B07B 4/08
While the mixtures are supported by sieves, screens, or like mechanical elements
Official title: while the mixtures are supported by sieves, screens, or like mechanical elements
B07B4/08 (While the mixtures are supported by sieves, screens, or like mechanical elements) appears on 252 US grants and 219 published applications in this corpus.
Search patents in B07B- Granted patents
- 252
- Published applications
- 219
- Assignees
- 179
- Inventors
- 474
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 4 |
| 2003 | 2 | 5 |
| 2004 | 4 | 3 |
| 2005 | 4 | 4 |
| 2006 | 1 | 7 |
| 2007 | 2 | 3 |
| 2008 | 1 | 15 |
| 2009 | 0 | 6 |
| 2010 | 2 | 12 |
| 2011 | 10 | 11 |
| 2012 | 8 | 4 |
| 2013 | 7 | 7 |
| 2014 | 11 | 11 |
| 2015 | 8 | 16 |
| 2016 | 8 | 14 |
| 2017 | 17 | 9 |
| 2018 | 7 | 10 |
| 2019 | 13 | 18 |
| 2020 | 12 | 22 |
| 2021 | 15 | 12 |
| 2022 | 11 | 11 |
| 2023 | 10 | 3 |
| 2024 | 6 | 2 |
| 2025 | 4 | 4 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and process for sorting and recovery of recyclable materials from mixed waste6 Oct 2026US 12,752,306 B1Wm Intellectual Property Holdings, L.L.C.
- Compact device for sorting bulk solid products16 Jun 2026US 12,654,203 B2
- Dust control system for spot filters9 Jun 2026US 12,649,632 B1AG Growth International Inc.
- Classifier for positive electrode active material and method for regenerating lithium precursor by using same2 Jun 2026US 12,643,797 B2SK Innovation Co., Ltd.
- Apparatus and method for monitoring impurity rate and breakage rate of grains in grain-bin of harvester21 Apr 2026US 12,607,567 B1Shandong Academy of Agricultural Machinery Sciences
- Dynamic fluidized bed system and dynamic fluidized separation method10 Sep 2026US 2026/0264112 A1China University of Mining and Technology
- Classifier for positive electrode active material and method for regenerating lithium precursor by using same10 Sep 2026US 2026/0265070 A1SK Innovation Co., Ltd.
- Device for removing foreign substances4 Jun 2026US 2026/0151799 A1Hitachi High-Tech Corporation
- Apparatus and method for monitoring impurity rate and breakage rate of grains in grain-bin of harvester23 Apr 2026US 2026/0110639 A1Shandong Academy of Agricultural Machinery Sciences
- Compact device for sorting bulk solid products16 Apr 2026US 2026/0102790 A1Demetra S.R.L.
Most cited
By later US patents
- Screening device and process111US 4,678,560 ANorton Company · 1987
- Pyrolysis process for reclaiming desirable materials from vehicle tires41US 6,221,329 B1Svedala Industries, Inc. · 2001
- Combine system for harvesting, cleaning and storing both corn kernels and whole cobs, and method of use39US 6,358,141 B12002
- Threshed tobacco lead separator33US 4,465,194 AUniversal Leaf Tobacco Company, Inc. · 1984
- Disc screen apparatus with air manifold28US 6,460,706 B1CP Manufacturing, Inc. · 2002