B66C 13/20
For non-electric drives
Official title: for non-electric drives (transmitting control pulses B66C13/40)
B66C13/20 (For non-electric drives) appears on 87 US grants and 115 published applications in this corpus.
Search patents in B66C- Granted patents
- 87
- Published applications
- 115
- Assignees
- 73
- Inventors
- 236
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 3 | 3 |
| 2014 | 1 | 4 |
| 2015 | 5 | 3 |
| 2016 | 1 | 4 |
| 2017 | 1 | 8 |
| 2018 | 6 | 10 |
| 2019 | 6 | 11 |
| 2020 | 16 | 12 |
| 2021 | 9 | 13 |
| 2022 | 2 | 5 |
| 2023 | 6 | 6 |
| 2024 | 12 | 11 |
| 2025 | 6 | 4 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heave compensator enabling active heave counteraction15 Sep 2026US 12,735,302 B2Ernst-B. Johansen AS
- Work machine26 May 2026US 12,637,332 B2Tadano Ltd.
- Method and apparatus for automating power take-offs for vehicles and equipment17 Feb 2026US 12,552,387 B2Auto Crane Company
- Emergency-operation valve block for a mobile crane20 Jan 2026US 12,528,677 B2Manitowoc Crane Group France SAS
- Hydraulic circuit and method for a material handler13 Jan 2026US 12,522,477 B2Brandt Industries Canada Ltd.
- Gasoline-electric hybrid operating system of truck crane, and crane3 Sep 2026US 2026/0257897 A1Xuzhou Heavy Machinery Co., Ltd.
- Crane swing control device, crane equipped therewith, and crane swing method6 Aug 2026US 2026/0225861 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Hybrid-power control method and system, and crane30 Jul 2026US 2026/0217499 A1Xuzhou Heavy Machinery Co., Ltd.
- Crane upper and lower structure interlocking system, and crane9 Jul 2026US 2026/0193063 A1Xuzhou Heavy Machinery Co., Ltd.
- Crane arrangement19 Mar 2026US 2026/0077980 A1Hiab AB
Most cited
By later US patents
- Thermal contraction control apparatus for hydraulic cylinders18US 6,634,172 B2Grove U.S. L.L.C. · 2003
- Method for guiding a boom and a system for guiding a boom15US 6,553,278 B2Timberjack Inc. · 2003
- Crane control device12US 5,732,835 AKomatsu Ltd. · 1998
- Large manipulator with articulated mast that can be quickly folded and unfolded11US 10,625,990 B2Schwing GmbH · 2020
- Operation control apparatus for crane8US 10,486,944 B2Fuji Electric Co., Ltd. · 2019