A43B 21/36
Heels: characterised by their attachment
Official title: characterised by their attachment; Securing devices for the attaching means (combined with soles A43B13/28)
A43B21/36 (Heels: characterised by their attachment) appears on 307 US grants and 364 published applications in this corpus.
Search patents in A43B- Granted patents
- 307
- Published applications
- 364
- Assignees
- 108
- Inventors
- 524
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 3 |
| 2002 | 1 | 8 |
| 2003 | 7 | 8 |
| 2004 | 3 | 15 |
| 2005 | 7 | 7 |
| 2006 | 13 | 14 |
| 2007 | 6 | 10 |
| 2008 | 2 | 16 |
| 2009 | 5 | 12 |
| 2010 | 5 | 17 |
| 2011 | 9 | 13 |
| 2012 | 15 | 17 |
| 2013 | 8 | 20 |
| 2014 | 6 | 16 |
| 2015 | 11 | 17 |
| 2016 | 14 | 18 |
| 2017 | 8 | 19 |
| 2018 | 11 | 24 |
| 2019 | 12 | 15 |
| 2020 | 14 | 20 |
| 2021 | 12 | 15 |
| 2022 | 12 | 12 |
| 2023 | 9 | 15 |
| 2024 | 16 | 16 |
| 2025 | 13 | 7 |
| 2026 | 14 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A43B 21/42Heels with replaceable or adjustable parts183
- A43B 21/52Interchangeable heel parts without special attachments50
- A43B 21/39By rib groove49
- A43B 21/47By resilient means43
- A43B 21/38By screws only37
- A43B 21/37By hook-shaped or bent attaching means30
- A43B 21/46By bolts23
- A43B 21/51With keyhole-shaped opening and pin19
Recent patents
- Rapid-entry shoe15 Sep 2026US 12,733,708 B2Fast IP, LLC
- Shoe with improved heel support8 Sep 2026US 12,727,647 B2adidas AG
- Heel tip cushion with anchoring mechanism inside heel stem11 Aug 2026US 12,702,198 B2
- Footwear4 Aug 2026US 12,696,957 B2
- Sole structure for a deconstructable footwear article19 May 2026US 12,628,909 B2NIKE, Inc.
- Fully convertible high heel-to-flat shoe30 Jul 2026US 2026/0215540 A1Pashion Footwear, Inc.
- Modular insert system for shoe soles16 Jul 2026US 2026/0198649 A1
- Systems and methods for customizing articles of footwear and providing digital or metaverse capabilities25 Jun 2026US 2026/0174174 A1NIKE, Inc.
- Heel cup assembly and method for tuning heel cup assembly for hands-free footware25 Jun 2026US 2026/0174187 A1Hands-Free Inc.
- Footwear or Footwear Accessory for Traversing a Range of Different Terrains14 May 2026US 2026/0130467 A1Mudder Boots and Equipment LLC
Most cited
By later US patents
- Shoe sole with removal insert162US 6,023,859 ABata Limited · 2000
- Shoe with circular pad in the sole to relieve twisting stresses on the ankle160US 6,035,559 ARotasole Pty. Ltd. · 2000
- Sole construction for footwear156US 5,628,128 AAmerican Sporting Goods Corporation · 1997
- Shoe sole with removal insert116US 5,799,417 ABata Limited · 1998
- Sole construction for footwear111US 5,797,199 AAmerican Sporting Goods Corporation · 1998