B66B 29/04
For balustrades or handrails
Official title: for balustrades or handrails
B66B29/04 (For balustrades or handrails) appears on 52 US grants and 26 published applications in this corpus.
Search patents in B66B- Granted patents
- 52
- Published applications
- 26
- Assignees
- 24
- Inventors
- 111
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 4 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 4 |
| 2019 | 3 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 4 |
| 2022 | 2 | 2 |
| 2023 | 3 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Position sensor for escalators and moving walkways23 Jun 2026US 12,662,355 B2Inventio AG
- Passenger transport system and method for operating a passenger transport system30 Apr 2024US 11,970,364 B2Inventio AG
- Side monitoring device for a passenger transport system30 May 2023US 11,661,317 B2Inventio AG
- Passenger conveyor and guide shoe for passenger conveyor23 May 2023US 11,655,125 B2Mitsubishi Electric Corporation
- Light source apparatus10 Jan 2023US 11,548,765 B2Suzhou Lekin Semiconductor Co., Ltd.
- Position sensor for escalators and moving walkways7 Aug 2025US 2025/0250144 A1Inventio AG
- Passenger conveying device and method for safely operating a passenger conveying device19 Jun 2025US 2025/0197168 A1Tk Escalator Norte, S.A.
- Passenger transport system and method for operating a passenger transport system30 Mar 2023US 2023/0097710 A1Inventio AG
- Passenger conveyor and guide shoe for passenger conveyor19 May 2022US 2022/0153554 A1Mitsubishi Electric Corporation
- Side monitoring device for a passenger transport system12 May 2022US 2022/0144594 A1Inventio AG
Most cited
By later US patents
- Handrail monitoring system26US 5,092,446 AECS Corporation · 1992
- Escalator handrail entry safety switch actuator18US 4,619,355 AOtis Elevator Company · 1986
- Passenger conveyor safety apparatus18US 5,810,147 A1998
- Strip barrier brush assembly18US 6,595,344 B1Jason, Inc. · 2003
- Safety device for passenger conveyor15US 3,970,187 AMitsubishi Denki Kabushiki Kaisha · 1976