B28C 7/168
Discharging chutes for concrete mixers
Official title: {Discharging chutes for concrete mixers}
B28C7/168 (Discharging chutes for concrete mixers) appears on 9 US grants and 9 published applications in this corpus.
Search patents in B28C- Granted patents
- 9
- Published applications
- 9
- Assignees
- 8
- Inventors
- 21
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite concrete chute22 Jul 2025US 12,365,544 B2Oshkosh Corporation
- Nonmetallic collector14 Jul 2020US 10,710,273 B2Con-Tech Manufacturing, Inc.
- Mover apparatus installed aftermarket or OEM for pivoting a cement chute and method19 Dec 2017US 9,845,859 B2EZProducts, LLC
- Debris catching apparatus for a concrete mixer11 Jul 2017US 9,701,041 B2
- Concrete funnel and placement system25 Dec 2012US 8,336,585 B2Royce Innovations, LLC
- Mobile Batch Plant18 Jun 2026US 2026/0166776 A1Rufdiamond Ltd.
- Connected mixer with automous discharge25 Jul 2024US 2024/0246472 A1Oshkosh Corporation
- Composite concrete chute26 May 2022US 2022/0162004 A1Oshkosh Corporation
- Nonmetallic collector22 Aug 2019US 2019/0255736 A1Con-Tech Manufacturing, Inc.
- Mover apparatus installed aftermarket or oem for pivoting a cement chute and method4 Aug 2016US 2016/0223062 A1Ezeproducts, LLC
Most cited
By later US patents
- Method and apparatus for mixing concrete with controlled energy absorption and variable discharge gate44US 6,126,307 A2000
- Agitator loading system10US 7,427,182 B2Intray Consolidated Pty Ltd · 2008
- Apparatus for automatically sealing an articulated chute6US 5,927,461 AForfam Incorporated · 1999
- Concrete funnel and placement system6US 8,336,585 B2Royce Innovations, LLC · 2012
- Foldable chute with personnel protection feature4US 5,660,260 A1997