B66B 1/04
Hydraulic
Official title: hydraulic
B66B1/04 (Hydraulic) appears on 10 US grants and 11 published applications in this corpus.
Search patents in B66B- Granted patents
- 10
- Published applications
- 11
- Assignees
- 10
- Inventors
- 25
- Latest grant
- 2 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Elevator compensation assembly monitor2 Apr 2024US 11,945,690 B2Otis Elevator Company
- Elevator compensation assembly monitor13 Dec 2022US 11,524,872 B2Otis Elevator Company
- Municipal water powered Shabbat transportation device22 Nov 2022US 11,505,432 B2
- Systems and methods for controlling working fluid in hydraulic elevators14 Dec 2021US 11,198,585 B2TK Elevator Corporation
- Automatic rope tension equalizer system and method12 Jan 2021US 10,889,470 B2Thyssenkrupp Elevator AG
- Elevator compensation assembly monitor16 Feb 2023US 2023/0052952 A1Otis Elevator Company
- System and method for hydraulic-pneumatic drive with energy storage for elevators26 May 2022US 2022/0162038 A1
- Elevator compensation assembly monitor28 Oct 2021US 2021/0331896 A1Otis Elevator Company
- Municipal water powered Shabbat transportation device13 May 2021US 2021/0139283 A1
- Systems and methods for controlling working fluid in hydraulic elevators20 Aug 2020US 2020/0262677 A1thyssenkrupp AG
Most cited
By later US patents
- Hoisting apparatus11US 4,703,835 AUpravlenie Po Montazhu, Demontazhu I Remontu Gornoshakhtnogo Oborudovania "Spetsshakhtomontazh" · 1987
- Smart pit for hydraulic elevators and other products using pressurized hydraulic fluids2US 10,669,128 B2W2W 777 Operations, LLC · 2020
- Systems and methods for controlling working fluid in hydraulic elevators1US 11,198,585 B2TK Elevator Corporation · 2021
- Elevator compensation assembly monitor1US 11,524,872 B2Otis Elevator Company · 2022