B66D 3/20
With driving motor
Official title: with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
B66D3/20 (With driving motor) appears on 166 US grants and 161 published applications in this corpus.
Search patents in B66D- Granted patents
- 166
- Published applications
- 161
- Assignees
- 100
- Inventors
- 338
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 4 | 3 |
| 2006 | 0 | 3 |
| 2007 | 3 | 3 |
| 2008 | 4 | 3 |
| 2009 | 3 | 2 |
| 2010 | 1 | 8 |
| 2011 | 4 | 3 |
| 2012 | 2 | 2 |
| 2013 | 4 | 6 |
| 2014 | 4 | 9 |
| 2015 | 3 | 6 |
| 2016 | 5 | 6 |
| 2017 | 3 | 8 |
| 2018 | 8 | 14 |
| 2019 | 9 | 6 |
| 2020 | 13 | 13 |
| 2021 | 12 | 12 |
| 2022 | 4 | 10 |
| 2023 | 7 | 12 |
| 2024 | 16 | 9 |
| 2025 | 8 | 9 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Article elevating device8 Sep 2026US 12,733,438 B2Daifuku Co., Ltd.
- Rope grab device for a portable power driven system10 Mar 2026US 12,570,505 B2Skylotec GmbH
- Hoist apparatus comprising a monitoring device and management system using the hoist apparatus17 Feb 2026US 12,552,647 B2Tractel S.A.
- Transport system and method for controlling transport system10 Feb 2026US 12,545,556 B2Kito Corporation
- Line roller assembly10 Feb 2026US 12,545,560 B2
- Air hoist, particularly adapted for use in a shipyard8 Oct 2026US 2026/0307956 A1
- Air filter lift assembly20 Aug 2026US 2026/0242190 A1
- Pipe replacement drum device and method6 Aug 2026US 2026/0227004 A1TT Technologies, Inc.
- Servo hoist system including slidable and rotatable spool23 Jul 2026US 2026/0209013 A1Knight Industries & Associates, Inc.
- Multiple brake hoist for overhead crane19 Feb 2026US 2026/0048967 A1Mazzella Lifting Texhnologies, Inc.
Most cited
By later US patents
- Pneumatic human power amplifer module74US 5,915,673 A1999
- Brake, in particular for a drive of a hoist62US 6,460,828 B1Demag Cranes & Components GmbH · 2002
- Personal lift device52US 7,240,621 B2Prism Medical Ltd. · 2007
- Microprocessor-controlled hoist system47US 4,636,962 AColumbus McKinnon Corporation · 1987
- Portable winch46US 6,241,215 B1Mannesmann Aktiengesellschaft · 2001