A47C 3/40
Telescopic guides
A47C3/40 (Telescopic guides) appears on 86 US grants and 78 published applications in this corpus.
Search patents in A47C- Granted patents
- 86
- Published applications
- 78
- Assignees
- 53
- Inventors
- 159
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 6 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 3 |
| 2017 | 8 | 6 |
| 2018 | 9 | 9 |
| 2019 | 10 | 6 |
| 2020 | 6 | 13 |
| 2021 | 5 | 7 |
| 2022 | 8 | 4 |
| 2023 | 8 | 3 |
| 2024 | 2 | 3 |
| 2025 | 5 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bath chair6 Oct 2026US 12,751,583 B2
- Non-slip plastic chair and non-slip detection device therefor21 Jul 2026US 12,685,392 B1Yongkang Beiqin Industry & Trade Co., Ltd
- Adjustable leg for furniture23 Dec 2025US 12,501,996 B2Resero IP Limited
- Telescopic stool16 Dec 2025US 12,495,906 B2Ningbo Tenghao Outdoor Co., Ltd.
- Lift mechanism self-locking push rod15 Jul 2025US 12,357,084 B2Ningbo Science Full Motor Company Limited
- Height adjustable battery operated chair3 Sep 2026US 2026/0256289 A1Comfortel Furniture Pty Ltd
- Omni-Directional Flexible Swivel Chair7 May 2026US 2026/0123754 A1Amtab Manufacturing Corporation
- Foldable height-increasing stool with backrest16 Apr 2026US 2026/0101996 A1JinHua ShineTree Household Products Co., Ltd.
- Bath chair16 Apr 2026US 2026/0102028 A1Xinzhiyuan Medical Equipment (Guangdong) Co., Ltd.
- Swivel chair device having ascending and descending function1 Jan 2026US 2026/0000201 A1
Most cited
By later US patents
- Height adjustable seat tube with oil storage unit128US 9,073,592 B22015
- Lounge chair71US 5,246,265 A1993
- Collapsible seat51US 6,467,843 B1EZ Seat, Inc. · 2002
- Height adjustable pedestal for chairs and tables40US 6,182,583 B22001
- Chair having legs that are adjustable independently and in a coordinated manner40US 8,459,741 B22013