B28C 5/4213
Hydraulic drives
Official title: {Hydraulic drives (B28C5/4217 takes precedence)}
B28C5/4213 (Hydraulic drives) appears on 46 US grants and 49 published applications in this corpus.
Search patents in B28C- Granted patents
- 46
- Published applications
- 49
- Assignees
- 16
- Inventors
- 89
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 3 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 0 | 5 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 3 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 5 |
| 2021 | 3 | 3 |
| 2022 | 2 | 6 |
| 2023 | 2 | 4 |
| 2024 | 5 | 5 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for monitoring fresh concrete being handled in a concrete mixer using trained data processing engines1 Sep 2026US 12,722,326 B2Command Alkon Incorporated
- Powered vehicle combining dust collection, overlay mixing and spreading21 Apr 2026US 12,606,963 B2
- Mixer drum drive with additional pump18 Nov 2025US 12,472,661 B2Oshkosh Corporation
- Concrete mixer vehicle6 May 2025US 12,290,959 B2Oshkosh Corporation
- Concrete residue collection system for concrete mixing trucks25 Feb 2025US 12,233,573 B2
- Concrete Residue Collection System For Concrete Mixing Trucks16 Jul 2026US 2026/0200134 A1
- Concrete mixer vehicle24 Jul 2025US 2025/0236049 A1Oshkosh Corporation
- Additive system for a concrete mixer truck6 Mar 2025US 2025/0073951 A1Oshkosh Corporation
- Mixer drum drive with variable displacement motor13 Feb 2025US 2025/0050538 A1Oshkosh Corporation
- Auxiliary unit and system for electrically driving a truck-mounted concrete pump7 Nov 2024US 2024/0369050 A1
Most cited
By later US patents
- Process and apparatus for mixing and transporting cement76US 4,097,925 A1978
- Under pedestal tank arrangement42US 7,931,397 B2McNeilus Truck and Manufacturing, Inc. · 2011
- Hydrostatic-mechanical gear for driving a mixing drum14US 5,746,509 AZF Friedrichshafen AG · 1998
- Hydraulic oil tank13US 5,076,703 AMcNeilus Truck and Manufacturing, Inc. · 1991
- Hydrostatic-mechanical drive for a mixing drum13US 6,074,083 AZF Friedrichshafen AG · 2000