B02C 7/02
Crushing or disintegrating by disc mills: with coaxial discs
Official title: with coaxial discs
B02C7/02 (Crushing or disintegrating by disc mills: with coaxial discs) appears on 195 US grants and 145 published applications in this corpus.
Search patents in B02C- Granted patents
- 195
- Published applications
- 145
- Assignees
- 117
- Inventors
- 332
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 10 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 2 |
| 2003 | 3 | 4 |
| 2004 | 0 | 5 |
| 2005 | 3 | 1 |
| 2006 | 5 | 6 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 2 |
| 2012 | 3 | 3 |
| 2013 | 1 | 2 |
| 2014 | 1 | 9 |
| 2015 | 5 | 11 |
| 2016 | 3 | 8 |
| 2017 | 6 | 18 |
| 2018 | 6 | 14 |
| 2019 | 11 | 7 |
| 2020 | 12 | 10 |
| 2021 | 10 | 7 |
| 2022 | 6 | 8 |
| 2023 | 8 | 8 |
| 2024 | 7 | 5 |
| 2025 | 7 | 6 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Grinding appliance16 Jun 2026US 12,653,344 B2A.D.M.T Trading Ltd
- Mineral liberation machine13 Jan 2026US 12,521,725 B2Maelgwyn Mineral Services Limited
- Apparatuses and methods for producing nanoparticles from material in working liquid25 Nov 2025US 12,479,026 B2
- Refiner11 Nov 2025US 12,467,201 B2Aikawa Iron Works Co., Ltd.
- Refiner filling piece having variably coated bars28 Oct 2025US 12,454,793 B2Aikawa Fiber Technologies Oy
- System and method for extracting noxious chemicals from naturally-occurring raw materials and creating useful products20 Nov 2025US 2025/0352924 A1Plant Synergies, LLC
- Mill housings for pulverizer systems6 Nov 2025US 2025/0339862 A1Maag Reduction, Inc.
- Grinding apparatus for rechargeable battery materials21 Aug 2025US 2025/0262624 A1Samsung SDI.Co., Ltd.
- Mill26 Jun 2025US 2025/0205712 A1Mirka Ltd
- Apparatuses and methods for producing nanoparticles from material in working liquid19 Jun 2025US 2025/0196225 A1
Most cited
By later US patents
- Methods and apparatus for high-shear material treatment128US 5,538,191 A1996
- Materials size reduction systems and process73US 6,045,070 A2000
- Methods and apparatus for treating materials in liquids62US 5,279,463 A1994
- Pulp refiner with fluidizing inlet36US 4,820,381 AInternationa Paper Company · 1989
- Method and an apparatus for managing contaminated material36US 6,601,787 B12003