B28C 5/421
Drives
Official title: {Drives (in general B28C5/0831)}
B28C5/421 (Drives) appears on 93 US grants and 100 published applications in this corpus.
Search patents in B28C- Granted patents
- 93
- Published applications
- 100
- Assignees
- 40
- Inventors
- 148
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 4 |
| 2008 | 2 | 7 |
| 2009 | 0 | 3 |
| 2010 | 3 | 2 |
| 2011 | 6 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 8 |
| 2015 | 4 | 6 |
| 2016 | 2 | 4 |
| 2017 | 6 | 2 |
| 2018 | 3 | 1 |
| 2019 | 2 | 3 |
| 2020 | 2 | 10 |
| 2021 | 5 | 10 |
| 2022 | 7 | 8 |
| 2023 | 6 | 6 |
| 2024 | 9 | 9 |
| 2025 | 6 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Mixer remote quality manager28 Jul 2026US 12,691,608 B2Oshkosh Corporation
- 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
- Electric drive for a mixer drum1 Jul 2025US 12,343,901 B2ZF Friedrichshafen AG
- Concrete Residue Collection System For Concrete Mixing Trucks16 Jul 2026US 2026/0200134 A1
- A Vehicle for Mixing Concrete15 Jan 2026US 2026/0014922 A1
- Axle pressure setting systems and methods11 Sep 2025US 2025/0282079 A1Oshkosh Corporation
- Concrete mixer vehicle24 Jul 2025US 2025/0236049 A1Oshkosh Corporation
- Additive system for a concrete mixer truck6 Mar 2025US 2025/0073951 A1Oshkosh Corporation
Most cited
By later US patents
- Concrete drum control, property prediction, and monitoring systems and methods150US 10,414,067 B2Oshkosh Corporation · 2019
- Hybrid vehicle drive system and method and idle reduction system and method85US 8,978,798 B2Odyne Systems, LLC · 2015
- Process and apparatus for mixing and transporting cement76US 4,097,925 A1978
- Concrete drum control, property prediction, and monitoring systems and methods64US 10,987,829 B2Oshkosh Corporation · 2021
- Method and apparatus for mixing concrete in a concrete mixing device to a specified slump58US 5,713,663 ABoral Resources (VIC) PTY Limited · 1998