B66C 13/24
By dc motors
Official title: by DC motors
B66C13/24 (By dc motors) appears on 9 US grants and 9 published applications in this corpus.
Search patents in B66C- Granted patents
- 9
- Published applications
- 9
- Assignees
- 5
- Inventors
- 20
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Port cargo handling device and control method therefor13 Jan 2026US 12,522,478 B2Mitsui E&S Co., Ltd.
- Zero-gravity hoist control8 Apr 2025US 12,269,715 B2Milwaukee Electric Tool Corporation
- Zero-gravity hoist control26 Dec 2023US 11,851,306 B2Milwaukee Electric Tool Corporation
- Vehicle-mounted hoist systems and methods22 Nov 2022US 11,505,107 B2
- Vehicle-mounted hoist systems and methods28 Sep 2021US 11,130,435 B2
- Zero-gravity hoist control21 Aug 2025US 2025/0263274 A1Milwaukee Electric Tool Corporation
- Port cargo handling device and control method therefor7 Nov 2024US 2024/0367947 A1Mitsui E&S Co., Ltd.
- Zero-gravity hoist control14 Mar 2024US 2024/0083717 A1Milwaukee Electric Tool Corporation
- Vehicle-Mounted Hoist Systems and Methods4 Nov 2021US 2021/0339670 A1
- Vehicle-Mounted Hoist Systems and Methods2 Sep 2021US 2021/0268952 A1
Most cited
By later US patents
- DC solid state series wound motor drive25US 5,875,281 ACableform Limited · 1999
- Variable-speed load-dependent drive and hoist system6US 7,353,959 B2Mi-Jack Products, Inc. · 2008
- Vehicle-mounted hoist systems and methods3US 11,130,435 B22021
- Circuit for automatic operation of a series brake upon power loss during a regenerative braking period3US 6,064,162 ASquare D Company · 2000
- Zero-gravity hoist control1US 11,851,306 B2Milwaukee Electric Tool Corporation · 2023