A43D 3/1441
Spreading the width of a shoe, i.e. laterally expandable
Official title: {spreading the width of a shoe, i.e. laterally expandable}
A43D3/1441 (Spreading the width of a shoe, i.e. laterally expandable) appears on 26 US grants and 29 published applications in this corpus.
Search patents in A43D- Granted patents
- 26
- Published applications
- 29
- Assignees
- 11
- Inventors
- 48
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 3 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 3 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air bladder for shoe6 Jan 2026US 12,514,339 B2Prssv LLC
- Shoe tree device6 May 2025US 12,292,064 B2
- Footwear stretcher apparatus22 Oct 2024US 12,121,111 B1Zap-Rams Corporation
- Last8 Oct 2024US 12,108,845 B2Asics Corporation
- Shoe insert23 Mar 2021US 10,952,507 B2Avery Dennison Retail Information Services LLC
Most cited
By later US patents
- Inflatable member37US 8,578,534 B2NIKE, Inc. · 2013
- Custom fit system with adjustable last and method for custom fitting athletic shoes25US 7,287,293 B2NIKE, Inc. · 2007
- Custom fit system with adjustable last and method for custom fitting athletic shoes25US 7,992,243 B2NIKE, Inc. · 2011
- Inflatable stuffing for footwear18US 6,971,135 B2World Packaging Inc. · 2005
- Device for enlarging a region of a boot or shoe12US 5,875,504 A1999