B66B 7/1223
By analysing electric variables
Official title: {by analysing electric variables}
B66B7/1223 (By analysing electric variables) appears on 80 US grants and 107 published applications in this corpus.
Search patents in B66B- Granted patents
- 80
- Published applications
- 107
- Assignees
- 10
- Inventors
- 153
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 5 |
| 2008 | 2 | 4 |
| 2009 | 2 | 0 |
| 2010 | 4 | 1 |
| 2011 | 1 | 5 |
| 2012 | 0 | 1 |
| 2013 | 1 | 5 |
| 2014 | 4 | 2 |
| 2015 | 1 | 11 |
| 2016 | 5 | 8 |
| 2017 | 7 | 7 |
| 2018 | 12 | 4 |
| 2019 | 2 | 14 |
| 2020 | 2 | 7 |
| 2021 | 6 | 6 |
| 2022 | 6 | 2 |
| 2023 | 4 | 7 |
| 2024 | 5 | 2 |
| 2025 | 4 | 5 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elevator suspension member monitoring29 Sep 2026US 12,747,135 B2Otis Elevator Company
- Methods of monitoring the condition of elevator belts2 Jun 2026US 12,643,770 B2TK Elevator Innovation and Operations GmbH
- Condition detecting method and device for surface insulating layer of elevator traction belt26 May 2026US 12,637,327 B2Otis Elevator Company
- High strength cord with improved detectability28 Apr 2026US 12,612,287 B1Otis Elevator Company
- Condition monitoring system for elevator hoisting members10 Mar 2026US 12,570,501 B2TK Elevator Innovation and Operations GmbH
- Elevator suspension member monitoring system6 Aug 2026US 2026/0225852 A1Otis Elevator Company
- Resiliently biased elevator connector30 Jul 2026US 2026/0217495 A1Otis Elevator Company
- Hinged connector for elevator suspension member16 Jul 2026US 2026/0200702 A1Otis Elevator Company
- Resistance-based inspection of elevator system support members30 Apr 2026US 2026/0116702 A1Otis Elevator Company
- Belt for Carrying an Elevator Car and/or a Counterweight of an Elevator System30 Oct 2025US 2025/0333270 A1Inventio AG
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
- Suspension rope wear detector28US 6,653,943 B2Inventio AG · 2003
- Method and apparatus for magnetic detection of degradation of jacketed elevator rope26US 6,633,159 B1Otis Elevator Company · 2003
- Electrical signal application strategies for monitoring a condition of an elevator load bearing member26US 8,011,479 B2Otis Elevator Company · 2011