F23N 2235/30
Pumps
F23N2235/30 (Pumps) appears on 57 US grants and 18 published applications in this corpus.
Search patents in F23N- Granted patents
- 57
- Published applications
- 18
- Assignees
- 41
- Inventors
- 127
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for automated furnace inducer sensor output verification22 Sep 2026US 12,742,548 B2Rheem Manufacturing Company
- Systems and methods to prevent explosions in a tank using automated gas harvesting and purge safety devices10 Sep 2024US 12,085,278 B2Halliburton Energy Services.Inc.
- Method and apparatus for mitigating premix burner combustion tone3 Jan 2023US 11,543,126 B2Carrier Corporation
- 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 scrubbers25 Jan 2022US 11,229,876 B1Kamterter Products, LLC
- Gas burner assembly30 Sep 2014US 8,845,326 B2General Electric Company
- Burner body with variable gas outlet area30 Apr 2026US 2026/0117969 A1Ariston S.P.A.
- Method and controller for operating a gas burner appliance5 Dec 2024US 2024/0401804 A1Pittway Sarl
- Systems and methods for automated furnace inducer sensor output verification8 Feb 2024US 2024/0044490 A1Rheem Manufacturing Company
- Systems and methods to prevent explosions in a tank using automated gas harvesting and purge safety devices12 Oct 2023US 2023/0324046 A1Halliburton Energy Services.Inc.
- Method and apparatus for mitigating premix burner combustion tone8 Oct 2020US 2020/0318829 A1Carrier Corporation
Most cited
By later US patents
- Burner for heating gas stream65US 5,320,523 AGeneral Motors Corporation · 1994
- Combustion control apparatus for burner41US 5,049,063 AToyota Jidosha Kabushiki Kaisha · 1991
- Air fuel control system for Stirling engine33US 4,231,222 AFord Motor Company · 1980
- System for supplying fuel and combustion air to an external combustion engine25US 4,067,191 AForenade Fabriksverken · 1978
- Gas burner assembly24US 8,845,326 B2General Electric Company · 2014