B29B 7/18
With more than one shaft
Official title: with more than one shaft
B29B7/18 (With more than one shaft) appears on 263 US grants and 241 published applications in this corpus.
Search patents in B29B- Granted patents
- 263
- Published applications
- 241
- Assignees
- 169
- Inventors
- 631
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 6 |
| 2003 | 1 | 4 |
| 2004 | 5 | 6 |
| 2005 | 5 | 3 |
| 2006 | 3 | 5 |
| 2007 | 0 | 6 |
| 2008 | 4 | 8 |
| 2009 | 6 | 4 |
| 2010 | 3 | 2 |
| 2011 | 3 | 7 |
| 2012 | 2 | 9 |
| 2013 | 2 | 10 |
| 2014 | 6 | 16 |
| 2015 | 12 | 10 |
| 2016 | 6 | 14 |
| 2017 | 11 | 13 |
| 2018 | 11 | 15 |
| 2019 | 10 | 16 |
| 2020 | 5 | 13 |
| 2021 | 8 | 13 |
| 2022 | 13 | 18 |
| 2023 | 6 | 17 |
| 2024 | 11 | 7 |
| 2025 | 16 | 9 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rubber composition, processing method thereof, and rubber product using the same12 May 2026US 12,624,198 B2Hangzhou Xinglu Technologies Co., Ltd
- 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
- Production of rubber mixtures in a rubber mixture production line incorporating one or more twin-screw mixing and extrusion machines25 Nov 2025US 12,479,130 B2Compagnie Generale Des Etablissements Michelin
- Silicone manufacturing9 Jul 2026US 2026/0193416 A1Dow Global Technologies LLC
- Internal mixer16 Apr 2026US 2026/0102748 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Internal mixer16 Apr 2026US 2026/0102944 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Method and system for physical recycling and reutilization of textile products and processed materials manufactured thereby16 Apr 2026US 2026/0102946 A1Ho Yu Textile Co., Ltd.
- Methods for preparing elastomer composites with mixer ventilation16 Apr 2026US 2026/0103572 A1Cabot Corporation
Most cited
By later US patents
- Method for production of particulate hydrogel polymer and absorbent resin80US 5,250,640 ANippon Shokubai Co., Ltd. · 1993
- Process for producing mouldable polymer blends75US 4,935,164 AZipperling Kessler & Co. (GmbH & Co.) · 1990
- Hot tire forming method54US 4,877,468 AThe Firestone Tire & Rubber Company · 1989
- Dynamic mixer control in plastics and rubber processing37US 5,865,535 AM.A.HannaRubberCompounding, a division of M.A. Hanna Company · 1999
- Mixing apparatus for kneading of plastic substances33US 4,234,259 AWerner & Pfleiderer · 1980