A21C 9/04
Apparatus for spreading granular material on, or sweeping or coating the surfaces
Official title: Apparatus for spreading granular material on, or sweeping or coating the surfaces of, pieces or sheets of dough {(coating baked articles A21C15/002)}
A21C9/04 (Apparatus for spreading granular material on, or sweeping or coating the surfaces) appears on 308 US grants and 218 published applications in this corpus.
Search patents in A21C- Granted patents
- 308
- Published applications
- 218
- Assignees
- 159
- Inventors
- 544
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 3 |
| 2002 | 5 | 9 |
| 2003 | 10 | 8 |
| 2004 | 5 | 9 |
| 2005 | 5 | 5 |
| 2006 | 2 | 8 |
| 2007 | 3 | 10 |
| 2008 | 1 | 3 |
| 2009 | 1 | 7 |
| 2010 | 5 | 12 |
| 2011 | 3 | 6 |
| 2012 | 4 | 9 |
| 2013 | 8 | 2 |
| 2014 | 1 | 5 |
| 2015 | 5 | 7 |
| 2016 | 4 | 3 |
| 2017 | 3 | 11 |
| 2018 | 5 | 7 |
| 2019 | 7 | 8 |
| 2020 | 7 | 12 |
| 2021 | 6 | 10 |
| 2022 | 4 | 11 |
| 2023 | 11 | 22 |
| 2024 | 6 | 11 |
| 2025 | 9 | 14 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- En route food product preparation21 Apr 2026US 12,605,845 B2Congruens Group, LLC
- Automated food article making system and method24 Mar 2026US 12,582,126 B2X Robotics, Inc.
- Sliced topping alignment3 Mar 2026US 12,564,978 B2Lab2Fab, LLC
- Automated pizza assembly system including measuring device30 Dec 2025US 12,508,716 B2Little Caesar Enterprises, Inc.
- Flexible automatic food processing and client orders execution machine30 Dec 2025US 12,508,717 B2X Robotics, Inc.
- Noodle skin piece producing apparatus1 Oct 2026US 2026/0293914 A1Yutaka Mfg. Co., Ltd.
- Pizza topping spreader27 Aug 2026US 2026/0248144 A1Yindu Kitchen Equipment Co., Ltd.
- Automated food article making system and method30 Jul 2026US 2026/0215438 A1X Robotics, Inc.
- Continuous soft pretzel apparatus and method11 Jun 2026US 2026/0157379 A1
- Flexible automatic food processing and client orders execution machine7 May 2026US 2026/0124766 A1X Robotics, Inc.
Most cited
By later US patents
- Pizza making and baking machine88US 5,121,677 AEdible Technology, Inc. · 1992
- Method and apparatus for producing shaped and sized food articles76US 4,212,609 A1980
- Method for decorating baked goods and the like67US 4,285,978 A1981
- Sandwich preparation apparatus67US 5,540,943 AKabushiki Kaisha Kyowa Kogyosho · 1996
- Method of making printed baked goods59US 5,534,281 ANabisco, Inc. · 1996