H03H 9/40
Frequency dependent delay lines
Official title: Frequency dependent delay lines, e.g. dispersive delay lines (H03H9/42 takes precedence)
H03H9/40 (Frequency dependent delay lines) appears on 8 US grants and 5 published applications in this corpus.
Search patents in H03H- Granted patents
- 8
- Published applications
- 5
- Assignees
- 6
- Inventors
- 12
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dispersive delay line with piezoelectric substrate and lamb wave propagation29 Sep 2026US 12,750,036 B2Skyworks Solutions, Inc.
- Acoustic wave devices and modules with acoustic wave devices25 Aug 2026US 12,719,450 B2Sanan Japan Technology Corporation
- Dispersive delay line with piezoelectric substrate5 Aug 2025US 12,381,537 B2Skyworks Solutions, Inc.
- Dispersive delay line with lamb wave propagation15 Apr 2025US 12,278,618 B2Skyworks Solutions, Inc.
- Phased array acoustic signal processor17 Nov 1992US 5,164,627 AHarris Corporation
- Two-Dimensional Resonant Rod-Based Delay Line With High Bandwidth14 Nov 2024US 2024/0380384 A1Northeastern University
- Acoustic wave devices and modules with acoustic wave devices31 Oct 2024US 2024/0364310 A1Sanan Japan Technology Corporation
- Dispersive delay line with piezoelectric substrate and lamb wave propagation6 Jul 2023US 2023/0216473 A1Skyworks Solutions, Inc.
- Dispersive delay line with piezoelectric substrate6 Jul 2023US 2023/0216483 A1Skyworks Solutions, Inc.
- Dispersive delay line with lamb wave propagation6 Jul 2023US 2023/0216484 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Phased array acoustic signal processor13US 5,164,627 AHarris Corporation · 1992
- Microacoustic shear bulk wave device4US 4,101,852 ANorthwestern University · 1978
- Electroacoustic delay line apparatus3US 4,259,649 AWestinghouse Electric Corp. · 1981
- Dispersive delay line with lamb wave propagation2US 12,278,618 B2Skyworks Solutions, Inc. · 2025
- Dispersive delay line with piezoelectric substrate1US 12,381,537 B2Skyworks Solutions, Inc. · 2025