H01Q 9/0435
Using two feed points
Official title: {using two feed points}
H01Q9/0435 (Using two feed points) appears on 529 US grants and 531 published applications in this corpus.
Search patents in H01Q- Granted patents
- 529
- Published applications
- 531
- Assignees
- 301
- Inventors
- 1,128
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 2 |
| 2002 | 8 | 4 |
| 2003 | 6 | 4 |
| 2004 | 4 | 15 |
| 2005 | 4 | 5 |
| 2006 | 10 | 5 |
| 2007 | 2 | 9 |
| 2008 | 7 | 14 |
| 2009 | 8 | 12 |
| 2010 | 4 | 12 |
| 2011 | 10 | 12 |
| 2012 | 8 | 10 |
| 2013 | 9 | 12 |
| 2014 | 11 | 16 |
| 2015 | 12 | 16 |
| 2016 | 15 | 13 |
| 2017 | 17 | 20 |
| 2018 | 15 | 23 |
| 2019 | 31 | 40 |
| 2020 | 32 | 69 |
| 2021 | 46 | 34 |
| 2022 | 52 | 51 |
| 2023 | 38 | 43 |
| 2024 | 43 | 48 |
| 2025 | 44 | 27 |
| 2026 | 22 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Multi-mode broadband patch antenna286US 6,292,143 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2001
- Dual frequency circularly polarized microwave antenna277US 5,241,321 ASpace Systems/Loral, Inc. · 1993
- Compact dual circularly polarized waveguide radiating element236US 6,078,297 AThe Boeing Company · 2000
- Dual frequency microstrip patch antenna with capacitively coupled feed pins220US 5,003,318 AMcDonnell Douglas Corporation · 1991
- Planar dual polarization antenna217US 4,903,033 AFord Aerospace Corporation · 1990