B02C 4/42
Driving mechanisms
Official title: Driving mechanisms; Roller speed control
B02C4/42 (Driving mechanisms) appears on 107 US grants and 111 published applications in this corpus.
Search patents in B02C- Granted patents
- 107
- Published applications
- 111
- Assignees
- 85
- Inventors
- 246
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 1 |
| 2004 | 2 | 4 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 0 | 4 |
| 2014 | 3 | 4 |
| 2015 | 4 | 4 |
| 2016 | 3 | 5 |
| 2017 | 3 | 4 |
| 2018 | 1 | 5 |
| 2019 | 2 | 6 |
| 2020 | 6 | 11 |
| 2021 | 13 | 8 |
| 2022 | 7 | 10 |
| 2023 | 7 | 4 |
| 2024 | 3 | 11 |
| 2025 | 7 | 7 |
| 2026 | 4 | 4 |
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
- 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.
- Crushing device30 Dec 2025US 12,508,596 B2Metso USA Inc.
- Apparatus for recycling organic waste2 Jul 2026US 2026/0184651 A1
- Roller mill18 Jun 2026US 2026/0166557 A1Swisca AG
- Crushing device26 Feb 2026US 2026/0054266 A1Metso USA Inc.
- Glass panel recycling mechanism29 Jan 2026US 2026/0027566 A1Reverse Energy Solutions Corp.
- System and method to convert cellulosic materials into sugar25 Dec 2025US 2025/0388984 A1Blue Biofuels, Inc.
Most cited
By later US patents
- Material processing apparatus and methods18US 7,588,206 B2Armex AG · 2009
- Ultrasonic grinder14US 4,131,238 AEnergy and Minerals Research Co. · 1978
- Crusher13US 5,060,874 AMcLanahan Corporation · 1991
- Roller mill for coffee13US 8,690,087 B2Bauermeister Zerkleinerungstechnik GmbH · 2014
- Roller mill grinding apparatus with regenerative capability12US 10,322,487 B1Pearson Incorporated · 2019