H01T 13/18
Means for heating
Official title: Means for heating, e.g. for drying
H01T13/18 (Means for heating) appears on 22 US grants and 15 published applications in this corpus.
Search patents in H01T- Granted patents
- 22
- Published applications
- 15
- Assignees
- 14
- Inventors
- 47
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 4 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pre-chamber spark plug with improved heating behavior8 Oct 2024US 12,113,335 B2Robert Bosch GmbH
- Spark plug heat up method via transient control of the spark discharge current4 Jul 2023US 11,692,522 B2Clean Combustion Engine Technology Inc.
- Spark plug14 Jul 2020US 10,714,904 B2Ngk Spark Plug Co., Ltd.
- Ball stud strategy for hand-replaceable components requiring electric power5 Feb 2019US 10,199,803 B2Ford Global Technologies, LLC
- Spark ignition device for an internal combustion engine and central electrode assembly therefore17 Jul 2018US 10,027,092 B2Federal-Mogul Ignition Company
- Pre-chamber spark plug with improved heating behavior9 May 2024US 2024/0154391 A1Robert Bosch GmbH
- Spark plug heat up method via transient control of the spark discharge current11 Nov 2021US 2021/0348588 A1Clean Combustion Engine Technology Inc.
- Spark plug2 Apr 2020US 2020/0106246 A1Ngk Spark Plug Co., Ltd.
- Ball stud strategy for hand-replaceable components requiring electric power13 Dec 2018US 2018/0358783 A1Ford Global Technologies, LLC
- Spark ignition device for an internal combustion engine and central electrode assembly therefore15 Nov 2018US 2018/0331507 A1Federal-Mogul Corporation
Most cited
By later US patents
- Spark plug heating for a spark ignited engine86US 7,255,080 B1Ford Global Technologies, LLC · 2007
- Spark plug with measuring means78US 4,489,596 ARobert Bosch GmbH · 1984
- Air-fuel ratio control method for an internal combustion engine having spark plugs with heaters61US 5,044,331 AHonda Motor Co., Ltd. · 1991
- Spark plug heater control system for internal combustion engine60US 5,230,309 AHonda Giken Kogyo Kabushiki Kaisha · 1993
- Heater equipped spark plug22US 6,060,821 ANgk Spark Plug Co., Ltd. · 2000