H03H 7/065
Parallel t-filters
Official title: Parallel T-filters
H03H7/065 (Parallel t-filters) appears on 12 US grants and 11 published applications in this corpus.
Search patents in H03H- Granted patents
- 12
- Published applications
- 11
- Assignees
- 15
- Inventors
- 36
- Latest grant
- 21 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 | 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 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Noise filter21 May 2024US 11,990,833 B2Mitsubishi Electric Corporation
- Deep rejection reflectionless filters7 Jan 2020US 10,530,321 B2Associated Universities, Inc.
- Receiver architecture for digital isolators employing notch filters common mode transient immunity27 Aug 2019US 10,397,025 B2Silicon Laboratories Inc.
- Electronic filter circuit23 Apr 2019US 10,270,416 B2Arm Limited
- Distortion measurement and correction system and method6 Oct 2015US 9,152,747 B2Xcerra Corporation
- Filter and multiplexer20 Aug 2026US 2026/0246441 A1Anhui Yunta Electronic Technologies Co., Ltd.
- Reconfigurable multi-feedback filter for mmw receivers18 Dec 2025US 2025/0385697 A1QUALCOMM Incorporated
- Reconfigurable monolithically integrated phase-change attenuator and methods thereof14 Aug 2025US 2025/0260391 A1
- Noise filter8 Jun 2023US 2023/0179085 A1Mitsubishi Electric Corporation
- Deep rejection reflectionless filters25 Jul 2019US 2019/0229696 A1Associated Universities, Inc.
Most cited
By later US patents
- Variable response notch filter for machine resonance elimination in a servo control system18US 4,195,265 AWestinghouse Canada Limited · 1980
- Methods and filter for isolating upstream ingress noise in a bi-directional cable system8US 5,737,461 AMotorola, Inc. · 1998
- Trap circuit with two variable inductors6US 4,795,990 AMatsushita Electric Industrial Co., Ltd. · 1989
- Compact RC notch filter for quadrature and differential signaling3US 8,058,949 B2Mediatek Inc. · 2011
- Distortion measurement and correction system and method3US 9,152,747 B2Xcerra Corporation · 2015