B66B 23/145
Roller assemblies
Official title: {Roller assemblies}
B66B23/145 (Roller assemblies) appears on 27 US grants and 21 published applications in this corpus.
Search patents in B66B- Granted patents
- 27
- Published applications
- 21
- Assignees
- 10
- Inventors
- 65
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 4 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Belt-driven escalator25 Jan 2022US 11,230,459 B2Otis Elevator Company
- Escalator31 Aug 2021US 11,104,551 B2
- Belt-driven people conveyors8 Jun 2021US 11,027,946 B2Otis Elevator Company
- 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
- Escalator module and escalator23 Jan 2025US 2025/0026614 A1Kone Corporation
- Assembled passenger conveying system, method of assembling the same, and modularized device22 Aug 2024US 2024/0279028 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
- Roller assembly for a passenger conveyor step chain15US 5,806,653 AOtis Elevator Company · 1998
- Escalator with step levelers11US 4,175,652 AHitachi, Ltd. · 1979
- Racetrack escalator10US 4,411,352 AOtis Elevator Company · 1983
- Conveyor, especially autowalks for persons8US 3,964,596 AO&K Orenstein & Koppel Aktiengesellschaft · 1976