H03H 9/423
With adjustable delay time
Official title: {with adjustable delay time}
H03H9/423 (With adjustable delay time) appears on 20 US grants and 4 published applications in this corpus.
Search patents in H03H- Granted patents
- 20
- Published applications
- 4
- Assignees
- 17
- Inventors
- 36
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Tunable diffraction gratings using surface acoustic waves12 Nov 2024US 12,140,826 B2California Institute of Technology
- Microelectromechanical tunable delay line circuit5 Jul 2022US 11,381,230 B2Northeastern University
- Delay compensation apparatus25 Jun 2019US 10,333,492 B2Huawei Technologies Co., Ltd.
- Surface wave device having anti-reflective shield26 Sep 1989US 4,870,312 AHazeltine Corporation
- Elastic surface wave device7 Mar 1989US 4,810,921 AGold Star Instrument & Electric Co., Ltd.
- Self-interference cancelation apparatus in piezoelectric semiconductor platforms25 Jul 2024US 2024/0250706 A1University of Central Florida Research Foundation, Inc.
- Microelectromechanical Tunable Delay Line Circuit10 Mar 2022US 2022/0077848 A1Northeastern University
- Tunable Diffraction Gratings Using Surface Acoustic Waves10 Feb 2022US 2022/0043288 A1California Institute of Technology
- Delay compensation apparatus5 Oct 2017US 2017/0288640 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Carrier concentration controlled surface acoustic wave variable delay devices22US 4,233,573 AUnited Technologies Corporation · 1980
- Electronically variable time delay in piezoelectric media22US 4,401,956 A1983
- Surface acoustic wave device18US 4,697,115 AClarion Co., Ltd. · 1987
- Surface acoustic wave modulator using single crystal films of lithium ferrite13US 4,177,438 AThe United States of America as represented by the Secretary of the Navy · 1979
- Acoustic wave devices10US 4,117,424 ABell Telephone Laboratories, Incorporated · 1978