H04B 7/15
Active relay systems
H04B7/15 (Active relay systems) appears on 15,897 US grants and 17,152 published applications in this corpus.
Search patents in H04B- Granted patents
- 15,897
- Published applications
- 17,152
- Assignees
- 2,899
- Inventors
- 20,622
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 32 | 0 |
| 1978 | 23 | 0 |
| 1979 | 24 | 0 |
| 1980 | 23 | 0 |
| 1981 | 22 | 0 |
| 1982 | 34 | 0 |
| 1983 | 16 | 0 |
| 1984 | 24 | 0 |
| 1985 | 19 | 0 |
| 1986 | 28 | 0 |
| 1987 | 39 | 0 |
| 1988 | 39 | 0 |
| 1989 | 40 | 0 |
| 1990 | 36 | 0 |
| 1991 | 41 | 0 |
| 1992 | 33 | 0 |
| 1993 | 37 | 0 |
| 1994 | 52 | 0 |
| 1995 | 88 | 0 |
| 1996 | 125 | 0 |
| 1997 | 146 | 0 |
| 1998 | 223 | 0 |
| 1999 | 289 | 0 |
| 2000 | 314 | 0 |
| 2001 | 282 | 90 |
| 2002 | 253 | 313 |
| 2003 | 208 | 331 |
| 2004 | 256 | 284 |
| 2005 | 187 | 292 |
| 2006 | 249 | 289 |
| 2007 | 180 | 297 |
| 2008 | 188 | 460 |
| 2009 | 232 | 455 |
| 2010 | 292 | 543 |
| 2011 | 365 | 517 |
| 2012 | 451 | 585 |
| 2013 | 551 | 579 |
| 2014 | 694 | 562 |
| 2015 | 680 | 589 |
| 2016 | 610 | 716 |
| 2017 | 717 | 835 |
| 2018 | 798 | 829 |
| 2019 | 933 | 803 |
| 2020 | 867 | 924 |
| 2021 | 769 | 1037 |
| 2022 | 816 | 1158 |
| 2023 | 920 | 1261 |
| 2024 | 950 | 1351 |
| 2025 | 1000 | 1259 |
| 2026 | 692 | 793 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Enhanced processing to discriminate between ADS B traffic/tracks with duplicate aircraft addresses6 Oct 2026US 12,755,636 B2BAE Systems Information and Electronic Systems Integration Inc.
- Satellite array architecture6 Oct 2026US 12,756,110 B2
- Adaptive phase-changing devices for non-terrestrial networks6 Oct 2026US 12,756,453 B2Google Inc.
- Initial access for message relaying using air-to- ground connections6 Oct 2026US 12,756,454 B2QUALCOMM Incorporated
- Transmission signal compensation method, network side device and terminal6 Oct 2026US 12,756,455 B2Datang Mobile Communications Equipment Co., Ltd.
- Multi-antenna system for non-terrestrial communications8 Oct 2026US 2026/0312626 A1Astranis Space Technologies Corp.
- Wireless communication system, wireless communication device, wireless communication method, and wireless communication program8 Oct 2026US 2026/0312639 A1NTT, Inc.
- Network creation process for internet supply to the earth's complete land surface, the payload and aircraft enabling its implementation8 Oct 2026US 2026/0312671 A1Prodose
- Electronic device for controlling switch electrically connected to antenna, and operation method thereof8 Oct 2026US 2026/0312672 A1Samsung Electronics Co., Ltd.
- Unicast and broadcast communications using phased-array antenna8 Oct 2026US 2026/0312673 A1ViaSat, Inc.
Most cited
By later US patents
- Authorized location reporting paging system2,396US 6,560,461 B12003
- Location reporting satellite paging system with optional blocking of location reporting2,183US 5,918,159 A1999
- Spread spectrum multiple access communication system using satellite or terrestrial repeaters1,545US 4,901,307 AQUALCOMM Incorporated · 1990
- Method and system for reliable broadcasting of data files and streams1,460US 6,272,658 B1Kencast, Inc. · 2001
- Method and system for reliable broadcasting of data files and streams1,381US 6,567,948 B2Kencast, Inc. · 2003