B28C 5/0818
Charging or discharging gates or chutes
Official title: {Charging or discharging gates or chutes; Sealing means}
B28C5/0818 (Charging or discharging gates or chutes) appears on 38 US grants and 34 published applications in this corpus.
Search patents in B28C- Granted patents
- 38
- Published applications
- 34
- Assignees
- 24
- Inventors
- 69
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 3 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 4 |
| 2019 | 1 | 2 |
| 2020 | 3 | 3 |
| 2021 | 2 | 5 |
| 2022 | 3 | 3 |
| 2023 | 3 | 2 |
| 2024 | 1 | 5 |
| 2025 | 6 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mixer, system for applying a building material and method for producing a structure from building material21 Apr 2026US 12,605,862 B2Sika Technology AG
- Containerized concrete batch plant23 Sep 2025US 12,420,450 B2IP Holding Company
- Volumetric concrete mixing system, equipment, and method23 Sep 2025US 12,420,451 B1J&P Invesco LLC
- Geopolymer foam deposition and mixing system and apparatus12 Aug 2025US 12,383,873 B2Rosenblatt Innovations LLC
- Composite concrete chute22 Jul 2025US 12,365,544 B2Oshkosh Corporation
- Containerized concrete batch plant25 Dec 2025US 2025/0387949 A1Nj IP Holding Company LLC
- Mixer, system for applying a building material and method for producing a structure from building material7 Nov 2024US 2024/0367345 A1Sika Technology AG
- Geopolymer foam deposition and mixing system and apparatus5 Sep 2024US 2024/0293785 A1Rosenblatt Innovations LLC
- Volumetric mixer with pivotable chute18 Jul 2024US 2024/0238745 A1Cemen-Tech, Inc.
- Mixer, system for applying a building material and method for producing a structure from building material6 Jun 2024US 2024/0181676 A1Sika Technology AG
Most cited
By later US patents
- Method and apparatus for mixing concrete with controlled energy absorption and variable discharge gate44US 6,126,307 A2000
- Gate for mixer unit of a concrete transport vehicle21US 6,880,965 B12005
- Apparatus for protecting mixer truck chute against wear17US 5,244,069 A1993
- Attachment for cement chute15US 4,688,667 A1987
- Concrete chute with liner13US 6,367,606 B1Soq, LLC · 2002