A47C 12/02
Requiring conversion between the step and seat functions
Official title: requiring conversion between the step and seat functions
A47C12/02 (Requiring conversion between the step and seat functions) appears on 66 US grants and 36 published applications in this corpus.
Search patents in A47C- Granted patents
- 66
- Published applications
- 36
- Assignees
- 27
- Inventors
- 100
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 3 |
| 2004 | 2 | 4 |
| 2005 | 4 | 2 |
| 2006 | 3 | 0 |
| 2007 | 1 | 4 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 3 |
| 2021 | 2 | 4 |
| 2022 | 2 | 5 |
| 2023 | 5 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Convertible toddler chair and standing platform28 Jul 2026US 12,690,693 B2Artsana USA, Inc.
- Toileting device for children19 Aug 2025US 12,390,060 B1Taizhou Huangyan Yujin E-commerce Co., Ltd
- Folding toilet step stool27 Feb 2024US 11,910,966 B2Xiamen Baby Pretty Products Co., Ltd.
- System, apparatus, and method for a convertible child high-chair and step stool26 Dec 2023US 11,849,849 B2Graco Children’s Products Inc.
- Convertible highchair15 Aug 2023US 11,723,477 B2Kids2, Inc.
- Step stool with bracket-receiving extruded channel27 Aug 2026US 2026/0251015 A1
- Convertible toddler chair and standing platform13 Feb 2025US 2025/0049228 A1Artsana USA, Inc.
- System, apparatus, and method for a convertible child high-chair and step stool11 May 2023US 2023/0146888 A1Graco Children’s Products Inc.
- Cabinet creeper29 Dec 2022US 2022/0410365 A1
- System, apparatus, and method for a convertible child high-chair and step stool18 Aug 2022US 2022/0257022 A1Graco Children’s Products Inc.
Most cited
By later US patents
- Collapsible support110US 6,827,028 B12004
- Combination step-stool-seat70US 5,094,505 APlayskool Baby, Inc. · 1992
- Portable hinged riser50US 5,357,876 AWenger Corporation · 1994
- Multiple-purpose work unit42US 4,276,955 ATekron Licensing B.V. · 1981
- Portable child's stool with storage compartment39US 6,568,506 B12003