H01Q 21/28
Combinations of substantially independent non-interacting antenna units or systems
Official title: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)}
H01Q21/28 (Combinations of substantially independent non-interacting antenna units or systems) appears on 4,869 US grants and 5,624 published applications in this corpus.
Search patents in H01Q- Granted patents
- 4,869
- Published applications
- 5,624
- Assignees
- 1,473
- Inventors
- 9,087
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 11 | 0 |
| 1997 | 16 | 0 |
| 1998 | 34 | 0 |
| 1999 | 35 | 0 |
| 2000 | 51 | 0 |
| 2001 | 47 | 10 |
| 2002 | 60 | 55 |
| 2003 | 47 | 68 |
| 2004 | 43 | 90 |
| 2005 | 74 | 72 |
| 2006 | 73 | 104 |
| 2007 | 56 | 98 |
| 2008 | 73 | 125 |
| 2009 | 90 | 125 |
| 2010 | 85 | 132 |
| 2011 | 99 | 147 |
| 2012 | 99 | 180 |
| 2013 | 131 | 221 |
| 2014 | 163 | 229 |
| 2015 | 176 | 233 |
| 2016 | 192 | 235 |
| 2017 | 258 | 282 |
| 2018 | 219 | 305 |
| 2019 | 337 | 360 |
| 2020 | 354 | 407 |
| 2021 | 374 | 427 |
| 2022 | 338 | 414 |
| 2023 | 300 | 440 |
| 2024 | 419 | 386 |
| 2025 | 365 | 303 |
| 2026 | 207 | 176 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Isolation of watch housing and antenna using a molded cover6 Oct 2026US 12,754,518 B2Garmin International, Inc.
- Heatsink for conformal antenna assembly29 Sep 2026US 12,749,791 B2Harman International Industries, Incorporated
- Antenna system and base station29 Sep 2026US 12,749,829 B2Huawei Technologies Co., Ltd.
- AI control and allocation of network resources22 Sep 2026US 12,744,316 B2
- Information handling system dongle with swappable antenna22 Sep 2026US 12,744,335 B2Dell Products L. P.
- Antenna assembly with outer coil encompassing patch antenna1 Oct 2026US 2026/0302622 A1Motorola Mobility LLC
- Information handling system dongle with swappable antenna1 Oct 2026US 2026/0302650 A1Dell Products L. P.
- Multi-antenna mounting arrangement17 Sep 2026US 2026/0280107 A1Telefonaktiebolaget LM Ericsson (publ)
- Antenna assembly17 Sep 2026US 2026/0280143 A1Kyocera AVX Components (San Diego), Inc.
- Terminal antenna system17 Sep 2026US 2026/0280152 A1Honor Device Co., Ltd.
Most cited
By later US patents
- Client-server based remote locator device710US 6,131,067 ASnapTrack, Inc. · 2000
- Radio frequency identification system675US 6,100,804 AIntecmec IP Corp. · 2000
- GPS receiver and method for processing GPS signals593US 5,663,734 APrecision Tracking, Inc. · 1997
- GPS receiver utilizing a communication link582US 5,841,396 ASnapTrack, Inc. · 1998
- GPS receiver utilizing a communication link514US 5,874,914 ASnapTrack, Inc. · 1999