B66B 7/1238
By optical techniques
Official title: {by optical techniques}
B66B7/1238 (By optical techniques) appears on 36 US grants and 54 published applications in this corpus.
Search patents in B66B- Granted patents
- 36
- Published applications
- 54
- Assignees
- 21
- Inventors
- 131
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 4 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 3 | 6 |
| 2019 | 0 | 6 |
| 2020 | 4 | 8 |
| 2021 | 5 | 4 |
| 2022 | 3 | 6 |
| 2023 | 2 | 1 |
| 2024 | 5 | 3 |
| 2025 | 2 | 4 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Elevator rope inspection device and method for inspecting an elevator rope19 May 2026US 12,630,394 B2Meidensha Corporation
- Elevator rope tension measurement system19 May 2026US 12,630,395 B2Mitsubishi Electric Building Solutions Corporation
- Method for inspecting twist of wire ropes28 Oct 2025US 12,454,442 B2
- Determination of the state of a suspension means7 Oct 2025US 12,434,944 B2Inventio AG
- Elevator system1 Oct 2024US 12,103,824 B2Prysmian S P A.
- Elevator long-object checking device27 Aug 2026US 2026/0250101 A1Mitsubishi Electric Corporation
- System and method for monitoring moving elements22 Jan 2026US 2026/0024185 A1Odysight.Ai Ltd.
- System and method for monitoring moving elements11 Dec 2025US 2025/0377263 A1Odysight.Ai Ltd.
- Condition monitoring inside an elevator shaft of an elevator system27 Nov 2025US 2025/0361119 A1Kone Corporation
- System and method for measuring tension member elongation24 Apr 2025US 2025/0128913 A1Otis Elevator Company
Most cited
By later US patents
- Suspension rope wear detector28US 6,653,943 B2Inventio AG · 2003
- Load bearing member for use in an elevator system having external markings for indicating a condition of the assembly24US 7,117,981 B2Otis Elevator Company · 2006
- Rope of an elevator and a method for manufacturing the rope19US 9,126,805 B2Kone Corporation · 2015
- Elevator load bearing assembly having a detectable element that is indicative of local strain10US 6,886,666 B2Otis Elevator Company · 2005
- Travelling cable of an elevator, and an elevator7US 9,944,494 B2Kone Corporation · 2018