B29B 7/186
Rotors therefor
Official title: {Rotors therefor}
B29B7/186 (Rotors therefor) appears on 80 US grants and 56 published applications in this corpus.
Search patents in B29B- Granted patents
- 80
- Published applications
- 56
- Assignees
- 43
- Inventors
- 161
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 2 |
| 2015 | 8 | 4 |
| 2016 | 0 | 3 |
| 2017 | 4 | 3 |
| 2018 | 4 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 3 |
| 2021 | 1 | 5 |
| 2022 | 3 | 6 |
| 2023 | 2 | 4 |
| 2024 | 3 | 2 |
| 2025 | 4 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Kneading rotor, kneading machine, method for kneading rubber material, and method for manufacturing kneading rotor10 Feb 2026US 12,544,954 B2Kobe Steel, Ltd.
- Mixing and extrusion machine with self-cleaning twin screw and method of use30 Dec 2025US 12,508,742 B2Compagnie Generale Des Etablissements Michelin
- Machine learning method, machine learning device, machine learning program, communication method, and kneading device23 Sep 2025US 12,420,452 B2Kobe Steel, Ltd.
- Rotor with anti-wear device and fixation system13 May 2025US 12,296,505 B2Compagnie Generale Des Etablissements Michelin
- Double arm mixer-extruder4 Mar 2025US 12,240,149 B2Aaron Engineered Process Equipment, Inc.
- Mixer for polymer processing and method of operating a mixer25 Dec 2025US 2025/0387950 A1
- Method for evaluating kneading state, kneader, and kneading adjustment method29 Aug 2024US 2024/0286096 A1Suzuka Engineering Co., Ltd.
- Double arm mixer-extruder8 Aug 2024US 2024/0262009 A1Aaron Engineered Process Equipment, Inc.
- Rotor for internal batch mixer12 Oct 2023US 2023/0321872 A1Farrel Corporation
- Method for producing a rubber mixture, and use of a device suitable for carrying out the method28 Sep 2023US 2023/0302685 A1Continental Reifen Deutschland GmbH
Most cited
By later US patents
- Mixing apparatus for kneading of plastic substances33US 4,234,259 AWerner & Pfleiderer · 1980
- Closed type mixing/kneading apparatus33US 4,456,381 AKabushiki Kaisha Kobe Seiko Sho · 1984
- Internal batch mixing machines with non-intermeshing rotors of increased performance25US 4,744,668 AFarrel Corporation · 1988
- Closed mixing machine24US 4,718,771 AKabushiki Kaisha Kobe Seiko Sho · 1988
- Process for producing compatibilized polymer blends24US 8,026,309 B2PRS Mediterranean Ltd. · 2011