B66C 11/00
Trolleys or crabs
Official title: Trolleys or crabs, e.g. operating above runways (runways, tracks or trackways therefor B66C7/00; winch mechanisms B66D)
B66C11/00 (Trolleys or crabs) appears on 233 US grants and 221 published applications in this corpus.
Search patents in B66C- Granted patents
- 233
- Published applications
- 221
- Assignees
- 150
- Inventors
- 552
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 4 |
| 2003 | 6 | 3 |
| 2004 | 1 | 3 |
| 2005 | 3 | 4 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 0 | 4 |
| 2009 | 2 | 5 |
| 2010 | 7 | 3 |
| 2011 | 6 | 11 |
| 2012 | 5 | 6 |
| 2013 | 3 | 3 |
| 2014 | 4 | 6 |
| 2015 | 4 | 7 |
| 2016 | 5 | 7 |
| 2017 | 6 | 15 |
| 2018 | 10 | 8 |
| 2019 | 13 | 18 |
| 2020 | 16 | 15 |
| 2021 | 11 | 15 |
| 2022 | 12 | 30 |
| 2023 | 15 | 8 |
| 2024 | 19 | 18 |
| 2025 | 19 | 13 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B66C 11/02Trolleys or crabs: with operating gear or operator's cabin suspended, or laterally94
- B66C 11/16Rope, cable, or chain drives for trolleys61
- B66C 11/12Trolleys or crabs: having hoisting gear adapted to special load-engaging elements and31
- B66C 11/08Trolleys or crabs: with turntables16
- B66C 11/14Trolleys or crabs: adapted to operate on crane or bridge structure of9
Recent patents
- Extendable davit arrangement25 Aug 2026US 12,715,549 B2Vestdavit Gruppen AS
- Monorail hoist transportation robot driven by permanent magnet and variable frequency of explosion-proof lithium battery9 Jun 2026US 12,649,644 B2China University of Mining and Technology
- Robotic service device and handling method24 Feb 2026US 12,559,308 B2Ocado Innovation Limited
- Transport vehicle for transporting article in manufacturing factory and article transport system including the same16 Dec 2025US 12,500,105 B2Semes Co., Ltd.
- Product transport and storage apparatus and method of use to eliminate product delivery packaging2 Dec 2025US 12,485,941 B2
- Differential moving device17 Sep 2026US 2026/0274619 A1Tsubakimoto Chain Co.
- Switchboard power equipment lifting device30 Jul 2026US 2026/0217500 A1Ls Electric Co., Ltd.
- Lifting assembly11 Jun 2026US 2026/0159322 A1Ocado Innovation Limited
- Solar panel installation system28 May 2026US 2026/0147338 A1Oshkosh Corporation
- Article Transport Vehicle30 Apr 2026US 2026/0116667 A1Daifuku Co., Ltd.
Most cited
By later US patents
- Lift systems with continuous in-rail charging34US 8,978,905 B2Liko Research & Development AB · 2015
- Traveling mechanism in a lifting arrangement which is moveable on rails29US 6,058,849 AMannesmann Aktiengesellschaft · 2000
- Crane trolley27US 4,423,685 AMannesmann Aktiengesellschaft · 1984
- Hoist apparatus26US 6,966,544 B2MHE Technologies, Inc. · 2005
- Powered auxiliary hoist mechanism for a gantry crane26US 7,546,929 B2Marine Travelift, Inc. · 2009