B02C 21/005
The roller mill having cooperating rollers
Official title: {the roller mill having cooperating rollers}
B02C21/005 (The roller mill having cooperating rollers) appears on 22 US grants and 10 published applications in this corpus.
Search patents in B02C- Granted patents
- 22
- Published applications
- 10
- Assignees
- 13
- Inventors
- 54
- Latest grant
- 22 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dedicated device for shattering phenolics with mechanochemical synthesis and shattering method thereof22 Aug 2023US 11,731,140 B2Intelligent Manufacturing Institute of Hefei University of Technology
- Plant processing system29 Sep 2020US 10,785,906 B2Pearson Incorporated
- Method and system for grinding fragmentary starting material13 Mar 2018US 9,914,130 B2Thyssenkrupp Industrial Solutions AG
- Device for sifting granular material2 May 2017US 9,636,712 B2Maschinenfabrik Koeppern GmbH & Co. KG
- Grinding mill25 Apr 2017US 9,630,214 B2Thyssenkrupp Industrial Solutions AG
- Dedicated device for shattering phenolics with mechanochemical synthesis and shattering method thereof9 Jun 2022US 2022/0176383 A1Intellingent Manufacturing Institute of Hefei University of Technology
- Plant processing system20 Aug 2020US 2020/0260649 A1Pearson Incorporated
- Method and apparatus for the two-stage grinding of fresh stock26 Jul 2018US 2018/0207646 A1
- Closed-circuit grinding plant having a pre-classifier and a ball mill6 Oct 2016US 2016/0288135 A1
- Method and system for grinding fragmentary starting material24 Dec 2015US 2015/0367352 A1Thyssenkrupp Industrial Solutions AG
Most cited
By later US patents
- Sifter for sifting granular material and grinding system with insertion of such a sifter37US 5,392,998 AKloeckner-Humboldt-Deutz AG · 1995
- Method and apparatus for continuous pressure comminution of brittle grinding stock28US 4,703,897 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1987
- Mechanism for the comminution of grinding of brittle grinding stock23US 4,726,531 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1988
- Method of comminuting ore material13US 5,897,063 AKrupp Polysius AG · 1999
- Closed circuit grinding system10US 5,505,389 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1996