F23N 2225/22
Heat losses
Official title: heat losses
F23N2225/22 (Heat losses) appears on 28 US grants and 9 published applications in this corpus.
Search patents in F23N- Granted patents
- 28
- Published applications
- 9
- Assignees
- 16
- Inventors
- 34
- Latest grant
- 13 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 3 | 0 |
| 2004 | 4 | 1 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method to reduce standby energy loss in a gas burning appliance and components for use therewith13 Apr 2021US 10,976,075 B2Invensys Controls Australia Pty Ltd.
- System and method to reduce standby energy loss in a gas burning appliance and components for use therewith10 Dec 2019US 10,502,455 B2Invensys Controls Australia Pty Ltd.
- Use of statistical analysis in power plant performance monitoring12 Jun 2012US 8,200,369 B2Emerson Process Management Power & Water Solutions, Inc.
- Thermostat with usage history10 Jan 2012US 8,091,794 B2Honeywell International Inc.
- Energy usage display unit22 Nov 2011US 8,065,097 B2Rinnai Corporation
- System and method to reduce standby energy loss in a gas burning appliance and components for use therewith13 Apr 2017US 2017/0102166 A1Robertshaw Controls Company
- System and Method to Reduce Standby Energy Loss in a Gas Burning Appliance and Components for Use Therewith14 Jul 2011US 2011/0168284 A1Invensys Controls Australia Pty Ltd.
- Fluidized bed combustion optimization tool and method thereof25 Feb 2010US 2010/0049561 A1ALSTOM Technology Ltd
- Use of statistical analysis in power plant performance monitoring8 Jan 2009US 2009/0012653 A1Emerson Process Management Power & Water Solutions, Inc.
- Thermostat with usage history1 Jan 2009US 2009/0001181 A1Honeywell International Inc.
Most cited
By later US patents
- Thermostat with usage history122US 8,091,794 B2Honeywell International Inc. · 2012
- Furnace monitoring system97US 4,296,727 AMicro-Burner Systems Corporation · 1981
- Methods and systems for improving thermal efficiency, determining effluent flows and for determining fuel mass flow rates of a fossil fuel fired system61US 5,790,420 A1998
- Combustion control system58US 4,749,122 AThe Foxboro Company · 1988
- Input/loss method for determining fuel flow, chemistry, heating value and performance of a fossil-fired system42US 6,522,994 B1Exergetic Systems LLC · 2003