H04Q 9/00
Arrangements in telecontrol or telemetry systems for selectively calling a substation from
Official title: Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
H04Q9/00 (Arrangements in telecontrol or telemetry systems for selectively calling a substation from) appears on 5,972 US grants and 7,264 published applications in this corpus.
Search patents in H04Q- Granted patents
- 5,972
- Published applications
- 7,264
- Assignees
- 2,765
- Inventors
- 13,154
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 18 | 0 |
| 1979 | 18 | 0 |
| 1980 | 14 | 0 |
| 1981 | 10 | 0 |
| 1982 | 17 | 0 |
| 1983 | 11 | 0 |
| 1984 | 10 | 0 |
| 1985 | 15 | 0 |
| 1986 | 14 | 0 |
| 1987 | 16 | 0 |
| 1988 | 11 | 0 |
| 1989 | 22 | 0 |
| 1990 | 15 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 19 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 22 | 0 |
| 2001 | 9 | 6 |
| 2002 | 12 | 40 |
| 2003 | 15 | 46 |
| 2004 | 24 | 50 |
| 2005 | 33 | 75 |
| 2006 | 57 | 97 |
| 2007 | 52 | 90 |
| 2008 | 49 | 134 |
| 2009 | 70 | 215 |
| 2010 | 67 | 199 |
| 2011 | 90 | 172 |
| 2012 | 153 | 202 |
| 2013 | 144 | 255 |
| 2014 | 162 | 365 |
| 2015 | 228 | 419 |
| 2016 | 269 | 438 |
| 2017 | 429 | 569 |
| 2018 | 493 | 597 |
| 2019 | 579 | 594 |
| 2020 | 540 | 630 |
| 2021 | 492 | 542 |
| 2022 | 431 | 519 |
| 2023 | 406 | 344 |
| 2024 | 385 | 298 |
| 2025 | 311 | 244 |
| 2026 | 138 | 124 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wireless sprinkler valve system6 Oct 2026US 12,751,384 B1Rain Bird Corporation
- Systems and methods for sensor monitoring and sensor-related calculations6 Oct 2026US 12,756,958 B2Lizard Monitoring LLC
- Telemetric devices and methods of dynamic transmission frequency6 Oct 2026US 12,756,959 B2Silicon Controls Pty Ltd.
- Conveyance system29 Sep 2026US 12,750,293 B2Murata Machinery, Ltd.
- Secure communication for commissioning and decommissioning circuit breakers and panel system29 Sep 2026US 12,750,674 B2Leviton Manufacturing Co., Inc.
- Computing device headset input8 Oct 2026US 2026/0310399 A1Microsoft Technology Licensing, LLC
- Systems and Methods for Improved Asset Monitoring via Orientation Measurement8 Oct 2026US 2026/0313274 A1Silicon Controls Pty Ltd.
- Distributed photovoltaic operation management system1 Oct 2026US 2026/0301083 A1Huaneng Power International Inc. Anhui Wind Power Branch
- Dynamic telemetry optimization1 Oct 2026US 2026/0303530 A1Dell Products L. P.
- Fixed system energy consumption in multi-user energy consumption reporting24 Sep 2026US 2026/0292372 A1InterDigital Patent Holdings, Inc.
Most cited
By later US patents
- System and method for monitoring and controlling remote devices1,585US 6,437,692 B1StatSignal Systems, Inc. · 2002
- Surgical instrument battery pack with voltage polling1,192US 9,974,539 B2Ethicon, Inc. · 2018
- Surgical instrument battery pack with power profile emulation1,041US 9,833,239 B2Ethicon, Inc. · 2017
- Network for portable patient monitoring devices677US 5,319,363 AThe General Hospital Corporation · 1994
- System and method for monitoring and controlling remote devices596US 7,053,767 B2StatSignal Systems, Inc. · 2006