H01T 13/05
Combined with interference suppressing or shielding means
Official title: combined with interference suppressing or shielding means
H01T13/05 (Combined with interference suppressing or shielding means) appears on 76 US grants and 61 published applications in this corpus.
Search patents in H01T- Granted patents
- 76
- Published applications
- 61
- Assignees
- 42
- Inventors
- 136
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 5 |
| 2014 | 1 | 4 |
| 2015 | 7 | 5 |
| 2016 | 5 | 8 |
| 2017 | 9 | 6 |
| 2018 | 4 | 7 |
| 2019 | 7 | 6 |
| 2020 | 3 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 3 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Spark plug with electrode head shielding element5 Aug 2025US 12,381,374 B2EcoPower Spark, LLC
- Spark plug with electrode head shielding element11 Jun 2024US 12,009,640 B2EcoPower Spark, LLC
- Spark plug4 Jul 2023US 11,695,257 B2Ngk Spark Plug Co., Ltd.
- Spark-plug wire having heat shield with retention features7 Mar 2023US 11,600,970 B1Ford Global Technologies, LLC
- Apparatus for igniting a fuel mixture, transmission element for transmitting a high-voltage ignition voltage, ignition device, and circuit device21 Feb 2023US 11,588,303 B2Rosenberger Hochfrequenztechnik GmbH & Co. KG
- Spark plug with electrode head shielding element5 Dec 2024US 2024/0405520 A1EcoPower Spark, LLC
- Spark plug connector1 Aug 2024US 2024/0258772 A1
- Spark plug with electrode head shielding element27 Jul 2023US 2023/0238781 A1EcoPower Spark, LLC
- Spark plug18 May 2023US 2023/0155354 A1Ngk Spark Plug Co., Ltd.
- Apparatus for Igniting a Fuel Mixture, Transmission Element for Transmitting a High-Voltion Ignition Voltage, Ignition Device, and Circuit Device30 Sep 2021US 2021/0305787 A1Rosenberger Hochfrequenztechnik GmbH & Co. KG
Most cited
By later US patents
- Spark plug shield and boot seal assembly30US 4,671,586 AGeneral Motors Corporation · 1987
- Annular electrical connector assembly24US 6,406,307 B2Delphi Technologies, Inc. · 2002
- Radio frequency interference suppression apparatus20US 3,965,879 ABrunswick Corporation · 1976
- Ignition cable means for eliminating inerference16US 5,603,306 A1997
- Spark plug14US 10,090,646 B2Ngk Spark Plug Co., Ltd. · 2018