F23N 2231/16
Fail safe: using melting materials or shape memory alloys
Official title: using melting materials or shape memory alloys
F23N2231/16 (Fail safe: using melting materials or shape memory alloys) appears on 17 US grants and 4 published applications in this corpus.
Search patents in F23N- Granted patents
- 17
- Published applications
- 4
- Assignees
- 9
- Inventors
- 30
- Latest grant
- 23 Mar 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and device for monitoring the state of the protective covering of a rotary furnace burner23 Mar 2010US 7,681,455 B2KHD Humboldt Wedag GmbH
- Combustion chamber27 Nov 2007US 7,299,634 B2Siemens Aktiengesellschaft
- Gas control valve8 Apr 2003US 6,543,743 B2
- Pneumatic system for flame rollout and draft safeguard protection21 May 2002US 6,390,806 B1Carrier Corporation
- Device for preventing flareup in barometric-type liquid fuel burners by preventing excessive temperature levels at removable fuel tank3 Jul 2001US 6,254,380 B1
- Torch with integral flashback arrestor and thermal shut-off device24 Oct 2019US 2019/0323709 A1
- Method and Device for Monitoring the State of the Protective Covering of a Rotary Furnace Burner27 Nov 2008US 2008/0289430 A1KHD Humboldt Wedag GmbH
- Combustion chamber21 Sep 2006US 2006/0207263 A1Siemens Aktiengesellschaft
- Gas control valve16 Jan 2003US 2003/0010947 A1
Most cited
By later US patents
- Pneumatic system for flame rollout and draft safeguard protection55US 6,390,806 B1Carrier Corporation · 2002
- Flue draft malfunction detector and shut-off control for oil burner furnaces49US 5,567,143 A1996
- Shape memory actuator36US 4,979,672 AJohnson Service Company · 1990
- Shape memory actuator smart connector30US 5,071,064 AJohnson Service Company · 1991
- Shape memory actuator smart connector24US 5,176,544 AJohnson Service Company · 1993