H04B 15/025
Reducing interference from ignition apparatus of fuel engines
Official title: {Reducing interference from ignition apparatus of fuel engines (cables with high resistance H01B)}
H04B15/025 (Reducing interference from ignition apparatus of fuel engines) appears on 35 US grants and 23 published applications in this corpus.
Search patents in H04B- Granted patents
- 35
- Published applications
- 23
- Assignees
- 20
- Inventors
- 47
- Latest grant
- 19 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 9 |
| 2017 | 1 | 1 |
| 2018 | 4 | 1 |
| 2019 | 6 | 0 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Remote communication and powered sensing/control/identification devices using high temperature compatible semiconductor materials10 Aug 2021US 11,089,389 B2Raytheon Technologies Corporation
- Vehicle radio interference sensor15 Jun 2021US 11,038,605 B1NXP B. V.
- Systems and methods involving interference cancellation20 Oct 2020US 10,812,119 B1NXP B. V.
- Component counterfeit prevention28 Apr 2020US 10,638,207 B2United Technologies Corporation
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Most cited
By later US patents
- Radio frequency suppression for fuel pump45US 4,845,393 A1989
- Electromagnetic interference filter36US 6,926,288 B2Bose Corporation · 2005
- Multi-stage sensing/control/identification device having protected communication and remote power24US 9,986,310 B2United Technologies Corporation · 2018
- Apparatus and method for protecting engine electronics from radio frequency interference17US 4,875,457 ABrunswick Corporation · 1989
- Electromagnetic communication from waveguide confinement14US 10,091,562 B2United Technologies Corporation · 2018