H01P 1/2133
Using coaxial filters
Official title: {using coaxial filters (H01P1/2131, H01P1/2136 take precedence)}
H01P1/2133 (Using coaxial filters) appears on 45 US grants and 30 published applications in this corpus.
Search patents in H01P- Granted patents
- 45
- Published applications
- 30
- Assignees
- 46
- Inventors
- 105
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 4 | 4 |
| 2020 | 6 | 4 |
| 2021 | 3 | 1 |
| 2022 | 2 | 5 |
| 2023 | 3 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Signal combiner12 May 2026US 12,626,185 B2QUALCOMM Incorporated
- Mobile radio antenna for connection to at least one mobile base station18 Jun 2024US 12,015,206 B2Telefonaktiebolaget LM Ericsson (publ)
- Band-stop filter, transmission line for band-stop filter and multiplexer24 Oct 2023US 11,799,180 B2CommScope Italy S.r.l.
- Filters having resonators with negative coupling8 Aug 2023US 11,721,878 B2CommScope Italy S.r.l.
- Waveguide assembly4 Apr 2023US 11,621,464 B2Hughes Network Systems, LLC
- Multiband diplexer and broadband antenna comprising same7 Nov 2024US 2024/0372257 A1Intellian Technologies Inc.
- Modular Electronic Cigarette30 Nov 2023US 2023/0387878 A1Telefonktiebolaget LM Ericsson (publ)
- Signal combiner30 Jun 2022US 2022/0207428 A1QUALCOMM Incorporated
- Waveguide assembly30 Jun 2022US 2022/0209381 A1Hughes Network Systems, LLC
- Filters having resonators with negative coupling24 Feb 2022US 2022/0059914 A1CommScope Italy S.r.l.
Most cited
By later US patents
- Notch filter network124US 4,186,359 ATX RX Systems Inc. · 1980
- Multi-band antenna feed with switchably shared I/O port21US 5,635,944 AUnisys Corporation · 1997
- Filter having switch function and band pass filter18US 8,072,294 B2NEC Corporation · 2011
- Die-cast duplexer14US 5,905,416 AGlenayre Electronics, Inc. · 1999
- Diplexer and multiplexer13US 4,240,155 AMicro Communications Corporation · 1980