F23Q 7/22
Details
F23Q7/22 (Details) appears on 140 US grants and 112 published applications in this corpus.
Search patents in F23Q- Granted patents
- 140
- Published applications
- 112
- Assignees
- 75
- Inventors
- 254
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 4 |
| 2003 | 4 | 6 |
| 2004 | 4 | 5 |
| 2005 | 3 | 1 |
| 2006 | 3 | 7 |
| 2007 | 2 | 6 |
| 2008 | 3 | 3 |
| 2009 | 2 | 3 |
| 2010 | 5 | 4 |
| 2011 | 0 | 4 |
| 2012 | 3 | 3 |
| 2013 | 2 | 7 |
| 2014 | 4 | 9 |
| 2015 | 3 | 3 |
| 2016 | 8 | 5 |
| 2017 | 4 | 3 |
| 2018 | 2 | 5 |
| 2019 | 7 | 10 |
| 2020 | 5 | 2 |
| 2021 | 3 | 6 |
| 2022 | 2 | 3 |
| 2023 | 7 | 7 |
| 2024 | 3 | 2 |
| 2025 | 3 | 0 |
| 2026 | 2 | 4 |
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
- Ignition device, method for producing the same, ignition method and rocket combustion system19 May 2026US 12,631,156 B2National University Corporation Hokkaido University
- Systems and methods for operating an igniter of an oven appliance3 Jun 2025US 12,320,530 B2Haier US Appliance Solutions, Inc.
- Heater11 Mar 2025US 12,250,752 B2KYOCERA Corporation
- Control strategy for hot surface igniter18 Feb 2025US 12,228,281 B2Chongqing Le-Mark Technology Co
- Ignitor canister for a turbine glow plug17 Sep 2026US 2026/0275916 A1
- Flame-based detectors with protected ignitor10 Sep 2026US 2026/0266732 A1Agilent Technologies, Inc.
- Temperature measurement system and method for temperature control of hot surface igniter30 Jul 2026US 2026/0219696 A1Chongqing Le-Mark Technology Co
- Ignitor canister for a turbine glow plug18 Jun 2026US 2026/0168443 A1
- Four-wire electric heating and ignition device capable of temperature measurement5 Dec 2024US 2024/0401806 A1Chongqing Le-Mark Technology Co
Most cited
By later US patents
- Refractory electrical device127US 5,085,804 ANorton Company · 1992
- Relighter control system102US 6,743,010 B2Gas Electronics, Inc. · 2004
- Refractory electrical device100US 5,045,237 ANorton Company · 1991
- Composition for small ceramic igniters98US 5,514,630 ASaint-Gobain/Norton Industrial Ceramics Corporation · 1996
- Electroconductive ceramics68US 4,528,121 AHitachi, Ltd. · 1985