B02C 13/31
Safety devices or measures
B02C13/31 (Safety devices or measures) appears on 54 US grants and 45 published applications in this corpus.
Search patents in B02C- Granted patents
- 54
- Published applications
- 45
- Assignees
- 44
- Inventors
- 106
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 3 |
| 2007 | 4 | 3 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 1 | 2 |
| 2019 | 1 | 3 |
| 2020 | 3 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 5 |
| 2024 | 2 | 5 |
| 2025 | 6 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Powder grinder25 Aug 2026US 12,714,998 B2Frewitt Fabrique De Machines SA
- Rotary crushing apparatus30 Sep 2025US 12,427,528 B2JDC Corporation
- Overload protection device for the hydraulic system of a mineral material machining plant23 Sep 2025US 12,420,286 B2Kleemann GmbH
- Impact mill and a residue processing system incorporating same26 Aug 2025US 12,396,395 B2Seed Terminator Holdings Pty Ltd
- Underwater crushing mechanism for aluminum housing battery11 Mar 2025US 12,246,327 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Device for Destroying the Functionality of Data Bearing Components of a Solid-State Data Bearing Device8 Jan 2026US 2026/0010659 A1
- Impact mill and a residue processing system incorporating same4 Sep 2025US 2025/0275502 A1Seed Terminator Holdings Pty Ltd
- Crusher for mineral materials or recycled materials2 Jan 2025US 2025/0001430 A1Kleemann GmbH
- Underwater crushing mechanism for aluminum housing battery3 Oct 2024US 2024/0326065 A1Guangdong Brunp Recycling Technology Co., Ltd.
- Powder grinder16 May 2024US 2024/0157369 A1Frewitt Fabrique De Machines SA
Most cited
By later US patents
- Waste recycling device33US 5,975,443 A1999
- Apparatus for crushing waste products and method of operating the same27US 6,390,396 B1Matsushita Electric Industrial Co., Ltd. · 2002
- Hammer mill20US 5,213,273 ALindemann Maschinenfabrik GmbH · 1993
- Protective device for rotary hammer breaker18US 4,056,232 ALindemann Maschinenfabrik GmbH · 1977
- Reduction mill18US 4,449,673 ACopper Alloys Corp. · 1984