B66B 23/147
End portions, i.e. means for changing the direction of the carrying surface
Official title: {End portions, i.e. means for changing the direction of the carrying surface}
B66B23/147 (End portions, i.e. means for changing the direction of the carrying surface) appears on 28 US grants and 18 published applications in this corpus.
Search patents in B66B- Granted patents
- 28
- Published applications
- 18
- Assignees
- 13
- Inventors
- 55
- Latest grant
- 31 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 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 | 1 | 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 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 2 | 5 |
| 2016 | 2 | 0 |
| 2017 | 2 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 3 |
| 2020 | 3 | 0 |
| 2021 | 1 | 1 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Moving staircase with a curved conveyor passage13US 4,739,870 AMitsubishi Denki Kabushiki Kaisha · 1988
- Transportation apparatus11US 4,130,192 AWestinghouse Electric Corp. · 1978
- Upper rail for passenger conveyor9US 6,016,902 ALG Industrial Systems Co., Ltd. · 2000
- Passenger conveyor device8US 7,159,705 B2Kabushiki Kaisha Toshiba · 2007
- Passenger conveyor system7US 6,234,295 B1Hitachi Building Systems Co., Ltd. · 2001