B66B 3/02
Position or depth indicators
B66B3/02 (Position or depth indicators) appears on 105 US grants and 100 published applications in this corpus.
Search patents in B66B- Granted patents
- 105
- Published applications
- 100
- Assignees
- 32
- Inventors
- 267
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 2 |
| 2013 | 2 | 2 |
| 2014 | 2 | 4 |
| 2015 | 2 | 5 |
| 2016 | 3 | 11 |
| 2017 | 7 | 4 |
| 2018 | 8 | 7 |
| 2019 | 2 | 13 |
| 2020 | 4 | 12 |
| 2021 | 3 | 8 |
| 2022 | 6 | 3 |
| 2023 | 8 | 6 |
| 2024 | 7 | 3 |
| 2025 | 4 | 5 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-stage detection trigger for human sensing6 Oct 2026US 12,753,044 B2Otis Elevator Company
- Sensor-based shutdown detection of elevator system26 May 2026US 12,637,325 B2Otis Elevator Company
- Elevator positioning system with cascading reflector arrangement19 May 2026US 12,630,391 B2Honeywell International Inc.
- Elevator position measurement system12 May 2026US 12,623,885 B2Otis Elevator Company
- Elevator operating device with waiting time and occupancy symbolizations5 May 2026US 12,617,653 B2Inventio AG
- Elevator control system15 May 2025US 2025/0153972 A1Mitsubishi Electric Corporation
- Audible feedback device1 May 2025US 2025/0136409 A1Otis Elevator Company
- Elevator system and method for operating27 Feb 2025US 2025/0066159 A1Kone Corporation
- Elevator system and a method23 Jan 2025US 2025/0026609 A1Kone Corporation
- Dust mitigation for optical position reference system of an elevator system16 Jan 2025US 2025/0019203 A1Otis Elevator Company
Most cited
By later US patents
- Elevator display system using composite images to display car position136US 5,485,897 AFujitec Co., Ltd. · 1996
- Method for controlling an elevator utilizing a mobile telephone57US 6,868,945 B2Inventio AG · 2005
- Floor number display at landing and in car, informative to elevator passengers31US 6,997,288 B2Kone Corporation · 2006
- Elevator push-button device29US 5,821,479 AOtis Elevator Company · 1998
- Elevator installation maintenance monitoring utilizing a door acceleration sensor25US 8,678,143 B2Inventio AG · 2014