B66F 3/44
Devices: with self-contained electric driving motors
Official title: with self-contained electric driving motors
B66F3/44 (Devices: with self-contained electric driving motors) appears on 136 US grants and 137 published applications in this corpus.
Search patents in B66F- Granted patents
- 136
- Published applications
- 137
- Assignees
- 98
- Inventors
- 363
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 3 |
| 2003 | 0 | 0 |
| 2004 | 3 | 0 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 0 | 7 |
| 2008 | 3 | 4 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 4 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 5 |
| 2015 | 6 | 4 |
| 2016 | 1 | 5 |
| 2017 | 4 | 5 |
| 2018 | 2 | 8 |
| 2019 | 8 | 4 |
| 2020 | 6 | 8 |
| 2021 | 3 | 8 |
| 2022 | 9 | 9 |
| 2023 | 10 | 11 |
| 2024 | 8 | 17 |
| 2025 | 12 | 15 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Multi-usage electric tool with angle-changeable grip670US 6,039,126 A2000
- System and method for transporting inventory items71US 7,850,413 B2Kiva Systems, Inc. · 2010
- Shipping container handling system54US 7,100,896 B1North American Partners · 2006
- Portable powered screw jack actuator unit49US 4,749,169 ACasco Products Corporation · 1988
- Electromechanical equivalent of fluid powered cylinder43US 4,137,784 AIndustrial Device Corporation · 1979