F23K 2203/20
Feeding/conveying devices
F23K2203/20 (Feeding/conveying devices) appears on 97 US grants and 135 published applications in this corpus.
Search patents in F23K- Granted patents
- 97
- Published applications
- 135
- Assignees
- 80
- Inventors
- 274
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 3 |
| 2004 | 3 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 6 |
| 2010 | 1 | 8 |
| 2011 | 2 | 11 |
| 2012 | 7 | 9 |
| 2013 | 5 | 11 |
| 2014 | 7 | 8 |
| 2015 | 13 | 5 |
| 2016 | 3 | 7 |
| 2017 | 8 | 4 |
| 2018 | 5 | 3 |
| 2019 | 2 | 4 |
| 2020 | 2 | 8 |
| 2021 | 8 | 7 |
| 2022 | 2 | 11 |
| 2023 | 5 | 3 |
| 2024 | 3 | 4 |
| 2025 | 7 | 7 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Precise energy-saving and temperature control system for pellet grills15 Sep 2026US 12,736,224 B1Dongguan Fortress Co., Ltd.
- Jamming resistant auger for cooker9 Jun 2026US 12,650,220 B2GMG Products, LLC
- Conical fuel particulate distributor for coal supply conduit19 May 2026US 12,631,329 B2SAS Global Corporation
- Ignition-based protocols for pellet grills19 May 2026US 12,631,336 B2
- Pneumatic conveying system and circulating fluidized bed boiler10 Mar 2026US 12,571,534 B2Shanxi Research Institute of Huairou Laboratory
- Apparatus for feeding solid fuel feedstock into a furnace8 Oct 2026US 2026/0309324 A1British American Tobacco (Investments) Limited
- Pellet fueled cooking appliance with an improved hopper configuration10 Sep 2026US 2026/0262882 A1North Atlantic Imports, LLC
- Feeding and Mixing Device20 Aug 2026US 2026/0241356 A1Orion Engineered Carbons IP GmbH & Co. KG
- Jamming resistant auger for cooker9 Jul 2026US 2026/0194225 A1GMG Products, LLC
- Wood chip combustion furnace4 Jun 2026US 2026/0153240 A1Haohong Electric Technology (Hubei) Co., Ltd.
Most cited
By later US patents
- Feeding apparatus for creation of one or more plugs of compressible material for feeding into a gasifier or reactor42US 7,964,004 B2TK Energi A/S · 2011
- Pellet fuel burner for heating and drying systems29US 5,893,358 APyro Industries, Inc. · 1999
- Piston member, an apparatus comprising the piston member, and methods and use of the piston member and the apparatus27US 8,721,299 B2ThermoChem Recovery International, Inc. · 2014
- Hybrid feed mechanism17US 8,100,066 B22012
- Pellet hopper liner16US 11,162,684 B2Traeger Pellet Grills, LLC · 2021