B66B 7/12
Checking, lubricating, or cleaning means for ropes, cables or guides
B66B7/12 (Checking, lubricating, or cleaning means for ropes, cables or guides) appears on 254 US grants and 312 published applications in this corpus.
Search patents in B66B- Granted patents
- 254
- Published applications
- 312
- Assignees
- 64
- Inventors
- 544
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 2 |
| 2003 | 4 | 9 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 8 |
| 2008 | 2 | 6 |
| 2009 | 3 | 1 |
| 2010 | 7 | 4 |
| 2011 | 1 | 10 |
| 2012 | 1 | 6 |
| 2013 | 3 | 9 |
| 2014 | 7 | 9 |
| 2015 | 5 | 19 |
| 2016 | 7 | 18 |
| 2017 | 19 | 20 |
| 2018 | 26 | 19 |
| 2019 | 11 | 40 |
| 2020 | 18 | 25 |
| 2021 | 17 | 30 |
| 2022 | 20 | 17 |
| 2023 | 11 | 18 |
| 2024 | 22 | 11 |
| 2025 | 23 | 15 |
| 2026 | 13 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Elevator suspension member monitoring29 Sep 2026US 12,747,135 B2Otis Elevator Company
- Elongation based monitoring of tension members22 Sep 2026US 12,741,848 B2Otis Elevator Company
- Wire rope inspection device7 Jul 2026US 12,673,847 B2Shimadzu Corporation
- Method and device for monitoring properties of a supporting-means arrangement in an elevator system16 Jun 2026US 12,654,989 B2Inventio AG
- Methods of monitoring the condition of elevator belts2 Jun 2026US 12,643,770 B2TK Elevator Innovation and Operations GmbH
- Elevator Traction Media Monitoring1 Oct 2026US 2026/0296833 A1Inventio AG
- Reading device for a shaft information system of an elevator system, shaft information system, and elevator system3 Sep 2026US 2026/0257888 A1Inventio AG
- Elevator long-object checking device27 Aug 2026US 2026/0250101 A1Mitsubishi Electric Corporation
- Elevator suspension member monitoring system6 Aug 2026US 2026/0225852 A1Otis Elevator Company
- Resiliently biased elevator connector30 Jul 2026US 2026/0217495 A1Otis Elevator Company
Most cited
By later US patents
- Method and apparatus for detecting elevator rope degradation using electrical resistance47US 7,123,030 B2Otis Elevator Company · 2006
- Monitoring a suspension and traction means of an elevator system45US 8,686,747 B2Inventio AG · 2014
- Electromagnetic inspecting apparatus for magnetizable wire rope44US 4,427,940 AHitachi Elevator Engineering and Service Co., Ltd. · 1984
- Rope tension monitoring assembly and method38US 6,123,176 AOtis Elevator Company · 2000
- Method and apparatus for conducting in-situ nondestructive tensile load measurements in cables and ropes28US 5,821,430 ASouthwest Research Institute · 1998