F21H
Incandescent mantles
Official title: Incandescent mantles; other incandescent bodies heated by combustion
F21H (Incandescent mantles) appears on 29 US grants and 5 published applications in this corpus.
Search patents in F21H- Granted patents
- 29
- Published applications
- 5
- Assignees
- 8
- Inventors
- 41
- Latest grant
- 16 Aug 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Main groups
Granted patents with any code in the group
Recent patents
- Lighting apparatus16 Aug 2016US 9,416,960 B2Bevolo Gas & Electric Lights, Inc.
- Incandescent body13 Nov 2007US 7,293,892 B2
- Sliding globe assembly for lantern21 Mar 2006US 7,014,459 B2The Coleman Company, Inc.
- Decorative light defusing novelty lamp18 Oct 2005US 6,955,440 B2
- Heater with light31 Dec 2002US 6,499,480 B2The Coleman Company, Inc.
- Lighting apparatus31 Oct 2013US 2013/0288188 A1Bevolo Gas & Electric Lights, Inc.
- Decorative light defusing novelty lamp17 Feb 2005US 2005/0036317 A1
- Incandescent body3 Feb 2005US 2005/0024860 A1
- Sliding globe assembly for lantern21 Oct 2004US 2004/0209210 A1The Coleman Company, Inc.
- Heater with light28 Feb 2002US 2002/0023636 A1The Coleman Company, Inc.
Most cited
By later US patents
- Decorative light defusing novelty lamp88US 6,955,440 B22005
- Portable, small, light-weight radiant and/or electrical power generating sources35US 6,092,912 AThe Quantum Group, Inc. · 2000
- Thermophotovoltaic technology34US 4,584,426 AThe Gillette Company · 1986
- Thermophotovoltaic technology30US 4,976,606 ATPV Energy Systems, Inc. · 1990
- Heater with light23US 6,422,232 B1The Coleman Company, Inc. · 2002