A43B 21/42
Heels with replaceable or adjustable parts
Official title: Heels with replaceable or adjustable parts {, e.g. top lift}
A43B21/42 (Heels with replaceable or adjustable parts) appears on 183 US grants and 240 published applications in this corpus.
Search patents in A43B- Granted patents
- 183
- Published applications
- 240
- Assignees
- 71
- Inventors
- 323
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 0 | 6 |
| 2003 | 4 | 6 |
| 2004 | 1 | 14 |
| 2005 | 5 | 4 |
| 2006 | 12 | 9 |
| 2007 | 3 | 7 |
| 2008 | 1 | 12 |
| 2009 | 3 | 8 |
| 2010 | 3 | 14 |
| 2011 | 4 | 7 |
| 2012 | 8 | 9 |
| 2013 | 7 | 16 |
| 2014 | 2 | 11 |
| 2015 | 6 | 13 |
| 2016 | 9 | 12 |
| 2017 | 4 | 9 |
| 2018 | 9 | 17 |
| 2019 | 6 | 9 |
| 2020 | 12 | 11 |
| 2021 | 4 | 9 |
| 2022 | 8 | 8 |
| 2023 | 8 | 11 |
| 2024 | 8 | 9 |
| 2025 | 10 | 3 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rapid-entry shoe15 Sep 2026US 12,733,708 B2Fast IP, LLC
- Heel tip cushion with anchoring mechanism inside heel stem11 Aug 2026US 12,702,198 B2
- Modular heel system19 May 2026US 12,628,910 B1
- Fully convertible high heel-to-flat shoe14 Apr 2026US 12,599,195 B2Pashion Footwear, Inc.
- Transforming shoe sole31 Mar 2026US 12,588,731 B1
- 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
- Convertible sole assembly and shoe30 Apr 2026US 2026/0114544 A1Lobo Holdings Pty Ltd
- Changeable top lift heel system30 Apr 2026US 2026/0114547 A1
- Heel tip cushion with anchoring mechanism inside heel stem30 Oct 2025US 2025/0331607 A1
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
- Shoe sole with removal insert116US 5,799,417 ABata Limited · 1998
- Device for activating a lace-up traction device for a shoe104US 6,643,954 B22003
- Athletic shoe with improved sole103US 5,560,126 AAkeva L.L.C. · 1996