmbH · 1985
- Quick change system for mold bases35US 5,350,289 AMaster Unit Die Products, Inc. · 1994