A43B 21/28
Pneumatic heels filled with a compressible fluid
Official title: Pneumatic heels {filled with a compressible fluid, e.g. air, gas}
A43B21/28 (Pneumatic heels filled with a compressible fluid) appears on 232 US grants and 250 published applications in this corpus.
Search patents in A43B- Granted patents
- 232
- Published applications
- 250
- Assignees
- 30
- Inventors
- 222
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 5 |
| 2003 | 6 | 3 |
| 2004 | 1 | 8 |
| 2005 | 2 | 16 |
| 2006 | 13 | 9 |
| 2007 | 4 | 8 |
| 2008 | 6 | 12 |
| 2009 | 8 | 10 |
| 2010 | 9 | 12 |
| 2011 | 8 | 8 |
| 2012 | 5 | 8 |
| 2013 | 3 | 3 |
| 2014 | 10 | 5 |
| 2015 | 3 | 5 |
| 2016 | 12 | 6 |
| 2017 | 5 | 5 |
| 2018 | 6 | 12 |
| 2019 | 4 | 10 |
| 2020 | 10 | 18 |
| 2021 | 10 | 13 |
| 2022 | 17 | 14 |
| 2023 | 16 | 15 |
| 2024 | 21 | 28 |
| 2025 | 11 | 7 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Article of footwear with an adaptive fluid system8 Sep 2026US 12,727,645 B2NIKE, Inc.
- Article of footwear including a heel stabilizing element1 Sep 2026US 12,721,403 B2NIKE, Inc.
- Footwear heel spring device25 Aug 2026US 12,714,196 B2NIKE, Inc.
- Article of footwear including a heel stabilizing element23 Jun 2026US 12,660,883 B2NIKE, Inc.
- Systems and methods for manufacturing articles of footwear including a sole structure9 Jun 2026US 12,648,619 B2NIKE, Inc.
- Footwear heel spring device8 Oct 2026US 2026/0305765 A1NIKE, Inc.
- Article of footwear including a heel stabilizing element17 Sep 2026US 2026/0272116 A1NIKE, Inc.
- Sole structure for an article of footwear2 Apr 2026US 2026/0090606 A1NIKE, Inc.
- Bladders, Footwear Uppers Including Bladders, and Articles of Footwear Including Bladders in the Upper19 Mar 2026US 2026/0076452 A1NIKE, Inc.
- Footwear heel spring device12 Mar 2026US 2026/0068992 A1NIKE, Inc.
Most cited
By later US patents
- Sports shoe incorporating an elastic insert in the heel283US 5,092,060 A1992
- Cushioning device for a footwear sole and method for making the same262US 5,979,078 ANIKE, Inc. · 1999
- Athletic shoe with rearfoot strike zone219US 5,625,964 ANIKE, Inc. · 1997
- Athletic shoe with rearfoot strike zone206US 5,425,184 ANIKE, Inc. · 1995
- Sports shoe incorporating an elastic insert in the heel205US 5,369,896 AFila Sport S.p.A. · 1994