B66C 13/30
Circuits for braking, traversing, or slewing motors
B66C13/30 (Circuits for braking, traversing, or slewing motors) appears on 38 US grants and 44 published applications in this corpus.
Search patents in B66C- Granted patents
- 38
- Published applications
- 44
- Assignees
- 42
- Inventors
- 99
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 7 |
| 2022 | 1 | 6 |
| 2023 | 2 | 4 |
| 2024 | 6 | 2 |
| 2025 | 3 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotation control device of work machine and work machine equipped with same18 Aug 2026US 12,709,521 B2Kobelco Construction Machinery Co., Ltd.
- Lift device and method of controlling26 May 2026US 12,637,341 B2Terex South Dakota, Inc.
- Construction and/or material-handling machine24 Feb 2026US 12,559,351 B2Liebherr-Werk Biberach GmbH
- Parking brake device and work machine equipped with the same20 Jan 2026US 12,528,673 B2Kobelco Construction Machinery Co., Ltd.
- Method and apparatus for controlling the location of a moveable crane2 Dec 2025US 12,486,144 B2Morgan Engineering Systems, Inc.
- Lift device and method of controlling24 Sep 2026US 2026/0285663 A1Terex South Dakota, Inc.
- Gasoline-electric hybrid operating system of truck crane, and crane3 Sep 2026US 2026/0257897 A1Xuzhou Heavy Machinery Co., Ltd.
- Power supply for crane systems25 Jun 2026US 2026/0176110 A1WIKA Alexander Wiegand SE & Co. KG
- Method and apparatus for controlling the location of a moveable crane16 Oct 2025US 2025/0320089 A1Morgan Engineering Systems, Inc.
- Rotation control device of work machine and work machine equipped with same3 Jul 2025US 2025/0214811 A1Kobelco Construction Machinery Co., Ltd.
Most cited
By later US patents
- Method and apparatus for the control of gantry machines19US 5,917,300 AConvolve, Inc. · 1999
- Method and apparatus for the control of gantry machines18US 6,163,116 AConvolve, Inc. · 2000
- Method and apparatus for preventing motoring while braking15US 5,319,292 AHarnischfeger Corporation · 1994
- Actuation system configured for moving a payload9US 8,181,799 B2GM Global Technology Operations LLC · 2012
- Device and a process for controlling a swinging of a load suspended from a lifting apparatus9US 9,919,901 B2Vinati S.R.L. · 2018