B66B 23/022
With polygon effect reduction means
Official title: {with polygon effect reduction means}
B66B23/022 (With polygon effect reduction means) appears on 31 US grants and 30 published applications in this corpus.
Search patents in B66B- Granted patents
- 31
- Published applications
- 30
- Assignees
- 10
- Inventors
- 48
- Latest grant
- 24 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 4 |
| 2006 | 2 | 2 |
| 2007 | 2 | 4 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 3 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 3 | 3 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for mounting a conveyor chain for a pallet belt of a moving walkway24 May 2022US 11,339,029 B2Inventio AG
- Belt-driven escalator25 Jan 2022US 11,230,459 B2Otis Elevator Company
- Polygon compensation coupling for chain and sprocket driven systems12 May 2020US 10,647,548 B2Otis Elevator Company
- Pedestrian conveyor mass damper to reduce step vibration21 Apr 2020US 10,625,985 B1Kone Corporation
- Drive system for a people conveyor21 Jan 2020US 10,538,416 B2Otis Elevator Company
- Method for mounting a conveyor chain for a pallet belt of a moving walkway17 Mar 2022US 2022/0081259 A1Inventio AG
- Belt-driven escalator30 Dec 2021US 2021/0403291 A1Otis Elevator Company
- Drive system for a people conveyor21 Nov 2019US 2019/0352138 A1Otis Elevator Company
- Passenger Conveyor16 Nov 2017US 2017/0327349 A1Otis Elevator Company
- Fixing modules and pallets for a pallet conveyor19 Oct 2017US 2017/0297872 A1Otis Elevator Company
Most cited
By later US patents
- Fixed track chain drive33US 4,498,890 AGeneral Electric Company · 1985
- Conveyance system21US 7,442,139 B2Tsubakimoto Chain Co. · 2008
- Chain-turning system17US 5,306,212 AFerag AG · 1994
- Drive system for escalators or moving walkways14US 7,296,671 B2Kone Corporation · 2007
- Conveyor device12US 7,568,571 B2Toshiba Elevator Kabushiki Kaisha · 2009