B65D 88/28
Construction or shape of discharge section
B65D88/28 (Construction or shape of discharge section) appears on 143 US grants and 131 published applications in this corpus.
Search patents in B65D- Granted patents
- 143
- Published applications
- 131
- Assignees
- 111
- Inventors
- 257
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 3 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 3 | 2 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 1 | 6 |
| 2009 | 3 | 2 |
| 2010 | 3 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 2 | 9 |
| 2015 | 2 | 11 |
| 2016 | 7 | 15 |
| 2017 | 17 | 11 |
| 2018 | 4 | 6 |
| 2019 | 4 | 7 |
| 2020 | 12 | 10 |
| 2021 | 6 | 9 |
| 2022 | 6 | 9 |
| 2023 | 5 | 2 |
| 2024 | 7 | 5 |
| 2025 | 4 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Slide gate closure15 Sep 2026US 12,735,249 B2
- Method for setting up a silo3 Mar 2026US 12,565,376 B2Top-Siloconstructions B.V.
- Method for producing grinding liquid mixing tank and the structure thereof9 Sep 2025US 12,409,611 B2Creative System Technology Ltd.
- Diffuser spout for load out silo27 May 2025US 12,312,157 B2Sandbox Enterprises, LLC
- Bulk material receiving, conveying, storing, and dispensing20 May 2025US 12,304,725 B2Owens-Brockway Glass Container Inc.
- Silo, stabilisation device and method for stabilisation of charcoal17 Sep 2026US 2026/0274556 A1Vallourec SoluçõEs Tubulares Do Brasil S.A.
- Slide Gate Closure6 Aug 2026US 2026/0225797 A1
- Method for assembling a silo with hopper insert9 Jul 2026US 2026/0193021 A1
- Silo with hopper insert, method for its construction and use thereof28 May 2026US 2026/0145867 A1Sce
- Hopper and powder supply apparatus including the same18 Sep 2025US 2025/0289024 A1LG Electronics Inc.
Most cited
By later US patents
- Proppant discharge system and a container for use in such a proppant discharge system178US 8,585,341 B12013
- Proppant discharge system and a container for use in such a proppant discharge system153US 8,668,430 B22014
- Apparatus for facilitating flow of solid particles by gravity through a container having an opening in the bottom thereof127US 4,282,988 A1981
- Gravity feed box121US 4,058,239 AWork Horse Manufacturing Co. · 1977
- Apparatus and methods for discharging particulate material from storage silos116US 7,513,280 B2Gencor Industries, Inc. · 2009