A43B 23/08
Heel stiffeners
Official title: Heel stiffeners; Toe stiffeners
A43B23/08 (Heel stiffeners) appears on 673 US grants and 816 published applications in this corpus.
Search patents in A43B- Granted patents
- 673
- Published applications
- 816
- Assignees
- 232
- Inventors
- 1,095
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 8 |
| 2002 | 6 | 10 |
| 2003 | 15 | 19 |
| 2004 | 4 | 16 |
| 2005 | 10 | 17 |
| 2006 | 9 | 18 |
| 2007 | 13 | 20 |
| 2008 | 8 | 19 |
| 2009 | 7 | 14 |
| 2010 | 12 | 19 |
| 2011 | 10 | 15 |
| 2012 | 13 | 30 |
| 2013 | 9 | 16 |
| 2014 | 12 | 42 |
| 2015 | 13 | 31 |
| 2016 | 20 | 34 |
| 2017 | 32 | 53 |
| 2018 | 42 | 51 |
| 2019 | 29 | 46 |
| 2020 | 36 | 54 |
| 2021 | 28 | 39 |
| 2022 | 32 | 54 |
| 2023 | 47 | 56 |
| 2024 | 50 | 54 |
| 2025 | 64 | 54 |
| 2026 | 31 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Footwear heel counter for easier foot entry or removal29 Sep 2026US 12,745,824 B2Skechers U.S. A., Inc. II
- Article of footwear for skating on ice22 Sep 2026US 12,740,612 B2Warrior Sports, Inc.
- Footwear heel spring device25 Aug 2026US 12,714,196 B2NIKE, Inc.
- Footwear heel counter25 Aug 2026US 12,714,198 B2Walmart Apollo, LLC
- Shoe counter assembly and shoe25 Aug 2026US 12,714,202 B2Shenzhen Starlink Network Technology Co., Ltd
- Footwear heel spring device8 Oct 2026US 2026/0305765 A1NIKE, Inc.
- Protective device for attaching to a shoe17 Sep 2026US 2026/0272119 A1B & B GmbH
- Shoe upper with integrated construction27 Aug 2026US 2026/0248241 A1Skechers U.S. A., Inc. II
- Shoe, in particular sports shoe30 Jul 2026US 2026/0215530 A1Decathlon
- Article of footwear with flexible sole structure30 Jul 2026US 2026/0215534 A1NIKE, Inc.
Most cited
By later US patents
- Article of footwear having a textile upper357US 7,347,011 B2NIKE, Inc. · 2008
- Miniature universal pump and valve for inflatable liners287US 5,846,063 A1998
- Footwear with internal reinforcement structure266US 6,170,175 B22001
- Molding material containing reinforcing fibers, method for producing molded articles using same and safety shoe toe cap203US 6,333,105 B1YKK Corporation · 2001
- Sport shoe and support system193US 5,408,761 AA. D. One Sports, Inc. · 1995