B66B 23/14
Guiding means for carrying surfaces
B66B23/14 (Guiding means for carrying surfaces) appears on 108 US grants and 90 published applications in this corpus.
Search patents in B66B- Granted patents
- 108
- Published applications
- 90
- Assignees
- 26
- Inventors
- 198
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 5 |
| 2008 | 5 | 4 |
| 2009 | 3 | 4 |
| 2010 | 4 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 4 |
| 2013 | 1 | 3 |
| 2014 | 3 | 5 |
| 2015 | 6 | 8 |
| 2016 | 6 | 3 |
| 2017 | 5 | 6 |
| 2018 | 9 | 5 |
| 2019 | 4 | 11 |
| 2020 | 8 | 3 |
| 2021 | 4 | 4 |
| 2022 | 2 | 3 |
| 2023 | 3 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Assembled passenger conveying system, method of assembling the same, and modularized device8 Sep 2026US 12,729,098 B2Otis Elevator Company
- Escalator module and escalator30 Jun 2026US 12,668,459 B2Kone Corporation
- Escalator combplate retraction device26 May 2026US 12,637,331 B2Otis Elevator Company
- People-transporting system having a guide means in the entry regions26 Aug 2025US 12,398,020 B2Inventio AG
- Rail fastening device for guide rail sections of an escalator or moving walkway28 Jan 2025US 12,208,990 B2Inventio AG
- Method and device for installing an escalator or a moving walkway on a receiving structure integrated in a building17 Sep 2026US 2026/0275735 A1Inventio AG
- Escalator apparatus having a height-limiting device acting on step rollers, and use3 Sep 2026US 2026/0257893 A1TK Elevator Innovation and Operations GmbH
- Self-locking structure of threaded connection3 Jul 2025US 2025/0215920 A1TK Elevator Innovation and Operations GmbH
- Bearing positioning structure without radial interference fit26 Jun 2025US 2025/0207631 A1TK Elevator Innovation and Operations GmbH
- Step of passenger conveyor and passenger conveyor12 Jun 2025US 2025/0187879 A1Otis Elevator Company
Most cited
By later US patents
- Escalator having guide wheels and guide track with cooperative non-flat surfaces66US 4,064,986 AWestinghouse Electric Corp. · 1977
- Method and apparatus for entrapment prevention and lateral guidance in passenger conveyor systems35US 4,519,490 A1985
- Method and apparatus for entrapment prevention and lateral guidance in passenger conveyor systems24US 4,413,719 A1983
- Roller assembly for a passenger conveyor step chain15US 5,806,653 AOtis Elevator Company · 1998
- Escalator with high speed inclined section14US 6,832,678 B2Mitsubishi Denki Kabushiki Kaisha · 2004