B22C
Foundry moulding
Official title: FOUNDRY MOULDING (moulding refractory materials in general B28B)
B22C (Foundry moulding) appears on 5,355 US grants and 3,751 published applications in this corpus.
Search patents in B22C- Granted patents
- 5,355
- Published applications
- 3,751
- Assignees
- 1,843
- Inventors
- 8,623
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 126 | 0 |
| 1977 | 94 | 0 |
| 1978 | 142 | 0 |
| 1979 | 88 | 0 |
| 1980 | 104 | 0 |
| 1981 | 88 | 0 |
| 1982 | 79 | 0 |
| 1983 | 64 | 0 |
| 1984 | 92 | 0 |
| 1985 | 99 | 0 |
| 1986 | 105 | 0 |
| 1987 | 112 | 0 |
| 1988 | 93 | 0 |
| 1989 | 106 | 0 |
| 1990 | 96 | 0 |
| 1991 | 100 | 0 |
| 1992 | 70 | 0 |
| 1993 | 84 | 0 |
| 1994 | 113 | 0 |
| 1995 | 80 | 0 |
| 1996 | 69 | 0 |
| 1997 | 89 | 0 |
| 1998 | 112 | 0 |
| 1999 | 122 | 0 |
| 2000 | 74 | 0 |
| 2001 | 79 | 28 |
| 2002 | 122 | 93 |
| 2003 | 108 | 95 |
| 2004 | 79 | 126 |
| 2005 | 83 | 122 |
| 2006 | 93 | 124 |
| 2007 | 91 | 137 |
| 2008 | 55 | 127 |
| 2009 | 52 | 118 |
| 2010 | 72 | 120 |
| 2011 | 103 | 141 |
| 2012 | 105 | 134 |
| 2013 | 93 | 140 |
| 2014 | 124 | 167 |
| 2015 | 115 | 220 |
| 2016 | 129 | 259 |
| 2017 | 139 | 237 |
| 2018 | 185 | 242 |
| 2019 | 209 | 235 |
| 2020 | 197 | 184 |
| 2021 | 187 | 191 |
| 2022 | 141 | 175 |
| 2023 | 142 | 85 |
| 2024 | 122 | 117 |
| 2025 | 94 | 79 |
| 2026 | 35 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B22C 9/00Moulds or cores3,300
- B22C 1/00Compositions of refractory mould or core materials1,188
- B22C 7/00Patterns884
- B22C 15/00Moulding machines characterised by the compacting mechanism372
- B22C 5/00Machines or devices specially designed for dressing or handling the mould material346
- B22C 3/00Selection of compositions for coating the surfaces of moulds, cores, or patterns285
- B22C 21/00Flasks259
- B22C 11/00Moulding machines characterised by the relative arrangement of the parts of same179
All 13 main groupsShow fewer
Recent patents
- Casting mold for producing a casting having a front side and a rear from a curable casting compound6 Oct 2026US 12,752,337 B2Schock & Co. GmbH
- Casting system and casting6 Oct 2026US 12,752,565 B2Sintokogio, Ltd.
- Molding die, method for manufacturing molding die, and method for manufacturing molded product15 Sep 2026US 12,734,731 B2Kasai Kogyo Co., Ltd.
- Esters of epoxidized fatty acids in furfuryl alcohol binders1 Sep 2026US 12,722,200 B2ASK Chemicals GmbH
- Method to qualify additional dies after master die25 Aug 2026US 12,718,353 B2Pratt & Whitney Canada Corp.
- Feeder system8 Oct 2026US 2026/0307137 A1
- Hybrid setter for investment casting cores and method of using24 Sep 2026US 2026/0284735 A1Blasch Precision Ceramics, Inc.
- Sand core, sand mold and method for manufacturing a sand core24 Sep 2026US 2026/0284736 A1Atlas Copco Airpower, Naamloze Vennootschap
- Sand core, sand mold and method for manufacturing a sand core24 Sep 2026US 2026/0284737 A1Atlas Copco Airpower, Naamloze Vennootschap
- Distributor for Refrigerant in a Thermal Management Module24 Sep 2026US 2026/0284738 A1Mahle International GmbH
Most cited
By later US patents
- Laminated object manufacturing apparatus and method364US 5,876,550 AHelisys, Inc. · 1999
- Investment casting of golf club heads with high density inserts312US 5,766,091 ASelmet, Inc. · 1998
- Custom bioimplantable article284US 5,762,125 AJohnson & Johnson Professional, Inc. · 1998
- Apparatus and method for forming an integral object from laminations283US 5,354,414 A1994
- Apparatus for forming an integral object from laminations244US 5,637,175 AHelisys, Inc. · 1997