B66B 7/123
By analysing magnetic variables
Official title: {by analysing magnetic variables}
B66B7/123 (By analysing magnetic variables) appears on 29 US grants and 34 published applications in this corpus.
Search patents in B66B- Granted patents
- 29
- Published applications
- 34
- Assignees
- 16
- Inventors
- 92
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 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 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 4 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 0 | 6 |
| 2020 | 3 | 1 |
| 2021 | 1 | 4 |
| 2022 | 5 | 3 |
| 2023 | 1 | 4 |
| 2024 | 2 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wire rope inspection device7 Jul 2026US 12,673,847 B2Shimadzu Corporation
- Method and an elevator system for performing a synchronization run of an elevator car20 May 2025US 12,304,775 B2Kone Corporation
- Wire rope inspection device and wire rope inspection system29 Apr 2025US 12,287,309 B2Shimadzu Corporation
- Wire rope inspection system and positioning method for wire rope inspection system8 Oct 2024US 12,111,287 B2Shimadzu Corporation
- Health monitoring of elevator system tension members30 Jan 2024US 11,884,516 B2Otis Elevator Company
- Arrangement for condition monitoring of a rope of a hoisting apparatus28 Dec 2023US 2023/0416050 A1Kone Corporation
- Wire rope inspection device and wire rope inspection system31 Aug 2023US 2023/0273155 A1Shimadzu Corporation
- Wire rope inspection device23 Feb 2023US 2023/0053507 A1Shimadzu Corporation
- Wire rope inspection system and positioning method for wire rope inspection system19 Jan 2023US 2023/0018455 A1Shimadzu Corporation
- Monitoring of an elevator system11 Aug 2022US 2022/0250874 A1Kone Corporation
Most cited
By later US patents
- Method and apparatus for detecting elevator rope degradation using electrical resistance47US 7,123,030 B2Otis Elevator Company · 2006
- Electromagnetic inspecting apparatus for magnetizable wire rope44US 4,427,940 AHitachi Elevator Engineering and Service Co., Ltd. · 1984
- Method and apparatus for conducting in-situ nondestructive tensile load measurements in cables and ropes28US 5,821,430 ASouthwest Research Institute · 1998
- Method and apparatus for magnetic detection of degradation of jacketed elevator rope26US 6,633,159 B1Otis Elevator Company · 2003
- Method and apparatus to inspect hoisting ropes25US 6,073,728 AOtis Elevator Company · 2000