H04Q 5/18
Selecting arrangements wherein two or more subscriber stations are connected by the
Official title: with indirect connection, i.e. through subordinate switching centre
H04Q5/18 (Selecting arrangements wherein two or more subscriber stations are connected by the) appears on 50 US grants and 53 published applications in this corpus.
Search patents in H04Q- Granted patents
- 50
- Published applications
- 53
- Assignees
- 39
- Inventors
- 93
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 5 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 6 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 5 | 2 |
| 2015 | 4 | 4 |
| 2016 | 4 | 2 |
| 2017 | 7 | 8 |
| 2018 | 2 | 2 |
| 2019 | 4 | 5 |
| 2020 | 9 | 2 |
| 2021 | 2 | 3 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Provisioning a device to be an authentication device6 Oct 2026US 12,756,702 B1Amazon Technologies, Inc.
- Tracking system1 Jul 2025US 12,345,816 B2SportsMEDIA Technology Corporation
- Synchronous dual band signal acquisition and source location system3 Dec 2024US 12,160,052 B2RF Controls, LLC
- Provisioning a device to be an authentication device8 Oct 2024US 12,113,788 B2Amazon Technologies, Inc.
- Tracking system16 Jan 2024US 11,874,373 B2SportsMEDIA Technology Corporation
- Tracking system16 Oct 2025US 2025/0321335 A1SportsMEDIA Technology Corporation
- Synchronous dual band signal acquisition and source location system20 Feb 2025US 2025/0062530 A1RF Controls, LLC
- Tracking system2 May 2024US 2024/0142622 A1SportsMEDIA Technology Corporation
- Synchronous dual band signal acquisition and source location system2 Nov 2023US 2023/0352832 A1RF Controls, LLC
- Tracking system17 Nov 2022US 2022/0365212 A1SportsMEDIA Technology Corporation
Most cited
By later US patents
- Systems and methods for providing a RF transaction device for use in a private label transaction136US 7,119,659 B2American Express Travel Related Services Company, Inc. · 2006
- Tracking system66US 8,884,741 B2Sportvision, Inc. · 2014
- Tracking system using proximity and/or presence44US 8,786,415 B2Sportvision, Inc. · 2014
- Apparatus for establishing a mesh network for reefer sensor architecture33US 9,189,661 B1GlobalTrak, LLC · 2015
- Tracking system33US 9,625,321 B2Sportvision, Inc. · 2017