B66B 23/04
For handrails
Official title: for handrails
B66B23/04 (For handrails) appears on 82 US grants and 56 published applications in this corpus.
Search patents in B66B- Granted patents
- 82
- Published applications
- 56
- Assignees
- 26
- Inventors
- 156
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 6 |
| 2007 | 2 | 2 |
| 2008 | 3 | 3 |
| 2009 | 3 | 2 |
| 2010 | 2 | 3 |
| 2011 | 5 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 4 |
| 2016 | 2 | 3 |
| 2017 | 4 | 2 |
| 2018 | 3 | 1 |
| 2019 | 2 | 5 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 1 | 4 |
| 2025 | 2 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Handrail systems for moving walkways11 Aug 2026US 12,703,607 B2Beltways Inc.
- Escalator module and escalator30 Jun 2026US 12,668,459 B2Kone Corporation
- Seat systems for moving walkways21 Apr 2026US 12,606,420 B2Beltways Inc.
- Automatic transport device16 Sep 2025US 12,415,709 B2Otis Elevator Company
- Systems and methods for variable speed modular moving walkways8 Apr 2025US 12,269,710 B2Beltways Inc.
- Seat systems for moving walkways30 Jul 2026US 2026/0217497 A1Beltways Inc.
- Modernization escalator25 Jun 2026US 2026/0176076 A1Hanson Lift (Suzhou) Co., Ltd.
- Systems and methods for variable speed modular moving walkways29 Jan 2026US 2026/0028203 A1Beltways Inc.
- Systems and methods for variable speed modular moving walkways26 Jun 2025US 2025/0206572 A1Beltways Inc.
- Escalator module and escalator23 Jan 2025US 2025/0026614 A1Kone Corporation
Most cited
By later US patents
- Abrasion resistant polyurethane article having a high rolling coefficient of friction33US 4,134,883 AWestinghouse Electric Corp. · 1979
- Cogbelt handrail drive for passenger conveyor22US 4,895,240 AOtis Elevator Company · 1990
- Handrail drive mechanism for a passenger conveyor18US 5,125,494 AMontgomery Elevator Company · 1992
- Moving handrail drive17US 5,307,920 AOtis Elevator Company · 1994
- Passenger conveyor15US 4,674,619 AHitachi Elevator Engineering Co., Ltd. · 1987