A43B 21/37
By hook-shaped or bent attaching means
Official title: by hook-shaped or bent attaching means
A43B21/37 (By hook-shaped or bent attaching means) appears on 30 US grants and 34 published applications in this corpus.
Search patents in A43B- Granted patents
- 30
- Published applications
- 34
- Assignees
- 8
- Inventors
- 31
- Latest grant
- 14 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 4 |
| 2006 | 3 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 3 | 6 |
| 2019 | 1 | 2 |
| 2020 | 3 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Shoe with a high heel to low heel conversion14 May 2024US 11,980,250 B2High-Low Heel, LLC
- Shoe assembly26 Apr 2022US 11,311,078 B2Y-Heels Limited
- Convertible shoe having a locking actuator19 Apr 2022US 11,304,478 B2High-Low Heel, LLC
- Shoe with a high heel to low heel conversion6 Apr 2021US 10,966,486 B2High-Low Heel, LLC
- Sole part23 Mar 2021US 10,952,500 B2Flexheel GmbH
- Shoe with a high heel to low heel conversion23 Dec 2021US 2021/0392997 A1High-Low Heel, LLC
- Convertible shoe having a locking actuator21 Oct 2021US 2021/0321719 A1High-Low Heel, LLC
- Shoe assembly3 Dec 2020US 2020/0375314 A1Y-Heels Limited
- Shoe with a high heel to low heel conversion23 Jul 2020US 2020/0229541 A1High-Low Heel, LLC
- Transformable Shoe21 May 2020US 2020/0154828 A1
Most cited
By later US patents
- Athletic shoe with improved heel structure63US 5,970,628 AAkeva L.L.C. · 1999
- Athletic shoe with improved heel structure61US 5,806,210 AAkeva L.L.C. · 1998
- Sports shoes having exchangeable heels44US 5,373,649 A1994
- Athletic shoe with improved heel structure41US 6,662,471 B2Akeva L.L.C. · 2003
- Combination shoe that can be transformed into a shoe with different heel heights31US 10,524,532 B22020