B66C
Cranes
Official title: CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES ({specially adapted for lifting invalids A61G7/10;} rope, cable, or chain winding mechanisms, braking or detent devices therefor B66D; specially adapted for nuclear reactors G21)
B66C (Cranes) appears on 10,050 US grants and 8,085 published applications in this corpus.
Search patents in B66C- Granted patents
- 10,050
- Published applications
- 8,085
- Assignees
- 3,850
- Inventors
- 15,622
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 200 | 0 |
| 1977 | 164 | 0 |
| 1978 | 161 | 0 |
| 1979 | 136 | 0 |
| 1980 | 157 | 0 |
| 1981 | 172 | 0 |
| 1982 | 119 | 0 |
| 1983 | 134 | 0 |
| 1984 | 135 | 0 |
| 1985 | 162 | 0 |
| 1986 | 123 | 0 |
| 1987 | 156 | 0 |
| 1988 | 107 | 0 |
| 1989 | 105 | 0 |
| 1990 | 103 | 0 |
| 1991 | 121 | 0 |
| 1992 | 111 | 0 |
| 1993 | 112 | 0 |
| 1994 | 97 | 0 |
| 1995 | 124 | 0 |
| 1996 | 116 | 0 |
| 1997 | 130 | 0 |
| 1998 | 164 | 0 |
| 1999 | 148 | 0 |
| 2000 | 186 | 0 |
| 2001 | 136 | 33 |
| 2002 | 145 | 141 |
| 2003 | 181 | 159 |
| 2004 | 87 | 168 |
| 2005 | 88 | 165 |
| 2006 | 140 | 171 |
| 2007 | 130 | 178 |
| 2008 | 119 | 220 |
| 2009 | 123 | 236 |
| 2010 | 160 | 290 |
| 2011 | 167 | 303 |
| 2012 | 190 | 275 |
| 2013 | 230 | 302 |
| 2014 | 276 | 343 |
| 2015 | 305 | 391 |
| 2016 | 324 | 376 |
| 2017 | 344 | 367 |
| 2018 | 351 | 422 |
| 2019 | 412 | 482 |
| 2020 | 440 | 458 |
| 2021 | 403 | 521 |
| 2022 | 341 | 520 |
| 2023 | 386 | 433 |
| 2024 | 471 | 471 |
| 2025 | 417 | 370 |
| 2026 | 241 | 290 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B66C 23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a3,773
- B66C 1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes3,727
- B66C 13/00Cranes: other constructional features or details2,603
- B66C 19/00Cranes comprising trolleys or crabs running on fixed or movable bridges or669
- B66C 15/00Safety gear444
- B66C 17/00Overhead travelling cranes comprising one or more substantially horizontal girders the ends337
- B66C 2700/00CranesIndexing code334
- B66C 3/00Load-engaging elements or devices attached to lifting or lowering gear of cranes318
All 15 main groupsShow fewer
- B66C 9/00Travelling gear incorporated in or fitted to trolleys or cranes289
- B66C 11/00Trolleys or crabs233
- B66C 7/00Runways, tracks or trackways for trolleys or cranes172
- B66C 5/00Base supporting structures with legs130
- B66C 21/00Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways106
- B66C 6/00Girders, or track-supporting structures, specially adapted for cranes49
- B66C 25/00Cranes not provided for in groups b66c17/00 - b66c23/0027
Recent patents
- System and method for the transport and holding of building materials6 Oct 2026US 12,753,050 B2Nilec Solutions, LLC
- System and method for determining position of a pipelayer boom6 Oct 2026US 12,753,051 B2Caterpillar Inc.
- Transferring unit, article transferring system, and control method of transferring unit29 Sep 2026US 12,747,107 B2Semes Co., Ltd.
- Crane and control method for slewing and traveling of a crane under no load while having a super-lift counterweight29 Sep 2026US 12,747,139 B2Xcmg Construction Machinery Co., Ltd. Building Machinery Co.
- Crane stabilizer pad system and methods29 Sep 2026US 12,747,140 B2Raptor Tech, Inc.
- Operating modes of an electric crane8 Oct 2026US 2026/0307509 A1
- Spreader beam, crane and vessel8 Oct 2026US 2026/0307945 A1Barge Master IP B.V.
- Sling based lifting system8 Oct 2026US 2026/0307946 A1Enduro Softslings B.V.
- Remotely operable lifting equipment8 Oct 2026US 2026/0307947 A1
- Clamping mechanism and limiting mechanism for lifting device8 Oct 2026US 2026/0307948 A1Great Circle Machinery Corp
Most cited
By later US patents
- In vivo accessories for minimally invasive robotic surgery1,425US 7,125,403 B2Intuitive Surgical, Inc. · 2006
- Bushing arm deformation mechanism836US 9,044,241 B2Boston Scientific Scimed, Inc. · 2015
- In vivo accessories for minimally invasive robotic surgery380US 8,551,116 B2Intuitive Surgical Operations, Inc. · 2013
- Single beam photoneutron probe and X-ray imaging system for contraband detection and identification336US 5,838,759 AAdvanced Research and Applications Corporation · 1998
- Method of actively controlling winch swing via modulated uptake and release324US 9,422,139 B1Google Inc. · 2016