B29C 33/38
Moulds or cores: characterised by the material or the manufacturing process
Official title: characterised by the material or the manufacturing process (B29C33/44 takes precedence)
B29C33/38 (Moulds or cores: characterised by the material or the manufacturing process) appears on 2,800 US grants and 3,325 published applications in this corpus.
Search patents in B29C- Granted patents
- 2,800
- Published applications
- 3,325
- Assignees
- 1,753
- Inventors
- 6,975
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 8 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 14 | 0 |
| 1988 | 14 | 0 |
| 1989 | 20 | 0 |
| 1990 | 23 | 0 |
| 1991 | 24 | 0 |
| 1992 | 29 | 0 |
| 1993 | 35 | 0 |
| 1994 | 36 | 0 |
| 1995 | 31 | 0 |
| 1996 | 42 | 0 |
| 1997 | 51 | 0 |
| 1998 | 62 | 0 |
| 1999 | 46 | 0 |
| 2000 | 54 | 0 |
| 2001 | 55 | 15 |
| 2002 | 46 | 62 |
| 2003 | 48 | 82 |
| 2004 | 59 | 107 |
| 2005 | 28 | 104 |
| 2006 | 47 | 99 |
| 2007 | 51 | 86 |
| 2008 | 47 | 111 |
| 2009 | 34 | 104 |
| 2010 | 69 | 126 |
| 2011 | 53 | 111 |
| 2012 | 71 | 144 |
| 2013 | 84 | 139 |
| 2014 | 79 | 123 |
| 2015 | 101 | 163 |
| 2016 | 116 | 168 |
| 2017 | 103 | 161 |
| 2018 | 124 | 173 |
| 2019 | 129 | 187 |
| 2020 | 120 | 195 |
| 2021 | 141 | 172 |
| 2022 | 116 | 177 |
| 2023 | 145 | 153 |
| 2024 | 142 | 154 |
| 2025 | 154 | 122 |
| 2026 | 61 | 87 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 33/3842Manufacturing moulds1,551
- B29C 33/40Plastics791
- B29C 33/3835Designing moulds259
- B29C 33/3814Porous moulds147
- B29C 33/3828Moulds made of at least two different materials having different thermal conductivities145
- B29C 33/3807Resin-bonded materials102
- B29C 33/3821Composed of particles enclosed in a bag45
Recent patents
- Mold manufacturing method and mold6 Oct 2026US 12,752,462 B2Seiko Epson Corporation
- Biaxially oriented thermoplastic polymer laminate films for luggage articles and methods of making the same6 Oct 2026US 12,752,508 B2Canco Hungary Ltd.
- Hybrid method of forming microstructure array molds, methods of making microstructure arrays, and methods of use15 Sep 2026US 12,734,730 B2Panther Life Sciences Corporation
- Molding die, method for manufacturing molding die, and method for manufacturing molded product15 Sep 2026US 12,734,731 B2Kasai Kogyo Co., Ltd.
- Patient-specific individualization of an electrode array for a cochlear implant1 Sep 2026US 12,725,685 B2MED-EL Elektromedizinische Gerate Ges.m.b.H.
- Melt-out mandrel for composite structures8 Oct 2026US 2026/0307324 A1Kingdom First Holdings, Inc.
- End mill, method of producing microlens production mold, and apparatus of producing microlens production mold1 Oct 2026US 2026/0295689 A1Dexerials Corporation
- Pre-fabricated attachments for molds1 Oct 2026US 2026/0295904 A1Align Technology, Inc.
- Injection mold system, method and article1 Oct 2026US 2026/0295905 A1Impossible Objects, Inc.
- Methods and systems for manufacturing molds24 Sep 2026US 2026/0284936 A1Ormco Corporation
Most cited
By later US patents
- Forming structures from CAD solid models580US 6,391,251 B1Optomec Design Company · 2002
- Jet aircraft fan case containment design378US 6,814,541 B2General Electric Company · 2004
- Forming structures from CAD solid models321US 6,811,744 B2Optomec Design Company · 2004
- Microfluidic systems including three-dimensionally arrayed channel networks253US 6,645,432 B1President and Fellows of Harvard College · 2003
- Molded surgical implant and method237US 6,786,930 B2Spineco, Inc. · 2004