B29B 7/263
From the underside in mixers having more than one rotor and a
Official title: {from the underside in mixers having more than one rotor and a a casing closely surrounding the rotors}
B29B7/263 (From the underside in mixers having more than one rotor and a) appears on 56 US grants and 26 published applications in this corpus.
Search patents in B29B- Granted patents
- 56
- Published applications
- 26
- Assignees
- 36
- Inventors
- 96
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 5 | 3 |
| 2016 | 0 | 5 |
| 2017 | 4 | 1 |
| 2018 | 3 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Double arm mixer-extruder4 Mar 2025US 12,240,149 B2Aaron Engineered Process Equipment, Inc.
- Double arm mixer extruder21 May 2024US 11,986,979 B2Aaron Engineered Process Equipment, Inc.
- Internal mixer31 Oct 2023US 11,801,483 B2Harburg-Freudenberger Maschinebau GmbH
- Mixer including a sensor for detecting material to be mixed, mixing system, and method of producing mixed product17 Sep 2019US 10,413,876 B2Mitsubishi Heavy Industries Machinery Systems, Ltd.
- Kneader internal inspection device18 Jun 2019US 10,322,527 B2Kobe Steel, Ltd.
- Double arm mixer-extruder8 Aug 2024US 2024/0262009 A1Aaron Engineered Process Equipment, Inc.
- Double arm mixer extruder30 Mar 2023US 2023/0098369 A1Aaron Engineered Process Equipment, Inc.
- Internal mixer20 May 2021US 2021/0146321 A1Harburg-Freudenberger Maschinenbau GmbH
- Rubber extruding device and rubber extruding method27 Jun 2019US 2019/0193036 A1Sumitomo Rubber Industries, Ltd.
- Kneader internal inspection device10 Aug 2017US 2017/0225359 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Most cited
By later US patents
- Mixing apparatus for kneading of plastic substances33US 4,234,259 AWerner & Pfleiderer · 1980
- Control for batch mixers33US 4,818,113 AFarrel Bridge Limited · 1989
- Internal batch mixing machines with non-intermeshing rotors of increased performance25US 4,744,668 AFarrel Corporation · 1988
- Apparatus and method for mixing and continuous extrusion of a plastic mass25US 4,938,605 AWerner & Pfleiderer · 1990
- Internal mixer25US 5,061,078 ASuzuka Engineering Co., Ltd. · 1991