A21C 9/066
Using two separate sheets or pieces of dough with filling in between
Official title: {using two separate sheets or pieces of dough with filling in between, e.g. crimped at their edges; Ravioli-making machines (A21C11/163 takes precedence)}
A21C9/066 (Using two separate sheets or pieces of dough with filling in between) appears on 59 US grants and 43 published applications in this corpus.
Search patents in A21C- Granted patents
- 59
- Published applications
- 43
- Assignees
- 36
- Inventors
- 107
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 5 |
| 2020 | 2 | 5 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and process for forming stuffed pasta products starting from a sheet of dough14 Jul 2026US 12,677,837 B2Pavan S.P.A.
- Wrap off-cuts cutting and returning apparatus in gyoza forming machine7 Jul 2026US 12,672,664 B2Tosei Kogyo Kabushiki Kaisha
- Machine for making filled pasta26 Mar 2024US 11,937,607 B2Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A.
- Machine for making filled pasta28 Nov 2023US 11,825,852 B2Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A.
- Sandwiching device16 Aug 2022US 11,412,742 B2PBJLA Holdings LLC
- Sandwich crimper1 Oct 2026US 2026/0294175 A1Crimpit Group Ltd
- Machine for making filled pasta3 Apr 2025US 2025/0107535 A1Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A.
- Device and process for forming stuffed pasta products starting from a sheet of dough4 Apr 2024US 2024/0108013 A1Pavan S.P.A.
- Wrap off-cuts cutting and returning apparatus in gyoza forming machine29 Jun 2023US 2023/0200428 A1Tosei Kogyo Kabushiki Kaisha
- Recurring Action Tool/Machine Tool for the production of a laminated dough product11 Aug 2022US 2022/0248692 A1
Most cited
By later US patents
- Food press forms28US 4,516,923 A1985
- Process for making a food product of the pizza type, in the shape of a pocket24US 5,780,082 AAlda Services S.A. · 1998
- Apparatus for making dough envelopes containing filling22US 4,382,768 A1983
- Machine for making ravioli having an improved fill mechanism20US 4,848,218 A1989
- Method for forming a filled dough product20US 6,203,828 B1Rich-SeaPak Corporation · 2001