B22C 5/04
Machines or devices specially designed for dressing or handling the mould material
Official title: by grinding, blending, mixing, kneading, or stirring
B22C5/04 (Machines or devices specially designed for dressing or handling the mould material) appears on 134 US grants and 78 published applications in this corpus.
Search patents in B22C- Granted patents
- 134
- Published applications
- 78
- Assignees
- 72
- Inventors
- 262
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 5 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 3 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 3 |
| 2014 | 1 | 3 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 5 | 6 |
| 2019 | 2 | 6 |
| 2020 | 3 | 5 |
| 2021 | 11 | 18 |
| 2022 | 6 | 1 |
| 2023 | 6 | 3 |
| 2024 | 1 | 2 |
| 2025 | 4 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Regeneration treatment method of waste shell-mold and system thereof24 Mar 2026US 12,583,030 B2Leelink Resource Technology Co., Ltd
- Core quality estimation system, core quality estimation method, non-transitory storage medium14 Oct 2025US 12,440,889 B2Toyota Jidosha Kabushiki Kaisha
- Sand used in industry30 Sep 2025US 12,427,531 B2Resand Oy
- Core molding apparatus and core molding method12 Aug 2025US 12,384,082 B2Toyota Jidosha Kabushiki Kaisha
- Reclamation of waste sand1 Jul 2025US 12,343,733 B2Resand Oy
- Arrangement for regenerating industrial sand with additive and method thereof10 Sep 2026US 2026/0264136 A1Resand Oy
- Reclamation method of foundry sand26 Mar 2026US 2026/0084206 A1Toyota Jidosha Kabushiki Kaisha
- Sand core making machine13 Nov 2025US 2025/0345844 A1Loramendi, S. Coop.
- Method of manufacturing core3 Jul 2025US 2025/0214132 A1Toyota Jidosha Kabushiki Kaisha
- Core molding system and method13 Mar 2025US 2025/0083217 A1Hyundai Motors Company
Most cited
By later US patents
- Air cooling system for a vibratory sand reclaiming apparatus42US 4,415,444 AGeneral Kinematics Corporation · 1983
- Screw mixer, particulary for foundry molds31US 5,372,424 AAssistance Maintenance Industrielle Gildasienne · 1994
- Rotary crusher/reclaimer for reclaiming and reclassifying sand and related aggregates from lump materials20US 5,794,865 ADidion Manufacturing Company · 1998
- Vibratory sand reclaiming apparatus19US 4,025,419 AGeneral Kinematics Corporation · 1977
- Apparatus for metering flowable materials in sand core making machines17US 4,828,461 ADipl. Ing. Laempe GmbH · 1989