H04M 3/22
Arrangements for supervision, monitoring or testing
H04M3/22 (Arrangements for supervision, monitoring or testing) appears on 7,041 US grants and 5,143 published applications in this corpus.
Search patents in H04M- Granted patents
- 7,041
- Published applications
- 5,143
- Assignees
- 1,685
- Inventors
- 11,145
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 26 | 0 |
| 1978 | 23 | 0 |
| 1979 | 19 | 0 |
| 1980 | 23 | 0 |
| 1981 | 28 | 0 |
| 1982 | 26 | 0 |
| 1983 | 31 | 0 |
| 1984 | 40 | 0 |
| 1985 | 48 | 0 |
| 1986 | 58 | 0 |
| 1987 | 55 | 0 |
| 1988 | 46 | 0 |
| 1989 | 57 | 0 |
| 1990 | 45 | 0 |
| 1991 | 36 | 0 |
| 1992 | 38 | 0 |
| 1993 | 60 | 0 |
| 1994 | 77 | 0 |
| 1995 | 101 | 0 |
| 1996 | 109 | 0 |
| 1997 | 108 | 0 |
| 1998 | 179 | 0 |
| 1999 | 215 | 0 |
| 2000 | 144 | 0 |
| 2001 | 186 | 68 |
| 2002 | 207 | 251 |
| 2003 | 185 | 250 |
| 2004 | 225 | 250 |
| 2005 | 147 | 240 |
| 2006 | 223 | 256 |
| 2007 | 201 | 220 |
| 2008 | 157 | 239 |
| 2009 | 170 | 206 |
| 2010 | 206 | 185 |
| 2011 | 177 | 168 |
| 2012 | 255 | 176 |
| 2013 | 246 | 179 |
| 2014 | 276 | 219 |
| 2015 | 275 | 278 |
| 2016 | 294 | 271 |
| 2017 | 283 | 212 |
| 2018 | 231 | 162 |
| 2019 | 296 | 230 |
| 2020 | 270 | 180 |
| 2021 | 184 | 185 |
| 2022 | 192 | 194 |
| 2023 | 193 | 159 |
| 2024 | 158 | 141 |
| 2025 | 123 | 124 |
| 2026 | 73 | 100 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04M 3/26With means for applying test signals or for measuring1,865
- H04M 3/2281Call monitoring1,451
- H04M 3/2218Call detail recording1,129
- H04M 3/36Statistical metering1,023
- H04M 3/2254In networks543
- H04M 3/24With provision for checking the normal operation484
- H04M 3/2227Quality of service monitoring409
- H04M 3/2236Quality of speech transmission monitoring395
Recent patents
- Detection and methods for handling a TDOS attack6 Oct 2026US 12,756,776 B2Intrado Life & Safety, Inc.
- Automated call list based on similar discussions29 Sep 2026US 12,750,443 B2The Toronto-Dominion Bank
- Systems and methods for blocking or allowing calls in a wireless network29 Sep 2026US 12,750,444 B2Verizon Patent and Licensing Inc.
- System and method for restricting bit rate for enhanced voice services (EVS)22 Sep 2026US 12,744,850 B2Jio Platforms Limited
- Interactive calling assistance system with artificial intelligence8 Sep 2026US 12,732,578 B2Capital One Services, LLC
- Methods, controllers, and machine-readable storage media for automated commissioning of equipment8 Oct 2026US 2026/0313820 A1PassiveLogic, Inc.
- Bot factory environment1 Oct 2026US 2026/0299977 A1American Express Travel Related Services Company, Inc.
- System having a drive and a smartphone1 Oct 2026US 2026/0302974 A1Sew-Eurodrive GmbH & Co. KG
- System and method for handling unwanted calls and messages24 Sep 2026US 2026/0292056 A1AT&T Intellectual Property I, L. P.
- System24 Sep 2026US 2026/0292057 A1SoftBank Group Corp.
Most cited
By later US patents
- System and method for generating a dynamic interface via a communications network2,178US 6,850,949 B2Right Now Technologies, Inc. · 2005
- Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access584US 7,106,843 B1T-Netix, Inc. · 2006
- System and method for providing an on-line directory service580US 5,850,433 ASprint Communication Company L.P. · 1998
- Method and apparatus for determining and initiating interaction directionality within a multimedia communication center530US 6,170,011 AGenesys Telecommunications Laboratories, Inc. · 2001
- System and method for detecting fraudulent network usage patterns using real-time network monitoring519US 5,627,886 AElectronic Data Systems Corporation · 1997