B29B 7/26
For discharging
Official title: for discharging, e.g. doors
B29B7/26 (For discharging) appears on 88 US grants and 61 published applications in this corpus.
Search patents in B29B- Granted patents
- 88
- Published applications
- 61
- Assignees
- 66
- Inventors
- 168
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 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 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 6 |
| 2008 | 2 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 3 |
| 2011 | 3 | 2 |
| 2012 | 3 | 3 |
| 2013 | 0 | 3 |
| 2014 | 4 | 5 |
| 2015 | 7 | 5 |
| 2016 | 1 | 6 |
| 2017 | 7 | 3 |
| 2018 | 4 | 1 |
| 2019 | 2 | 3 |
| 2020 | 0 | 1 |
| 2021 | 0 | 3 |
| 2022 | 1 | 4 |
| 2023 | 4 | 2 |
| 2024 | 3 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for the formulation and delivery of materials to molding machines21 Jul 2026US 12,686,151 B2GM Global Technology Operations LLC
- Mixing and extrusion machine with self-cleaning twin screw and method of use30 Dec 2025US 12,508,742 B2Compagnie Generale Des Etablissements Michelin
- Device and method for the production of plastic parts with drying and desiccant feed devices20 May 2025US 12,304,113 B2Henkel AG & Co. KGaA
- Double arm mixer-extruder4 Mar 2025US 12,240,149 B2Aaron Engineered Process Equipment, Inc.
- 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
- Wet masterbatch production line based on high-speed impinging stream reaction20 Nov 2025US 2025/0353235 A1Qingdao Heimao New Material Research Institute Co., Ltd.
- Double arm mixer-extruder8 Aug 2024US 2024/0262009 A1Aaron Engineered Process Equipment, Inc.
- Feedstock homogenizer with integrated separator18 Jul 2024US 2024/0239017 A1Ampacet Corporation
- System for the formulation and delivery of materials to molding machines13 Jun 2024US 2024/0190046 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Synthetic wood meal, method and apparatus for manufacturing the same; synthetic wood board including the synthetic wood meal, method and apparatus of extrusion molding therefor52US 5,725,939 AEIN Engineering Co., Ltd. · 1998
- 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