B29C 33/42
Moulds or cores: characterised by the shape of the moulding surface
Official title: characterised by the shape of the moulding surface, e.g. ribs or grooves
B29C33/42 (Moulds or cores: characterised by the shape of the moulding surface) appears on 1,374 US grants and 1,721 published applications in this corpus.
Search patents in B29C- Granted patents
- 1,374
- Published applications
- 1,721
- Assignees
- 937
- Inventors
- 3,707
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 20 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 25 | 0 |
| 1998 | 40 | 0 |
| 1999 | 24 | 0 |
| 2000 | 34 | 0 |
| 2001 | 26 | 6 |
| 2002 | 24 | 27 |
| 2003 | 25 | 45 |
| 2004 | 20 | 41 |
| 2005 | 20 | 50 |
| 2006 | 13 | 35 |
| 2007 | 16 | 40 |
| 2008 | 25 | 51 |
| 2009 | 13 | 70 |
| 2010 | 35 | 67 |
| 2011 | 25 | 66 |
| 2012 | 36 | 88 |
| 2013 | 43 | 89 |
| 2014 | 47 | 98 |
| 2015 | 61 | 91 |
| 2016 | 71 | 85 |
| 2017 | 64 | 83 |
| 2018 | 70 | 78 |
| 2019 | 62 | 89 |
| 2020 | 69 | 98 |
| 2021 | 56 | 92 |
| 2022 | 51 | 78 |
| 2023 | 72 | 82 |
| 2024 | 61 | 75 |
| 2025 | 61 | 54 |
| 2026 | 42 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Clamshell shape forming systems and methods6 Oct 2026US 12,752,498 B2Goodrich Corporation
- Water-based hydrogel blend coating and method of application to elastomeric articles22 Sep 2026US 12,741,065 B2Allegiance Corporation
- Molding die, method for manufacturing molding die, and method for manufacturing molded product15 Sep 2026US 12,734,731 B2Kasai Kogyo Co., Ltd.
- Imprinting apparatus15 Sep 2026US 12,736,872 B2Koninklijke Philips N. V.
- Mold for golf balls8 Sep 2026US 12,728,566 B2Sumitomo Rubber Industries, Ltd.
- Method of fabricating molds for forming eyepieces with integrated spacers8 Oct 2026US 2026/0307347 A1Magic Leap, Inc.
- Imprint apparatus, imprint method, and method of manufacturing article1 Oct 2026US 2026/0295926 A1Canon Kabushiki Kaisha
- Determination method, shaping method, article manufacturing method, information processing apparatus, storage medium, and shaping apparatus10 Sep 2026US 2026/0264315 A1Canon Kabushiki Kaisha
- Engineering plastics incorporating carbon fibers and carbon nanotubes for tuned performance characteristics10 Sep 2026US 2026/0265494 A1
- Mold manufacturing method, optical member manufacturing method, and spectacle lens10 Sep 2026US 2026/0267165 A1Hoya Lens Thailand Ltd.
Most cited
By later US patents
- Microfluidic structure and process for its manufacture704US 5,376,252 APharmacia Biosensor AB · 1994
- Method of forming articles including waveguides via capillary micromolding and microtransfer molding512US 6,355,198 B1President and Fellows of Harvard College · 2002
- Apparatus and method for manufacturing an intracutaneous microneedle array410US 6,312,612 B1The Procter & Gamble Company · 2001
- Mandrel for use in forming valved prostheses having polymer leaflets by dip coating319US 6,953,332 B1St. Jude Medical, Inc. · 2005
- Method for manufacturing an intracutaneous microneedle array286US 6,471,903 B2The Procter & Gamble Company · 2002