A21C 9/06
Apparatus for filling pieces of dough such as doughnuts
Official title: Apparatus for filling pieces of dough such as doughnuts {(A21C11/163 takes precedence; apparatus for filling baked articles A21C15/007)}
A21C9/06 (Apparatus for filling pieces of dough such as doughnuts) appears on 264 US grants and 167 published applications in this corpus.
Search patents in A21C- Granted patents
- 264
- Published applications
- 167
- Assignees
- 120
- Inventors
- 443
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 12 | 0 |
| 1987 | 18 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 2 |
| 2003 | 3 | 8 |
| 2004 | 4 | 7 |
| 2005 | 4 | 7 |
| 2006 | 2 | 9 |
| 2007 | 0 | 1 |
| 2008 | 1 | 8 |
| 2009 | 5 | 2 |
| 2010 | 2 | 4 |
| 2011 | 0 | 4 |
| 2012 | 0 | 4 |
| 2013 | 8 | 2 |
| 2014 | 1 | 7 |
| 2015 | 5 | 13 |
| 2016 | 4 | 6 |
| 2017 | 3 | 6 |
| 2018 | 6 | 9 |
| 2019 | 7 | 9 |
| 2020 | 2 | 16 |
| 2021 | 5 | 7 |
| 2022 | 6 | 6 |
| 2023 | 7 | 9 |
| 2024 | 9 | 11 |
| 2025 | 5 | 5 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lower folding device for forming dumplings1 Sep 2026US 12,721,351 B2Cj Cheiljedang Corporation
- 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
- Food forming method and forming mechanism5 May 2026US 12,616,210 B2
- Automatic rotary empanada machine5 May 2026US 12,616,211 B1
- Spring roll skin formation module and spring roll manufacturing apparatus comprising same8 Oct 2026US 2026/0305623 A1Cj Cheiljedang Corporation
- Sandwich crimper1 Oct 2026US 2026/0294175 A1Crimpit Group Ltd
- Belt conveyor provided with a rolling device for transporting and rolling food products30 Apr 2026US 2026/0114491 A1Elcat, Inc.
- Food forming apparatus12 Mar 2026US 2026/0068920 A1Anko Food Machine Co., Ltd.
- Dumpling stuffing filling device and automatic production system including same5 Jun 2025US 2025/0176604 A1Cj Cheiljedang Corporation
Most cited
By later US patents
- Method for extrusion of baked goods57US 4,888,192 ANabisco Brands, Inc. · 1989
- Apparatus for producing foodstuff products52US 4,084,493 A1978
- Methods for making filled extruded food products47US 4,618,499 AUnited Biscuits (UK) Limited · 1986
- Triple co-extruder43US 4,715,803 ANabisco Brands, Inc. · 1987
- Rolled food item fabricating apparatus and methods40US 5,205,106 AGeneral Mills, Inc. · 1993