B28C 5/4237
Charging
Official title: {Charging, e.g. hoppers}
B28C5/4237 (Charging) appears on 40 US grants and 39 published applications in this corpus.
Search patents in B28C- Granted patents
- 40
- Published applications
- 39
- Assignees
- 19
- Inventors
- 64
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 3 | 3 |
| 2022 | 5 | 7 |
| 2023 | 2 | 1 |
| 2024 | 1 | 4 |
| 2025 | 6 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mixer remote quality manager28 Jul 2026US 12,691,608 B2Oshkosh Corporation
- Cooling system and method21 Jul 2026US 12,686,150 B2Nitrocrete LLC
- Concrete mixer vehicle with trainer cab21 Apr 2026US 12,606,077 B2Oshkosh Corporation
- Automatic washout system for a mixer vehicle17 Jun 2025US 12,330,339 B2Oshkosh Corporation
- Apparatus for delivery of carbon dioxide to a concrete mix in a mixer and determining flow rate3 Jun 2025US 12,319,626 B2Carboncure Technologies Inc.
- Concrete mixer vehicle with trainer cab13 Aug 2026US 2026/0233660 A1Oshkosh Corporation
- Concrete Residue Collection System For Concrete Mixing Trucks16 Jul 2026US 2026/0200134 A1
- Apparatus for delivery of carbon dioxide to a concrete mix in a mixer and determining flow rate18 Sep 2025US 2025/0289767 A1Carboncure Technologies Inc.
- Automatic washout system for a mixer vehicle11 Sep 2025US 2025/0282080 A1Oshkosh Corporation
- Concrete mixer vehicle with trainer cab7 Aug 2025US 2025/0249818 A1Oshkosh Corporation
Most cited
By later US patents
- Methods for delivery of carbon dioxide to a flowable concrete mix32US 9,376,345 B2Carboncure Technologies Inc. · 2016
- Apparatus for delivery of carbon dioxide to a concrete mix in a mixer and determining flow rate24US 9,758,437 B2Carboncure Technologies Inc. · 2017
- Washout assembly for cement mixer vehicle20US 6,039,468 A2000
- Warning system for a charge hopper18US 6,267,494 B12001
- Hopper for mixer unit of a concrete transport vehicle16US 4,428,677 AConcrete Transport Mixer Co. · 1984