B66B 11/0484
With a clutch or a coupling system between several motors
Official title: {with a clutch or a coupling system between several motors, e.g. switching different speeds, progressive starting, torque limitation, flywheel (control B66B1/28)}
B66B11/0484 (With a clutch or a coupling system between several motors) appears on 5 US grants and 12 published applications in this corpus.
Search patents in B66B- Granted patents
- 5
- Published applications
- 12
- Assignees
- 6
- Inventors
- 22
- Latest grant
- 1 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Elevator power supply and drive system14 Apr 1987US 4,657,117 ASchindler Haughton Elevator Corporation
- Plural rope friction hoist with braking apparatus22 Aug 1978US 4,108,280 ACanadian General Electric Company Limited
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Most cited
By later US patents
- Plural rope friction hoist with braking apparatus13US 4,108,280 ACanadian General Electric Company Limited · 1978
- Elevator power supply and drive system12US 4,657,117 ASchindler Haughton Elevator Corporation · 1987
- Elevator system with multiple cars in the same hoistway12US 7,357,226 B22008
- Method and arrangement for moving a heavy load1US 9,415,974 B2Kone Corporation · 2016