H01P 1/17
For producing a continuously rotating polarisation
Official title: for producing a continuously rotating polarisation, e.g. circular polarisation
H01P1/17 (For producing a continuously rotating polarisation) appears on 204 US grants and 156 published applications in this corpus.
Search patents in H01P- Granted patents
- 204
- Published applications
- 156
- Assignees
- 126
- Inventors
- 370
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 7 |
| 2003 | 8 | 4 |
| 2004 | 3 | 1 |
| 2005 | 1 | 4 |
| 2006 | 2 | 0 |
| 2007 | 3 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 4 |
| 2012 | 3 | 4 |
| 2013 | 5 | 3 |
| 2014 | 3 | 5 |
| 2015 | 7 | 9 |
| 2016 | 7 | 5 |
| 2017 | 9 | 11 |
| 2018 | 13 | 16 |
| 2019 | 14 | 25 |
| 2020 | 14 | 17 |
| 2021 | 15 | 11 |
| 2022 | 13 | 8 |
| 2023 | 6 | 2 |
| 2024 | 6 | 7 |
| 2025 | 6 | 5 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multiband piston polarizer waveguide assembly including coaxially configured inner and outer waveguide cavities30 Jun 2026US 12,671,159 B1Lockheed Martin Corporation
- Wideband septum polarizer for reducing higher order mode3 Feb 2026US 12,542,339 B2Intellian Technologies Inc.
- Active phased array with integrated antennas and circuits on common printed circuit cards27 Jan 2026US 12,537,314 B2CesiumAstro, Inc.
- Longitudinally ridged quad polarizer feed30 Dec 2025US 12,512,596 B1Lockheed Martin Corporation
- Polarizer for parallel plate waveguides23 Dec 2025US 12,506,275 B2Telefonaktiebolaget LM Ericsson (publ)
- Compact mode converter waveguide13 Nov 2025US 2025/0349486 A1Varian Medical Systems, Inc.
- Polarizer21 Aug 2025US 2025/0266596 A1Optim Microwave, Inc.
- Active Phased Array with Integrated Antennas and Circuits on Common Printed Circuit Cards26 Jun 2025US 2025/0210882 A1CesiumAstro, Inc.
- Phase shifter and preparation method thereof, and electronic device1 May 2025US 2025/0141075 A1Beijing BOE Sensor Technology Co., Ltd.
- Integrated High Frequency Horn and Ridge Polarizer24 Apr 2025US 2025/0132502 A1Hughes Network Systems, LLC
Most cited
By later US patents
- Multi-band feed assembly for linear and circular polarization173US 8,994,473 B2Orbit Communication Ltd. · 2015
- Antenna feed with mode conversion and polarization conversion means138US 4,568,943 ARCA Corporation · 1986
- Polarized signal receiver system119US 4,414,516 AChaparral Communications, Inc. · 1983
- Flat phased array antenna54US 5,086,304 AIntegrated Visual, Inc. · 1992
- Multiple frequency antenna feed47US 5,041,840 A1991