A43B 21/39
By rib groove
Official title: by rib groove
A43B21/39 (By rib groove) appears on 49 US grants and 57 published applications in this corpus.
Search patents in A43B- Granted patents
- 49
- Published applications
- 57
- Assignees
- 13
- Inventors
- 87
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 3 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 3 | 5 |
| 2012 | 2 | 2 |
| 2013 | 0 | 5 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 3 | 3 |
| 2017 | 3 | 2 |
| 2018 | 3 | 6 |
| 2019 | 2 | 4 |
| 2020 | 3 | 5 |
| 2021 | 3 | 2 |
| 2022 | 3 | 1 |
| 2023 | 1 | 3 |
| 2024 | 4 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fully convertible high heel-to-flat shoe14 Apr 2026US 12,599,195 B2Pashion Footwear, Inc.
- Adjustable high heel25 Feb 2025US 12,232,563 B1
- Device for attaching removable interchangeable heels for shoes with two springs31 Dec 2024US 12,178,286 B2
- 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
- Fully convertible high heel-to-flat shoe30 Jul 2026US 2026/0215540 A1Pashion Footwear, Inc.
- Convertible sole assembly and shoe30 Apr 2026US 2026/0114544 A1Lobo Holdings Pty Ltd
- Device for attaching removable interchangeable heels for shoes with two springs11 Jul 2024US 2024/0225194 A1
- Footwear apparatus for facilitating optimal gaiting26 Oct 2023US 2023/0337786 A1
- Modular Heel Footwear System4 May 2023US 2023/0137872 A1
Most cited
By later US patents