B29C 33/202
Clamping means operating on closed or nearly closed mould parts, the clamping
Official title: {Clamping means operating on closed or nearly closed mould parts, the clamping means being independently movable of the opening or closing means (clamping devices for injection moulding machines B29C45/64)}
B29C33/202 (Clamping means operating on closed or nearly closed mould parts, the clamping) appears on 203 US grants and 122 published applications in this corpus.
Search patents in B29C- Granted patents
- 203
- Published applications
- 122
- Assignees
- 166
- Inventors
- 496
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 4 |
| 2004 | 6 | 5 |
| 2005 | 3 | 2 |
| 2006 | 4 | 4 |
| 2007 | 1 | 2 |
| 2008 | 5 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 5 |
| 2013 | 2 | 6 |
| 2014 | 6 | 3 |
| 2015 | 4 | 6 |
| 2016 | 7 | 3 |
| 2017 | 4 | 6 |
| 2018 | 2 | 4 |
| 2019 | 3 | 4 |
| 2020 | 4 | 8 |
| 2021 | 7 | 8 |
| 2022 | 6 | 16 |
| 2023 | 5 | 6 |
| 2024 | 8 | 14 |
| 2025 | 8 | 3 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Shell removal device28 Jul 2026US 12,691,611 B2Align Technology, Inc.
- Mold clamping device and injection molding machine31 Mar 2026US 12,589,537 B2The Japan Steel Works, Ltd.
- Chemical bonding and tool therefore10 Mar 2026US 12,570,055 B2Qinetiq Limited
- Blade stringer forming methods and tooling17 Feb 2026US 12,552,113 B2The Boeing Company
- Mold arch reinforcement and labeling for dental appliance manufacturing10 Feb 2026US 12,544,201 B2Align Technology, Inc.
- Casting mold25 Jun 2026US 2026/0175288 A1Schock & Co. GmbH
- Virtual three-dimensional model design of a dental appliance mold21 May 2026US 2026/0137492 A1Align Technology, Inc.
- Mechanisms to automate removal of aligner from mold23 Apr 2026US 2026/0109084 A1Align Technology, Inc.
- Machine element for mounting a mold as well as a tie-bar-less molding machine havng such a machine component9 Apr 2026US 2026/0097547 A1Engel Austria GmbH
- Assembly to Form a Seal on a Conduit13 Nov 2025US 2025/0347363 A1The Boeing Company
Most cited
By later US patents
- Press system with interleaved embossing foil holders for nano-imprinting of recording media74US 8,496,466 B1WD Media, LLC · 2013
- Device for blow moulding71US 5,346,386 AKrupp Corpoplast Maschinenbau GmbH · 1994
- Mold clamping and precure of a polymerizable hydrogel67US 5,914,074 AJohnson & Johnson Vision Products, Inc. · 1999
- Contact lens casting mould51US 5,252,056 ACiba-Geigy Corporation · 1993
- Method of molding rigid foamed polyurethane articles46US 3,970,732 AKimball International, Inc. · 1976