B66B 1/3476
Load weighing or car passenger counting devices
Official title: {Load weighing or car passenger counting devices (B66B5/14 takes precedence)}
B66B1/3476 (Load weighing or car passenger counting devices) appears on 222 US grants and 247 published applications in this corpus.
Search patents in B66B- Granted patents
- 222
- Published applications
- 247
- Assignees
- 69
- Inventors
- 575
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 2 | 4 |
| 2010 | 2 | 2 |
| 2011 | 3 | 1 |
| 2012 | 3 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 12 |
| 2016 | 4 | 19 |
| 2017 | 6 | 9 |
| 2018 | 12 | 16 |
| 2019 | 13 | 25 |
| 2020 | 7 | 33 |
| 2021 | 12 | 28 |
| 2022 | 18 | 22 |
| 2023 | 17 | 12 |
| 2024 | 14 | 16 |
| 2025 | 27 | 24 |
| 2026 | 15 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for controlling an elevator car8 Sep 2026US 12,729,094 B2Hyundai Motor Company
- Suspension device and use thereof in an elevator system, and method8 Sep 2026US 12,729,095 B2Inventio AG
- Method for operating an elevator system and elevator system25 Aug 2026US 12,715,732 B2Kone Corporation
- Smart elevator system with dynamic occupancy limit18 Aug 2026US 12,709,515 B1United Services Automobile Association (USAA)
- System and method for hydraulic-pneumatic drive with energy storage for elevators21 Jul 2026US 12,686,588 B2
- Elevator Traction Media Monitoring1 Oct 2026US 2026/0296833 A1Inventio AG
- Method and a system for determining a fill level of an elevator car20 Aug 2026US 2026/0242177 A1Kone Corporation
- Sabbath elevator6 Aug 2026US 2026/0225851 A1
- Intelligent control system based on elevator2 Jul 2026US 2026/0184534 A1Lockis Technology Limited
- Methods, internet of things large model systems, and storage media for smart city elevator operation4 Jun 2026US 2026/0152364 A1Chengdu Qinchuan Iot Technology Co., Ltd.
Most cited
By later US patents
- Human occupancy detection method and system for implementing the same373US 5,703,367 AMatsushita Electric Industrial Co., Ltd. · 1997
- Pattern recognition system95US 3,936,800 AHitachi, Ltd. · 1976
- Apparatus and methods for detecting number of people waiting in an elevator hall using plural image processing means with overlapping fields of view69US 5,298,697 AHitachi, Ltd. · 1994
- Image data processor57US 4,254,400 AHitachi, Ltd. · 1981
- Three-dimensional monitoring in the area of an elevator by means of a three-dimensional sensor51US 7,140,469 B2Inventio AG · 2006