A47C 12/00
Step-stools
A47C12/00 (Step-stools) appears on 151 US grants and 148 published applications in this corpus.
Search patents in A47C- Granted patents
- 151
- Published applications
- 148
- Assignees
- 66
- Inventors
- 249
- Latest grant
- 6 Oct 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 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 3 |
| 2004 | 2 | 5 |
| 2005 | 5 | 5 |
| 2006 | 4 | 2 |
| 2007 | 3 | 5 |
| 2008 | 0 | 9 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 4 | 5 |
| 2012 | 1 | 1 |
| 2013 | 3 | 6 |
| 2014 | 3 | 2 |
| 2015 | 2 | 7 |
| 2016 | 4 | 4 |
| 2017 | 2 | 7 |
| 2018 | 4 | 7 |
| 2019 | 11 | 11 |
| 2020 | 8 | 9 |
| 2021 | 9 | 14 |
| 2022 | 7 | 16 |
| 2023 | 10 | 9 |
| 2024 | 6 | 3 |
| 2025 | 12 | 7 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conveniently storable children height-increasing stool6 Oct 2026US 12,751,554 B2
- Combination tool box and bench4 Aug 2026US 12,697,708 B1
- Convertible toddler chair and standing platform28 Jul 2026US 12,690,693 B2Artsana USA, Inc.
- Step stool14 Jul 2026US 12,677,956 B2
- Stool with vertically elongated handle16 Jun 2026US 12,653,359 B2
- Step stool with bracket-receiving extruded channel27 Aug 2026US 2026/0251015 A1
- Conveniently storable children height-increasing stool4 Jun 2026US 2026/0150980 A1
- Foldable And Storable Footstool28 May 2026US 2026/0144381 A1
- Foldable Step Stool16 Apr 2026US 2026/0101997 A1
- Kitchen helper folding step stool5 Feb 2026US 2026/0033640 A1
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