A43B 21/48
By press-buttons
Official title: by press-buttons
A43B21/48 (By press-buttons) appears on 31 US grants and 37 published applications in this corpus.
Search patents in A43B- Granted patents
- 31
- Published applications
- 37
- Assignees
- 12
- Inventors
- 52
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 4 |
| 2013 | 0 | 4 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 4 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 3 | 3 |
| 2021 | 1 | 4 |
| 2022 | 3 | 1 |
| 2023 | 2 | 3 |
| 2024 | 4 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Height adjustable shoe heel29 Apr 2025US 12,285,075 B2Trillytech S.r.l.
- Convertible high heel and flat shoe and method of use23 Jul 2024US 12,042,010 B2Viceversa Lab, Inc.
- Interchangeable heel device for a shoe and method25 Jun 2024US 12,016,429 B2
- Shoe with a high heel to low heel conversion14 May 2024US 11,980,250 B2High-Low Heel, LLC
- Footwear apparatus for facilitating optimal gaiting16 Apr 2024US 11,957,211 B2
- Convertible sole assembly and shoe30 Apr 2026US 2026/0114544 A1Lobo Holdings Pty Ltd
- Footwear apparatus for facilitating optimal gaiting26 Oct 2023US 2023/0337786 A1
- Height adjustable shoe heel20 Jul 2023US 2023/0225457 A1Trillytech S.r.l.
- An Interchangeable Heel Device for a Shoe and Method4 May 2023US 2023/0138799 A1
- Convertible high heel and flat shoe and method of use21 Apr 2022US 2022/0117358 A1Viceversa Lab, Inc.
Most cited
By later US patents
- Replaceable heel construction for shoes73US 4,214,384 A1980
- Collapsible shoe and methods for making and using same42US 7,578,075 B12009
- Shoe with detachable heel structure33US 5,419,060 A1995
- Combination shoe that can be transformed into a shoe with different heel heights31US 10,524,532 B22020
- Adjustable heel assembly and shoe including the same27US 6,021,586 A2000