B66B 13/301
Details of door sills
Official title: {Details of door sills}
B66B13/301 (Details of door sills) appears on 70 US grants and 79 published applications in this corpus.
Search patents in B66B- Granted patents
- 70
- Published applications
- 79
- Assignees
- 26
- Inventors
- 162
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 4 |
| 2005 | 1 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 4 |
| 2010 | 3 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 6 |
| 2013 | 1 | 1 |
| 2014 | 2 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 3 | 7 |
| 2018 | 4 | 7 |
| 2019 | 4 | 7 |
| 2020 | 4 | 7 |
| 2021 | 6 | 5 |
| 2022 | 5 | 2 |
| 2023 | 5 | 4 |
| 2024 | 4 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hoistway module for forming a hoistway composed of stacked hoistway modules for an elevator installation18 Aug 2026US 12,709,519 B2
- Elevator sill clearance protection device and elevator car26 May 2026US 12,637,329 B2Otis Elevator Company
- Elevator trench drain2 Sep 2025US 12,404,683 B2Zurn Water, LLC
- Construction time use elevator shaft element, elevator arrangement and method27 Aug 2024US 12,071,324 B2Kone Corporation
- Guiding device for an elevator door leaf2 Jul 2024US 12,024,399 B2Wittur Holding GmbH
- Method for installing an elevator installation11 Jun 2026US 2026/0159358 A1Inventio AG
- Hoistway module for forming a hoistway composed of stacked hoistway modules for an elevator installation29 May 2025US 2025/0171274 A1Inventio AG
- Elevator door arrangement and method21 Nov 2024US 2024/0383726 A1Kone Corporation
- Elevator sill clearance protection device and elevator car22 Aug 2024US 2024/0279026 A1Otis Elevator Company
- Guiding device for an elevator door leaf28 Dec 2023US 2023/0416052 A1Wittur Holding GmbH
Most cited
By later US patents
- Wrap-around elevator door44US 6,082,499 AVertisys International, Inc. · 2000
- Runner guide for a sliding elevator door38US 5,165,142 AInventio AG · 1992
- Door sill arrangement in an elevator car27US 5,794,746 AKone Corporation · 1998
- Elevator door sill assembly23US 6,684,573 B2Thyssen Elevator Capital Corp. · 2004
- Elevator trench drain20US 9,777,489 B2Zurn Industries, LLC · 2017