B66B 11/007
For counterweightless elevators
Official title: {for counterweightless elevators}
B66B11/007 (For counterweightless elevators) appears on 23 US grants and 34 published applications in this corpus.
Search patents in B66B- Granted patents
- 23
- Published applications
- 34
- Assignees
- 7
- Inventors
- 43
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 6 |
| 2007 | 2 | 4 |
| 2008 | 0 | 3 |
| 2009 | 5 | 4 |
| 2010 | 2 | 1 |
| 2011 | 3 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sabbath elevator6 Jan 2026US 12,515,915 B2
- Rope-climbing self propelled elevator system6 Sep 2022US 11,434,107 B2Otis Elevator Company
- Rope-climbing self propelled elevator system29 Dec 2020US 10,875,743 B2Otis Elevator Company
- Elevator23 Jan 2018US 9,873,594 B2Kone Corporation
- Elevator23 Dec 2014US 8,915,333 B2Kone Corporation
- Sabbath elevator6 Aug 2026US 2026/0225851 A1
- Green Elevator System Using Weightless Ropes Traction Concept And Related Applications2 Mar 2023US 2023/0060525 A1
- Attic Lift System3 Feb 2022US 2022/0033222 A1
- Sabbath elevator26 Aug 2021US 2021/0261382 A1
- Rope-climbing self propelled elevator system18 Mar 2021US 2021/0078829 A1Otis Elevator Company
Most cited
By later US patents
- Pulley-driven elevator42US 6,193,017 B1Blain Hydraulics GmbH · 2001
- Drive system for wire rope hoists21US 4,502,570 ALinden-Alimak AB · 1985
- Elevator15US 7,207,421 B2Kone Corporation · 2007
- Elevator with compensating device13US 7,481,299 B2Kone Corporation · 2009
- Elevator cable tensioning device12US 7,802,658 B2Kone Corporation · 2010