H04Q 9/14
Calling by using pulses
H04Q9/14 (Calling by using pulses) appears on 279 US grants and 84 published applications in this corpus.
Search patents in H04Q- Granted patents
- 279
- Published applications
- 84
- Assignees
- 156
- Inventors
- 468
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 13 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 13 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 12 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 4 | 18 |
| 2016 | 6 | 11 |
| 2017 | 6 | 11 |
| 2018 | 15 | 3 |
| 2019 | 14 | 7 |
| 2020 | 6 | 6 |
| 2021 | 3 | 7 |
| 2022 | 6 | 1 |
| 2023 | 4 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Remote control device, electronic device and control methods thereof6 Jan 2026US 12,520,000 B2Samsung Electronics Co., Ltd.
- Fault tolerant interface for safety controls17 Jun 2025US 12,332,642 B2Parker-Hannifin Corporation
- Systems and methods for a continuous monitoring of analyte values27 Aug 2024US 12,070,306 B2DexCom, Inc.
- Detection device6 Feb 2024US 11,892,186 B2Toshiba Carrier Corporation
- Systems and methods for a continuous monitoring of analyte values22 Aug 2023US 11,730,402 B2DexCom, Inc.
- Remote control device, electronic device and control methods thereof2 Apr 2026US 2026/0095613 A1Samsung Electronics Co., Ltd.
- Systems and methods for a continuous monitoring of analyte values31 Oct 2024US 2024/0358281 A1DexCom, Inc.
- Remote control device, electronic device and control methods thereof28 Mar 2024US 2024/0107102 A1Samsung Electronics Co., Ltd.
- Systems and methods for a continuous monitoring of analyte values2 Nov 2023US 2023/0346267 A1DexCom, Inc.
- Fault tolerant interface for safety controls2 Feb 2023US 2023/0032795 A1Parker-Hannifin Corporation
Most cited
By later US patents
- Communications protocol for remote data generating stations402US 5,673,252 AItron, Inc. · 1997
- Sensor actuator bus system391US 5,469,150 AHoneywell Inc. · 1995
- Radio communication network for remote data generating stations333US 5,553,094 AIris Systems Inc. · 1996
- Wide area communications network for remote data generating stations296US 5,963,146 AItron, Inc. · 1999
- Data communications system273US 4,860,379 AGeneral Instrument Corporation · 1989