B22D 31/00
Cutting-off surplus material
Official title: Cutting-off surplus material, e.g. gates; {Cleaning and working on castings (B22D17/2076 takes precedence)}
B22D31/00 (Cutting-off surplus material) appears on 260 US grants and 172 published applications in this corpus.
Search patents in B22D- Granted patents
- 260
- Published applications
- 172
- Assignees
- 168
- Inventors
- 540
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 3 |
| 2002 | 8 | 13 |
| 2003 | 10 | 5 |
| 2004 | 5 | 4 |
| 2005 | 5 | 6 |
| 2006 | 2 | 6 |
| 2007 | 6 | 5 |
| 2008 | 0 | 5 |
| 2009 | 4 | 7 |
| 2010 | 2 | 5 |
| 2011 | 4 | 7 |
| 2012 | 5 | 5 |
| 2013 | 1 | 5 |
| 2014 | 7 | 9 |
| 2015 | 4 | 8 |
| 2016 | 7 | 8 |
| 2017 | 10 | 12 |
| 2018 | 9 | 7 |
| 2019 | 8 | 8 |
| 2020 | 8 | 7 |
| 2021 | 6 | 12 |
| 2022 | 8 | 3 |
| 2023 | 4 | 6 |
| 2024 | 5 | 8 |
| 2025 | 9 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for machining the edges of casting strands7 Apr 2026US 12,594,685 B2SMS group GmbH
- Method to produce void-free ferrous and non-ferrous aerospace structural castings23 Dec 2025US 12,503,773 B2Spirit AeroSystems, Inc.
- Method of manufacturing casing of turbocharger and casing of turbocharger30 Sep 2025US 12,427,568 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Method for producing a cylindrical hollow body made of aluminum or of an aluminum alloy or of a light metal alloy, cylindrical hollow body, and vehicle transmission23 Sep 2025US 12,420,333 B2ZF Friedrichshafen AG
- System and method of preparing a metal object for machining12 Aug 2025US 12,383,954 B1Techjet Aerofoils Ltd
- Trimming device and trimming method1 Oct 2026US 2026/0295660 A1Honda Motor Co., Ltd.
- Molded vehicle frame component20 Aug 2026US 2026/0242002 A1Toyota Jidosha Kabushiki Kaisha
- Die-casting production system7 May 2026US 2026/0124676 A1Zhejiang Geely Holding Group Co., Ltd.
- Process for low-cost tempering of aluminum casting26 Jun 2025US 2025/0207225 A1
- Post-processing device of cast product12 Jun 2025US 2025/0187069 A1Hyundai Motor Company
Most cited
By later US patents