B02C 4/28
Details
B02C4/28 (Details) appears on 531 US grants and 530 published applications in this corpus.
Search patents in B02C- Granted patents
- 531
- Published applications
- 530
- Assignees
- 307
- Inventors
- 1,014
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 10 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 14 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 0 |
| 2002 | 3 | 9 |
| 2003 | 10 | 4 |
| 2004 | 8 | 8 |
| 2005 | 0 | 7 |
| 2006 | 2 | 8 |
| 2007 | 6 | 13 |
| 2008 | 5 | 9 |
| 2009 | 5 | 17 |
| 2010 | 9 | 16 |
| 2011 | 9 | 18 |
| 2012 | 15 | 28 |
| 2013 | 16 | 39 |
| 2014 | 17 | 30 |
| 2015 | 15 | 28 |
| 2016 | 27 | 42 |
| 2017 | 25 | 25 |
| 2018 | 14 | 25 |
| 2019 | 16 | 24 |
| 2020 | 20 | 22 |
| 2021 | 35 | 25 |
| 2022 | 18 | 29 |
| 2023 | 25 | 29 |
| 2024 | 26 | 33 |
| 2025 | 22 | 25 |
| 2026 | 6 | 17 |
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
- Crusher for mineral materials or recycled materials15 Sep 2026US 12,734,527 B2Kleemann GmbH
- 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
- 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
- Glass breaker for breaking glass containers13 Aug 2026US 2026/0233234 A1
- Compression mechanism13 Aug 2026US 2026/0233483 A1Futura S.P. A.
- 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
- Process for preparing ink jet inks having improved properties153US 5,310,778 AE. I. Du Pont de Nemours and Company · 1994
- System and method for destroying seeds in crop residue prior to discharge from agricultural harvester84US 10,314,232 B2CNH Industrial America LLC · 2019
- Crusher with cutter assembly and cutter thereof76US 10,124,343 B2Kun Sheng Machine Co., Ltd. · 2018
- Wear-resistant surface armoring for the rollers of roller machines, particularly high-pressure roller presses52US 5,203,513 AKloeckner-Humboldt-Deutz AG · 1993
- Cooling and processing materials41US 7,900,857 B2Xyleco, Inc. · 2011