A43B 21/20
Plastics
Official title: plastics
A43B21/20 (Plastics) appears on 13 US grants and 30 published applications in this corpus.
Search patents in A43B- Granted patents
- 13
- Published applications
- 30
- Assignees
- 20
- Inventors
- 49
- Latest grant
- 13 May 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 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 4 |
| 2019 | 0 | 3 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Article of footwear with heel cushion13 May 2025US 12,295,451 B2Fuerst Group, Inc.
- Interchangeable heel device for a shoe and method25 Jun 2024US 12,016,429 B2
- Knitted components having self supportive heel28 May 2024US 11,992,090 B2NIKE, Inc.
- Shoe having an interchangeable heel29 Aug 2023US 11,737,517 B2
- Wireless microphone system for an article of footwear25 Oct 2022US 11,478,037 B2MSG Entertainment Group, LLC
- Shoe, in particular sports shoe30 Jul 2026US 2026/0215530 A1Decathlon
- Article of Footwear with Heel Cushion7 Aug 2025US 2025/0248481 A1Fuerst Group, Inc.
- A height adjustable modular heel13 Mar 2025US 2025/0082066 A1Grace & Gait Pte Ltd
- Knitted components having self supportive heel19 Sep 2024US 2024/0306773 A1NIKE, Inc.
- Article including recycled thermoplastic material9 Nov 2023US 2023/0354947 A1
Most cited
By later US patents
- Plastic heels of shoes and boots3US 4,928,403 ARoman Shoji Co., Ltd. · 1990
- Shoe having an interchangeable heel2US 11,737,517 B22023
- Plastic heels of shoes and boots2US 4,962,555 A1990
- Fiber reinforced resin lift for shoes2US 5,603,170 AHiro International Co., Ltd. · 1997
- Shoe bottom repair agent and shoe bottom repair set utilizing the same2US 8,082,616 B2Sunstar Engineering Inc. · 2011