A47C 20/047
By friction locking means
Official title: {by friction locking means}
A47C20/047 (By friction locking means) appears on 14 US grants and 3 published applications in this corpus.
Search patents in A47C- Granted patents
- 14
- Published applications
- 3
- Assignees
- 4
- Inventors
- 14
- Latest grant
- 24 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Head support device10 Oct 2017US 9,782,317 B2
- Adjustable bed8 Oct 2013US 8,549,686 B2Team Worldwide Corporation
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- Structure of back cushion for leisure16 Mar 1999US 5,882,079 AFormosa Saint Jose Corp.
Most cited
By later US patents
- Adjustable bed63US 5,105,486 AJoerns Healthcare Inc. · 1992
- Structure of back cushion for leisure30US 5,882,079 AFormosa Saint Jose Corp. · 1999
- Piece of furniture for sitting and lying26US 4,277,858 A1981
- Adjustable bed with side rail20US 5,160,010 AJoerns Healthcare Inc. · 1992
- Padded face rest with double pivoting adjustment mechanism17US 6,718,582 B12004