B28C 5/4268
Drums
Official title: {Drums, e.g. provided with non-rotary mixing blades (drums for concrete mixers with horizontal axis B28C5/2054)}
B28C5/4268 (Drums) appears on 42 US grants and 40 published applications in this corpus.
Search patents in B28C- Granted patents
- 42
- Published applications
- 40
- Assignees
- 35
- Inventors
- 75
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 0 | 4 |
| 2009 | 1 | 0 |
| 2010 | 5 | 0 |
| 2011 | 2 | 1 |
| 2012 | 3 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 5 |
| 2022 | 2 | 2 |
| 2023 | 1 | 3 |
| 2024 | 3 | 5 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mixing drum9 Jun 2026US 12,649,258 B2Oshkosh Corporation
- Mixing accessory for a drum of a concrete mixer, the drum having helical fins with fingers extending radially therefrom14 Apr 2026US 12,600,059 B2
- Mixer drum drive with additional pump18 Nov 2025US 12,472,661 B2Oshkosh Corporation
- Jobsite operational status detection for concrete trucks16 Sep 2025US 12,415,295 B2Oshkosh Corporation
- Additive system for a concrete mixer truck31 Dec 2024US 12,179,384 B2Oshkosh Corporation
- Jobsite operational status detection for concrete trucks25 Dec 2025US 2025/0387948 A1Oshkosh Corporation
- Additive system for a concrete mixer truck6 Mar 2025US 2025/0073951 A1Oshkosh Corporation
- Truck mixer19 Dec 2024US 2024/0416820 A1ZF Friedrichshafen AG
- Cooling system and method21 Nov 2024US 2024/0384898 A1
- Accessory for mixing drum19 Sep 2024US 2024/0308106 A1
Most cited
By later US patents
- Mixing drum65US 10,843,379 B2Oshkosh Corporation · 2020
- Mixing drum hatch40US 8,287,173 B2McNeilus Truck and Manufacturing, Inc. · 2012
- System for mixing and dispensing concrete24US 5,056,924 AMcNeilus Truck and Manufacturing, Inc. · 1991
- Concrete mixing drum fin structure24US 8,646,965 B2McNeilus Truck and Manufacturing, Inc. · 2014
- Mixer fin19US 5,178,457 ATandem Products, Inc. · 1993