F23Q 7/00
Incandescent ignition
Official title: Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes (circuits therefor H01T15/00); Electrically-heated glowing plugs
F23Q7/00 (Incandescent ignition) appears on 849 US grants and 624 published applications in this corpus.
Search patents in F23Q- Granted patents
- 849
- Published applications
- 624
- Assignees
- 287
- Inventors
- 1,352
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 12 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 16 | 0 |
| 1981 | 15 | 0 |
| 1982 | 13 | 0 |
| 1983 | 11 | 0 |
| 1984 | 22 | 0 |
| 1985 | 16 | 0 |
| 1986 | 18 | 0 |
| 1987 | 19 | 0 |
| 1988 | 14 | 0 |
| 1989 | 18 | 0 |
| 1990 | 10 | 0 |
| 1991 | 13 | 0 |
| 1992 | 18 | 0 |
| 1993 | 19 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 20 | 0 |
| 1999 | 20 | 0 |
| 2000 | 23 | 0 |
| 2001 | 18 | 9 |
| 2002 | 18 | 33 |
| 2003 | 29 | 20 |
| 2004 | 25 | 27 |
| 2005 | 17 | 18 |
| 2006 | 15 | 21 |
| 2007 | 20 | 36 |
| 2008 | 14 | 17 |
| 2009 | 10 | 29 |
| 2010 | 20 | 32 |
| 2011 | 10 | 31 |
| 2012 | 15 | 20 |
| 2013 | 21 | 40 |
| 2014 | 16 | 45 |
| 2015 | 20 | 47 |
| 2016 | 36 | 28 |
| 2017 | 36 | 23 |
| 2018 | 18 | 19 |
| 2019 | 23 | 25 |
| 2020 | 23 | 25 |
| 2021 | 15 | 20 |
| 2022 | 19 | 14 |
| 2023 | 21 | 17 |
| 2024 | 11 | 10 |
| 2025 | 9 | 6 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ignitor canister for a turbine glow plug14 Jul 2026US 12,680,504 B2
- Rapid exhaust catalyst heating using a glow plug26 May 2026US 12,637,968 B2Fca US LLC
- Power supply device with tool modules19 May 2026US 12,629,809 B2MIW Associates LLC
- Ignition device, method for producing the same, ignition method and rocket combustion system19 May 2026US 12,631,156 B2National University Corporation Hokkaido University
- Ignition-based protocols for pellet grills19 May 2026US 12,631,336 B2
- Ignitor canister for a turbine glow plug17 Sep 2026US 2026/0275916 A1
- Solar Powered Cigarette Lighter10 Sep 2026US 2026/0266462 A1
- Flame-based detectors with protected ignitor10 Sep 2026US 2026/0266732 A1Agilent Technologies, Inc.
- Rapid exhaust catalyst heating using a glow plug27 Aug 2026US 2026/0251081 A1Saudi Arabian Oil Company
- Temperature measurement system and method for temperature control of hot surface igniter30 Jul 2026US 2026/0219696 A1Chongqing Le-Mark Technology Co
Most cited
By later US patents
- Battery powered cigarette lighter having recessed heating element and normally open pivotally actuated switch136US 5,235,157 AElectra-Lite, Inc. · 1993
- Refractory electrical device127US 5,085,804 ANorton Company · 1992
- Battery-operated portable cigarette lighter with closure actuated switch117US 5,285,050 AElectra-Lite, Inc. · 1994
- Battery powered portable cigarette lighter having a press-fitted ceramic heat concentrating and protective resistance heating filament support112US 5,274,214 AElectra-Lite, Inc. · 1993
- Relighter control system102US 6,743,010 B2Gas Electronics, Inc. · 2004