B66B 13/305
Slat doors for elevators
Official title: {Slat doors for elevators}
B66B13/305 (Slat doors for elevators) appears on 4 US grants and 5 published applications in this corpus.
Search patents in B66B- Granted patents
- 4
- Published applications
- 5
- Assignees
- 3
- Inventors
- 12
- Latest grant
- 24 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Elevator system for serving floors in a building with mixed use16 Jan 2025US 2025/0019208 A1Inventio AG
- Elevator door panel23 Nov 2017US 2017/0334682 A1Kone Corporation
- Sliding door with stackable panels6 Oct 2011US 2011/0240234 A1
- Door system30 Oct 2008US 2008/0264574 A1Inventio AG
- Barrier assembly for a wheelchair lift29 May 2008US 2008/0121467 A1Lift-U, Division of Hogan Mfg., Inc.
Most cited
By later US patents