B02C 4/02
Crushing or disintegrating by roller mills: with two or more rollers
Official title: with two or more rollers
B02C4/02 (Crushing or disintegrating by roller mills: with two or more rollers) appears on 355 US grants and 385 published applications in this corpus.
Search patents in B02C- Granted patents
- 355
- Published applications
- 385
- Assignees
- 240
- Inventors
- 792
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 9 |
| 2003 | 9 | 4 |
| 2004 | 6 | 6 |
| 2005 | 0 | 8 |
| 2006 | 3 | 6 |
| 2007 | 3 | 10 |
| 2008 | 2 | 6 |
| 2009 | 3 | 7 |
| 2010 | 6 | 9 |
| 2011 | 5 | 9 |
| 2012 | 11 | 20 |
| 2013 | 7 | 18 |
| 2014 | 13 | 16 |
| 2015 | 8 | 20 |
| 2016 | 17 | 23 |
| 2017 | 9 | 13 |
| 2018 | 9 | 17 |
| 2019 | 11 | 15 |
| 2020 | 9 | 19 |
| 2021 | 31 | 24 |
| 2022 | 13 | 29 |
| 2023 | 24 | 26 |
| 2024 | 29 | 35 |
| 2025 | 19 | 20 |
| 2026 | 5 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coal water slurry concentration device6 Oct 2026US 12,752,280 B2Anhui University of Science and Technology
- Milling apparatus and method11 Aug 2026US 12,702,983 B2Pearson Incorporated
- Roll frame with improved product collection16 Jun 2026US 12,654,173 B2Buhler AG
- Method of crushing and processing grain without destroying germ pouches in the grain9 Jun 2026US 12,649,157 B2
- Hydraulic system for a roller crusher3 Mar 2026US 12,564,841 B2Metso USA Inc.
- Screening bucket8 Oct 2026US 2026/0308873 A1Simex Engineering S.R.L.
- Roll frame with improved product collection24 Sep 2026US 2026/0284669 A1Buhler AG
- Method and apparatus for monitoring a roller for a roller press, as well as a roller press system27 Aug 2026US 2026/0251443 A1Maschinenfabrik Koppern GmbH & Co. KG
- Optimized flour mill system with improved milling yield and method thereof6 Aug 2026US 2026/0225110 A1Buhler AG
- Device for measuring the wear of a roller of a roller of a high-pressure roller press23 Jul 2026US 2026/0208200 A1
Most cited
By later US patents
- System and method for destroying seeds in crop residue prior to discharge from agricultural harvester84US 10,314,232 B2CNH Industrial America LLC · 2019
- Method of fine and very fine comminution of materials having brittle behavior39US 4,357,287 A1982
- Recirculating grinding mill with external risers29US 8,210,458 B2KHD Humboldt Wedag GmbH · 2012
- Method and apparatus for continuous pressure comminution of brittle grinding stock28US 4,703,897 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1987
- Mineral breakers22US 4,585,180 A1986