A61F 13/4704
Having preferential bending zones
Official title: {having preferential bending zones, e.g. fold lines or grooves}
A61F13/4704 (Having preferential bending zones) appears on 276 US grants and 364 published applications in this corpus.
Search patents in A61F- Granted patents
- 276
- Published applications
- 364
- Assignees
- 55
- Inventors
- 508
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 9 | 15 |
| 2003 | 4 | 12 |
| 2004 | 8 | 27 |
| 2005 | 8 | 11 |
| 2006 | 8 | 18 |
| 2007 | 7 | 13 |
| 2008 | 3 | 8 |
| 2009 | 9 | 7 |
| 2010 | 10 | 16 |
| 2011 | 6 | 13 |
| 2012 | 12 | 9 |
| 2013 | 13 | 13 |
| 2014 | 13 | 15 |
| 2015 | 18 | 35 |
| 2016 | 13 | 9 |
| 2017 | 12 | 16 |
| 2018 | 9 | 18 |
| 2019 | 17 | 19 |
| 2020 | 8 | 32 |
| 2021 | 11 | 11 |
| 2022 | 14 | 11 |
| 2023 | 14 | 5 |
| 2024 | 10 | 17 |
| 2025 | 10 | 10 |
| 2026 | 8 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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