B66D 3/00
Portable or mobile lifting or hauling appliances
B66D3/00 (Portable or mobile lifting or hauling appliances) appears on 1,209 US grants and 921 published applications in this corpus.
Search patents in B66D- Granted patents
- 1,209
- Published applications
- 921
- Assignees
- 581
- Inventors
- 1,962
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 21 | 0 |
| 1978 | 16 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 28 | 0 |
| 1985 | 15 | 0 |
| 1986 | 15 | 0 |
| 1987 | 15 | 0 |
| 1988 | 15 | 0 |
| 1989 | 16 | 0 |
| 1990 | 12 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 12 | 0 |
| 1995 | 16 | 0 |
| 1996 | 26 | 0 |
| 1997 | 15 | 0 |
| 1998 | 19 | 0 |
| 1999 | 22 | 0 |
| 2000 | 23 | 0 |
| 2001 | 20 | 5 |
| 2002 | 22 | 25 |
| 2003 | 34 | 22 |
| 2004 | 15 | 18 |
| 2005 | 21 | 30 |
| 2006 | 24 | 24 |
| 2007 | 27 | 29 |
| 2008 | 30 | 38 |
| 2009 | 32 | 33 |
| 2010 | 30 | 31 |
| 2011 | 24 | 30 |
| 2012 | 16 | 35 |
| 2013 | 27 | 50 |
| 2014 | 27 | 37 |
| 2015 | 32 | 37 |
| 2016 | 30 | 31 |
| 2017 | 34 | 34 |
| 2018 | 42 | 51 |
| 2019 | 48 | 44 |
| 2020 | 54 | 60 |
| 2021 | 50 | 62 |
| 2022 | 37 | 54 |
| 2023 | 46 | 37 |
| 2024 | 43 | 41 |
| 2025 | 44 | 35 |
| 2026 | 18 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B66D 3/18Power-operated hoists483
- B66D 3/04Pulley blocks or like devices in which force is applied to a390
- B66D 3/12Chain or like hand-operated tackles with or without power transmission gearing between162
- B66D 3/006Power actuated devices operating on ropes, cables, or chains for hauling in114
- B66D 3/02Manually-operated74
- B66D 3/003Portable or mobile lifting or hauling appliances: using two or more cooperating37
Recent patents
- Modular pulley block22 Sep 2026US 12,741,853 B2ROPE Savers LLC
- Article elevating device8 Sep 2026US 12,733,438 B2Daifuku Co., Ltd.
- Method of operating a finishing system1 Sep 2026US 12,723,322 B2SST Systems, Inc.
- Carrying apparatus with loading element7 Jul 2026US 12,672,710 B1
- Compact aircraft rescue hoist with high wrap angle24 Mar 2026US 12,583,592 B2Hornet Acquisitionco, LLC
- Field-deployable modular snatch block device8 Oct 2026US 2026/0307955 A1
- Air hoist, particularly adapted for use in a shipyard8 Oct 2026US 2026/0307956 A1
- Wind turbine mounted crane1 Oct 2026US 2026/0296845 A1Liftra IP Aps
- Frame for trenchless pipe replacement system and method1 Oct 2026US 2026/0298370 A1TT Technologies, Inc.
- Motorized Electric Cart Device27 Aug 2026US 2026/0249894 A1
Most cited
By later US patents
- Release mechanism for a traction apparatus acting on a cable which passes therethrough1,439US 4,438,659 ATractel S. A. · 1984
- Cable pulling device119US 4,635,875 A1987
- Control and guiding device for manually operating a handling unit, and modular construction kit for making such devices of different configuration79US 6,592,321 B2Demag Cranes & Components GmbH · 2003
- Transfer hoist for disabled persons77US 4,372,452 AIndependent Transfer Equipment Co. · 1983
- Pneumatic human power amplifer module74US 5,915,673 A1999