A47C 4/16
Of adjustable type
Official title: of adjustable type
A47C4/16 (Of adjustable type) appears on 20 US grants and 6 published applications in this corpus.
Search patents in A47C- Granted patents
- 20
- Published applications
- 6
- Assignees
- 10
- Inventors
- 23
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 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 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Folding crutch chair with a compact support device9 Sep 2025US 12,408,739 B2Step2Gold Co., Ltd.
- Foldable chair21 May 2024US 11,986,098 B1
- Folding chair17 May 2022US 11,330,906 B1Sport Diversions Inc.
- Swivel chair provided with length-adjustable leg tubes1 Feb 2022US 11,234,523 B2Zhejiang Pride Leisure Products Co., Ltd.
- Portable seat24 Mar 2020US 10,595,617 B2
- Folding crutch chair with a compact support device11 Jan 2024US 2024/0008606 A1Step2Gold Co., Ltd.
- Swivel Chair Provided with Length-Adjustable Leg Tubes22 Oct 2020US 2020/0329873 A1Zhejiang Pride Leisure Products Co., Ltd.
- Foldable chair having leg strengthening means7 Feb 2019US 2019/0039411 A1Spec Seats Technologies Inc.
- Portable Seat18 Oct 2018US 2018/0295973 A1
- Slimfold director chair with reclining backrest21 Jul 2016US 2016/0206101 A1GCI Outdoor, Inc.
Most cited
By later US patents
- Folding furniture30US 4,898,421 A1990
- Adjustable lawn chair with separate footrest24US 4,319,779 A1982
- Folding chair15US 4,674,793 A1987
- Multi-position, foldable armchair with adjustable backrest inclination and seat height15US 4,890,881 AGrosfillex Sarl · 1990
- Adjustable deck-chair with spring positioning means13US 5,464,268 AFAST S.p.A. · 1995