B66D 3/06
With more than one pulley
Official title: with more than one pulley
B66D3/06 (With more than one pulley) appears on 169 US grants and 135 published applications in this corpus.
Search patents in B66D- Granted patents
- 169
- Published applications
- 135
- Assignees
- 90
- Inventors
- 283
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 6 | 3 |
| 2004 | 2 | 3 |
| 2005 | 4 | 4 |
| 2006 | 1 | 2 |
| 2007 | 3 | 1 |
| 2008 | 3 | 3 |
| 2009 | 2 | 3 |
| 2010 | 6 | 4 |
| 2011 | 4 | 2 |
| 2012 | 2 | 6 |
| 2013 | 3 | 9 |
| 2014 | 3 | 3 |
| 2015 | 4 | 6 |
| 2016 | 4 | 3 |
| 2017 | 3 | 8 |
| 2018 | 3 | 10 |
| 2019 | 15 | 10 |
| 2020 | 15 | 12 |
| 2021 | 11 | 12 |
| 2022 | 9 | 8 |
| 2023 | 6 | 5 |
| 2024 | 7 | 3 |
| 2025 | 5 | 6 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Block and tackle assembly for bladder anchor17 Mar 2026US 12,576,948 B1Hotwire Development, LLC
- Roof support system for transport vehicles and related methods2 Dec 2025US 12,485,851 B1
- Double pulley, rescue device comprising such double pulley and method for using such rescue device30 Sep 2025US 12,428,273 B2Zedel
- Double-reeved lifting device with an improved pawl-locking mechanism29 Jul 2025US 12,371,308 B2Manitowoc Crane Group France SAS
- Enhanced lift assist device8 Apr 2025US 12,270,212 B2Construction Robotics, LLC
- Field-deployable modular snatch block device8 Oct 2026US 2026/0307955 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.
- Hoist system6 Aug 2026US 2026/0225863 A1
- Lifting assembly11 Jun 2026US 2026/0159322 A1Ocado Innovation Limited
Most cited
By later US patents
- Multiple pulley sheave assembly with retainer pulleys33US 4,492,363 A1985
- Adjustable, collapsible and portable game hoist33US 7,913,980 B12011
- Ratchet with journaled spool30US 6,092,791 A2000
- Hoisting device, with compensator built into hoisting cable system28US 6,595,494 B1Huisman Special Lifting Equipment B.V. · 2003
- Combination descender, pulley and force limiting rope brake28US 7,658,264 B22010