B28B 13/022
Feeding several successive layers, optionally of different materials
Official title: {Feeding several successive layers, optionally of different materials}
B28B13/022 (Feeding several successive layers, optionally of different materials) appears on 133 US grants and 140 published applications in this corpus.
Search patents in B28B- Granted patents
- 133
- Published applications
- 140
- Assignees
- 87
- Inventors
- 256
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 2 |
| 2003 | 4 | 2 |
| 2004 | 1 | 3 |
| 2005 | 3 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 6 |
| 2008 | 1 | 4 |
| 2009 | 1 | 6 |
| 2010 | 2 | 3 |
| 2011 | 2 | 2 |
| 2012 | 4 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 1 |
| 2016 | 4 | 9 |
| 2017 | 6 | 3 |
| 2018 | 5 | 2 |
| 2019 | 6 | 10 |
| 2020 | 4 | 9 |
| 2021 | 8 | 14 |
| 2022 | 11 | 13 |
| 2023 | 7 | 11 |
| 2024 | 8 | 12 |
| 2025 | 17 | 10 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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