H04B 1/0057
Using diplexing or multiplexing filters for selecting the desired band
Official title: {using diplexing or multiplexing filters for selecting the desired band}
H04B1/0057 (Using diplexing or multiplexing filters for selecting the desired band) appears on 1,328 US grants and 1,484 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,328
- Published applications
- 1,484
- Assignees
- 356
- Inventors
- 2,088
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 15 | 0 |
| 2000 | 12 | 0 |
| 2001 | 7 | 1 |
| 2002 | 10 | 7 |
| 2003 | 5 | 11 |
| 2004 | 5 | 27 |
| 2005 | 11 | 21 |
| 2006 | 16 | 28 |
| 2007 | 25 | 21 |
| 2008 | 19 | 26 |
| 2009 | 17 | 25 |
| 2010 | 20 | 26 |
| 2011 | 27 | 21 |
| 2012 | 26 | 35 |
| 2013 | 25 | 52 |
| 2014 | 41 | 44 |
| 2015 | 61 | 66 |
| 2016 | 52 | 61 |
| 2017 | 58 | 92 |
| 2018 | 90 | 87 |
| 2019 | 103 | 147 |
| 2020 | 130 | 124 |
| 2021 | 97 | 137 |
| 2022 | 119 | 94 |
| 2023 | 83 | 126 |
| 2024 | 86 | 88 |
| 2025 | 88 | 67 |
| 2026 | 59 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless communication device for concurrently receiving multiple types of signals and associated method6 Oct 2026US 12,756,407 B2Realtek Semiconductor Corp.
- Dual-band filter for an IFF/ADS-B reception chain8 Sep 2026US 12,732,213 B2Centralesupelec
- Coordination of communication protocols using a shared front-end module8 Sep 2026US 12,732,215 B2Apple Inc.
- Methods and devices for selectively amplifying multiple carriers in different frequency bands25 Aug 2026US 12,719,508 B2Molex Incorporated
- Four-port diplexer device25 Aug 2026US 12,719,509 B2Lisa Draexlmaier GmbH
- Multiplexer8 Oct 2026US 2026/0312565 A1Murata Manufacturing Co., Ltd.
- Method of controlling a multi-antenna transmitter and receiver arrangement (matara), non-transitory computer-readable storage medium, computer program products, control unit, matara, wireless device and chips therefor8 Oct 2026US 2026/0312632 A1Beammwave AB
- System and design method of a low band radio unit1 Oct 2026US 2026/0303128 A1Jio Platforms Limited
- Radio frequency module and communication device1 Oct 2026US 2026/0303139 A1Murata Manufacturing Co., Ltd.
- Systems and methods for impedance shifting between filters and amplifiers24 Sep 2026US 2026/0291453 A1Qorvo US, Inc.
Most cited
By later US patents
- Method and repeater for broadband distribution589US 9,893,795 B1AT&T Intellectual Property I, L. P. · 2018
- Repeater and methods for use therewith406US 9,608,692 B2AT&T Intellectual Property I, L. P. · 2017
- Multi-band wireless radiotelephone operative in a plurality of air interface of differing wireless communications systems280US 5,406,615 AAT&T Corp. · 1995
- Digitally programmable multifunction radio system architecture271US 6,072,994 ANorthrop Grumman Corporation · 2000
- Dual mode transmitter and receiver234US 5,291,516 AOmnipoint Data Company, Incorporated · 1994