B29B 7/20
With intermeshing devices
Official title: with intermeshing devices, e.g. screws
B29B7/20 (With intermeshing devices) appears on 25 US grants and 41 published applications in this corpus.
Search patents in B29B- Granted patents
- 25
- Published applications
- 41
- Assignees
- 29
- Inventors
- 86
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 5 |
| 2018 | 4 | 3 |
| 2019 | 2 | 2 |
| 2020 | 0 | 3 |
| 2021 | 1 | 6 |
| 2022 | 2 | 5 |
| 2023 | 4 | 1 |
| 2024 | 4 | 2 |
| 2025 | 2 | 3 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- PVC flooring production line7 Apr 2026US 12,594,707 B2Wuxi Boyu Plastic Machinery Co., Ltd.
- 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
- Supercritical fluid injection foaming polylactide foam material and preparation method therefor21 Jan 2025US 12,202,179 B2Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
- Output mechanism of a mixer with converging conical twin screws23 Jul 2024US 12,042,957 B2Compagnie Generale Des Etablissements Michelin
- Silicone manufacturing9 Jul 2026US 2026/0193416 A1Dow Global Technologies LLC
- Internal mixer16 Apr 2026US 2026/0102944 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Polymer recyclate blends and products4 Dec 2025US 2025/0368812 A1Equistar Chemicals, LP
- Element for a counter-rotating twin-screw processor15 May 2025US 2025/0153120 A1Steer Engineering Private Limited
- Pvc flooring production line20 Feb 2025US 2025/0058509 A1Wuxi Boyu Plastic Machinery Co., Ltd.
Most cited
By later US patents
- Machine for mixing and extruding rubber-based and silicone-based plastic materials and method therefor7US 7,556,419 B2Colmec S.p.A. · 2009
- Modified tire sealant mixing device3US 10,124,511 B2The Goodyear Tire & Rubber Company · 2018
- Rubber kneading machine3US 7,354,187 B2Suzuka Engineering Co., Ltd. · 2008
- Intermeshing kneader with tilting mixing chamber2US 7,476,017 B22009
- Preparation of a powdery pharmaceutical composition by means of cryo-milling1US 10,449,547 B2GrüNenthal GmbH · 2019