B07B 1/20
Stationary drums with moving interior agitators
B07B1/20 (Stationary drums with moving interior agitators) appears on 160 US grants and 103 published applications in this corpus.
Search patents in B07B- Granted patents
- 160
- Published applications
- 103
- Assignees
- 98
- Inventors
- 239
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 0 | 5 |
| 2003 | 6 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 4 |
| 2006 | 3 | 5 |
| 2007 | 0 | 3 |
| 2008 | 3 | 5 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 3 | 4 |
| 2012 | 3 | 3 |
| 2013 | 2 | 4 |
| 2014 | 3 | 2 |
| 2015 | 2 | 7 |
| 2016 | 5 | 6 |
| 2017 | 4 | 4 |
| 2018 | 6 | 3 |
| 2019 | 1 | 9 |
| 2020 | 9 | 6 |
| 2021 | 7 | 1 |
| 2022 | 2 | 4 |
| 2023 | 3 | 6 |
| 2024 | 6 | 5 |
| 2025 | 5 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Device and method for sorting a particulate stream28 Apr 2026US 12,613,029 B2E.On Energiinfrastruktur AB
- Method for manufacturing electrode, classification system, and, electrode material24 Mar 2026US 12,583,016 B2Toyota Jidosha Kabushiki Kaisha
- Method for compression of aqueous slurry containing solid foreign matter and paper dust, and treatment method of waste gypsum board24 Feb 2026US 12,559,380 B2Tokuyama Corporation
- Rotary drum screener for separating differently sized plastic pieces and filtering out strands28 Oct 2025US 12,453,987 B1EBM Manufacturing, Inc.
- Flour sifting device3 Sep 2026US 2026/0256320 A1Franke Technology and Trademark Ltd
- Screen, in particular pressure screen2 Apr 2026US 2026/0091329 A1Andritz Fiedler GmbH
- Rotor with forward-swept struts for pressure screen cylinders15 Jan 2026US 2026/0014591 A1Kadant Black Clawson LLC
- Separation machine having separator gap control18 Dec 2025US 2025/0381586 A1Provisur Technologies, Inc.
- Flour sifting device23 Oct 2025US 2025/0326005 A1Franke Technology and Trademark Ltd
Most cited
By later US patents
- Method for screening pulp47US 5,601,690 AGauld Equipment Company · 1997
- Fiber separation method and apparatus36US 5,513,805 A1996
- Continuous cut slotted screen basket27US 5,513,757 ASulzer Papertec Mansfield Inc. · 1996
- Apparatus for pulverizing and sorting municipal waste26US 3,973,735 A1976
- Apparatus for screening paper fiber stock23US 4,276,159 AThe Black Clawson Company · 1981