F23K 5/04
Feeding or distributing systems using pumps
Official title: Feeding or distributing systems using pumps (from a central source to a plurality of burners F23K5/06)
F23K5/04 (Feeding or distributing systems using pumps) appears on 134 US grants and 95 published applications in this corpus.
Search patents in F23K- Granted patents
- 134
- Published applications
- 95
- Assignees
- 91
- Inventors
- 291
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 0 |
| 2003 | 2 | 2 |
| 2004 | 2 | 8 |
| 2005 | 4 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 4 |
| 2008 | 2 | 5 |
| 2009 | 0 | 2 |
| 2010 | 5 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 4 |
| 2013 | 0 | 5 |
| 2014 | 4 | 2 |
| 2015 | 4 | 7 |
| 2016 | 3 | 9 |
| 2017 | 4 | 6 |
| 2018 | 6 | 5 |
| 2019 | 7 | 2 |
| 2020 | 2 | 5 |
| 2021 | 2 | 2 |
| 2022 | 3 | 3 |
| 2023 | 2 | 4 |
| 2024 | 2 | 4 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heating system, comprising a fuel-operated heating device23 Dec 2025US 12,502,934 B2Webasto SE
- Device for supplying liquid at constant amount and method for controlling same9 Dec 2025US 12,493,305 B2Ningbo Richen Electrical Appliance Co., Ltd
- Systems for the control and use of fluids and particles in fuel applications including boilers, refinery and chemical fluid heaters, rotary kilns, glass melters, solid dryers, drying ovens, organic fume incinerators, and scrubbers8 Jul 2025US 12,352,437 B2Kamterter Products, LLC
- Fuel delivery system having a fuel oxygen reduction unit2 Apr 2024US 11,945,600 B2General Electric Company
- Fuel supply control device9 Jan 2024US 11,867,124 B2IHI Corporation
- Fireplace Flame-Extinguishing Method and Fireplace8 Jan 2026US 2026/0009542 A1Ningbo Richen Electrical Appliance Co., Ltd
- Multi-functional residential diesel fuel energy system for combined heat and power generation16 Oct 2025US 2025/0321002 A1
- A heating system, comprising a fuel-operated heating device29 May 2025US 2025/0170873 A9Webasto SE
- Fuel supply method, fuel supply system, fuel combustion system provided with fuel supply system, and gas turbine plant9 Jan 2025US 2025/0012215 A1Mitsubishi Heavy Industries, Ltd.
- Device for supplying liquid at constant amount and method for controlling same26 Dec 2024US 2024/0427357 A1Ningbo Richen Electrical Appliance Co., Ltd
Most cited
By later US patents
- Methods and apparatus for a combustion turbine nitrogen purge system171US 7,730,711 B2General Electric Company · 2010
- Fuel flow means for portable space heaters91US 4,340,362 AEx-Cell-O Corporation · 1982
- Selectively deoxygenated stored fuel system38US 9,863,322 B2United Technologies Corporation · 2018
- Infrared burner23US 5,527,180 AInternational Thermal Investments Ltd. · 1996
- Device and method for the combustion of waste oil21US 5,341,832 A1994