A43D 3/14
Stretching or spreading lasts
Official title: Stretching or spreading lasts; Boot-trees; Fillers; Devices for maintaining the shape of the shoe (drying of footwear A47L23/20)
A43D3/14 (Stretching or spreading lasts) appears on 153 US grants and 141 published applications in this corpus.
Search patents in A43D- Granted patents
- 153
- Published applications
- 141
- Assignees
- 66
- Inventors
- 282
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 8 | 2 |
| 2002 | 3 | 4 |
| 2003 | 5 | 3 |
| 2004 | 1 | 3 |
| 2005 | 4 | 6 |
| 2006 | 1 | 6 |
| 2007 | 1 | 2 |
| 2008 | 2 | 3 |
| 2009 | 0 | 3 |
| 2010 | 1 | 5 |
| 2011 | 7 | 8 |
| 2012 | 3 | 4 |
| 2013 | 4 | 3 |
| 2014 | 4 | 7 |
| 2015 | 2 | 3 |
| 2016 | 4 | 6 |
| 2017 | 4 | 13 |
| 2018 | 2 | 6 |
| 2019 | 5 | 6 |
| 2020 | 4 | 6 |
| 2021 | 5 | 9 |
| 2022 | 5 | 11 |
| 2023 | 9 | 9 |
| 2024 | 8 | 8 |
| 2025 | 5 | 3 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Shoe crease abatement system30 Jun 2026US 12,667,168 B1
- Shoe care apparatus16 Jun 2026US 12,653,372 B2Samsung Electronics Co., Ltd.
- Footwear last including size adjustment capabilities19 May 2026US 12,628,915 B2NIKE, Inc.
- Shoe care device6 Jan 2026US 12,514,338 B2LG Electronics Inc.
- Air bladder for shoe6 Jan 2026US 12,514,339 B2Prssv LLC
- Adaptive forefoot shoe support last16 Jul 2026US 2026/0198655 A1SHAPE REGIME ApS
- Custom shoe former26 Feb 2026US 2026/0053235 A1
- Shoe care apparatus12 Jun 2025US 2025/0185878 A1Samsung Electronics Co., Ltd.
- Shoe Crease Remover Insert20 Mar 2025US 2025/0089854 A1
- Footwear Last Including Size Adjustment Capabilities16 Jan 2025US 2025/0017323 A1NIKE, Inc.
Most cited
By later US patents