E04H 6/20
Characterised by use of conveyor chains or rotatable rollers for horizontal transport
Official title: characterised by use of conveyor chains or rotatable rollers for horizontal transport
E04H6/20 (Characterised by use of conveyor chains or rotatable rollers for horizontal transport) appears on 11 US grants and 7 published applications in this corpus.
Search patents in E04H- Granted patents
- 11
- Published applications
- 7
- Assignees
- 4
- Inventors
- 18
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Automated parking floor conveyor systems1 Jul 2025US 12,345,071 B2Otomatik Otopark Sistemleri San. Ve Tic. A.S.
- Powered stereo garage without cable on parking space7 May 2024US 11,976,492 B2Hangzhou Dazhong Boao Technology Co., Ltd.
- Mechanical parking garage6 Oct 2020US 10,794,077 B1
- Automatic parking system with transverse arrangement25 Aug 2020US 10,753,113 B2Guangdong Weichuang Wuyang Intelligent Equipment Co., Ltd.
- Vehicles parking in multiple levels and method for managing maneuvering5 Mar 2019US 10,221,585 B2
- Powered stereo garage without cable on parking space12 Oct 2023US 2023/0323696 A1Hangzhou Dazhong Boao Technology Co., Ltd.
- Automated parking floor conveyor systems3 Aug 2023US 2023/0243173 A1Otomatik Otopark Sistemleri San. Ve Tic. A.S.
- Mechanism of "electric fuel" and electric power stations facility30 Jul 2020US 2020/0240166 A1
- Automatic parking system with transverse arrangement21 Feb 2019US 2019/0055746 A1Guangdong Weichuang Wuyang Intelligent Equipment Co., Ltd.
- Vehicles parking in multiple levels and method for managing maneuvering1 Sep 2016US 2016/0251867 A1
Most cited
By later US patents
- Automatic storage and retrieval system for motor vehicles and the like48US 3,984,012 A1976
- Multisory parking space3US 5,203,660 ATakenaka Corporation · 1993
- Mechanical parking garage2US 10,794,077 B12020
- Multistory parking space2US 5,083,891 ATakenaka Corporation · 1992
- Automatic parking lot2US 8,602,709 B22013