A43D 31/04
Machines for inserting shank stiffeners
A43D31/04 (Machines for inserting shank stiffeners) appears on 7 US grants and 1 published applications in this corpus.
Search patents in A43D- Granted patents
- 7
- Published applications
- 1
- Assignees
- 3
- Inventors
- 5
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Natural-cushioning, sock liner apparatus and method13 May 2025US 12,295,461 B2
- Techniques for stiffening shoe insoles4 Jun 1985US 4,520,522 ABush Universal, Inc.
- Techniques for stiffening shoe insoles14 Feb 1984US 4,430,767 ABush Universal, Inc.
- Method for stiffening shoe insoles28 Oct 1980US 4,229,851 ABush Universal, Inc.
- Method and apparatus for stiffening shoe insoles17 Jul 1979US 4,161,048 ABush Universal, Inc.
Most cited
By later US patents
- Techniques for stiffening shoe insoles7US 4,430,767 ABush Universal, Inc. · 1984
- Apparatus for stiffening shoe insoles2US 4,122,573 ABush Universal, Inc. · 1978
- Techniques for stiffening shoe insoles2US 4,520,522 ABush Universal, Inc. · 1985
- Method and apparatus for stiffening shoe insoles1US 4,161,048 ABush Universal, Inc. · 1979
- Method for stiffening shoe insoles1US 4,229,851 ABush Universal, Inc. · 1980