B29C 33/0022
Multi-cavity moulds
Official title: {Multi-cavity moulds (B29C33/301 takes precedence)}
B29C33/0022 (Multi-cavity moulds) appears on 253 US grants and 200 published applications in this corpus.
Search patents in B29C- Granted patents
- 253
- Published applications
- 200
- Assignees
- 156
- Inventors
- 425
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 15 |
| 2003 | 9 | 17 |
| 2004 | 12 | 25 |
| 2005 | 15 | 12 |
| 2006 | 15 | 13 |
| 2007 | 8 | 7 |
| 2008 | 9 | 7 |
| 2009 | 7 | 10 |
| 2010 | 7 | 8 |
| 2011 | 7 | 5 |
| 2012 | 4 | 2 |
| 2013 | 1 | 5 |
| 2014 | 6 | 8 |
| 2015 | 6 | 5 |
| 2016 | 4 | 2 |
| 2017 | 4 | 3 |
| 2018 | 1 | 5 |
| 2019 | 8 | 11 |
| 2020 | 4 | 9 |
| 2021 | 10 | 6 |
| 2022 | 3 | 5 |
| 2023 | 7 | 3 |
| 2024 | 4 | 5 |
| 2025 | 3 | 3 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation method for piezoelectric composite material, and application thereof14 Jul 2026US 12,685,023 B2Xi' An Jiaotong University
- Casting mold for finger joint spacers10 Feb 2026US 12,544,956 B2Heraeus Medical GmbH
- Gas-based material compression and portioning3 Feb 2026US 12,539,683 B2Altria Client Services LLC
- Freeze-drying mold and method for manufacturing water-soluble polymer ball using same30 Dec 2025US 12,508,746 B2Genewal Co., Ltd.
- Methods for stimulating cutaneous receptors in glabrous skin of a person25 Nov 2025US 12,478,596 B2Naboso Technology Inc.
- Layered mold for decorative sheet20 Aug 2026US 2026/0241612 A1Grand Force Co., Ltd.
- Solid-cryogen encapsulation system13 Aug 2026US 2026/0235349 A1The United States of America as represented by the Secretary of the Navy
- Injection molding system and use of such system to produce a device for being positioned within the ear canal of a user30 Jul 2026US 2026/0216925 A1Earfab Aps
- Methods for stimulating cutaneous receptors in glabrous skin of a person28 May 2026US 2026/0144767 A1Naboso Technology Inc.
- Gas-based material compression and portioning21 May 2026US 2026/0138346 A1Altria Client Services LLC
Most cited
By later US patents
- Molding process352US 4,247,508 AHico Western Products Co. · 1981
- Fluid or liquid filled non-wound golf ball348US 5,919,100 AAcushnet Company · 1999
- Lid wafer bond packaging and micromachining205US 5,915,168 AHarris Corporation · 1999
- Method for manufacturing a semiconductor acceleration sensor device157US 5,668,033 ANippondenso Co., Ltd. · 1997
- Lid wafer bond packaging and micromachining115US 5,798,557 AHarris Corporation · 1998