H04M 1/66
Substation equipment: with means for preventing unauthorised or fraudulent calling
Official title: with means for preventing unauthorised or fraudulent calling (verifying user identity or authority in secret or secure digital communications H04L9/32)
H04M1/66 (Substation equipment: with means for preventing unauthorised or fraudulent calling) appears on 3,499 US grants and 3,574 published applications in this corpus.
Search patents in H04M- Granted patents
- 3,499
- Published applications
- 3,574
- Assignees
- 1,062
- Inventors
- 6,521
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 11 | 0 |
| 1983 | 11 | 0 |
| 1984 | 18 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 14 | 0 |
| 1989 | 34 | 0 |
| 1990 | 24 | 0 |
| 1991 | 17 | 0 |
| 1992 | 18 | 0 |
| 1993 | 23 | 0 |
| 1994 | 21 | 0 |
| 1995 | 35 | 0 |
| 1996 | 40 | 0 |
| 1997 | 44 | 0 |
| 1998 | 62 | 0 |
| 1999 | 80 | 0 |
| 2000 | 71 | 0 |
| 2001 | 63 | 43 |
| 2002 | 70 | 118 |
| 2003 | 56 | 106 |
| 2004 | 74 | 135 |
| 2005 | 55 | 165 |
| 2006 | 86 | 184 |
| 2007 | 102 | 194 |
| 2008 | 88 | 181 |
| 2009 | 86 | 164 |
| 2010 | 97 | 200 |
| 2011 | 113 | 146 |
| 2012 | 163 | 155 |
| 2013 | 203 | 249 |
| 2014 | 203 | 224 |
| 2015 | 163 | 241 |
| 2016 | 214 | 223 |
| 2017 | 201 | 167 |
| 2018 | 193 | 155 |
| 2019 | 173 | 137 |
| 2020 | 153 | 119 |
| 2021 | 105 | 76 |
| 2022 | 87 | 60 |
| 2023 | 66 | 46 |
| 2024 | 45 | 43 |
| 2025 | 35 | 32 |
| 2026 | 21 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Activating display and performing additional function in mobile terminal with one-time user input1 Sep 2026US 12,725,184 B2Firstface Co., Ltd.
- Wearable electronic device with hardware secured camera25 Aug 2026US 12,720,185 B2Snap Inc.
- Dynamic modification of error mapping operations during communication operations11 Aug 2026US 12,707,005 B2Boost SubscriberCo L.L.C.
- Routing a telephone call to an alias voicemail system11 Aug 2026US 12,707,012 B2Orange
- Mobile application for prioritized communication4 Aug 2026US 12,701,182 B2Glolink Technologies Inc.
- Devices, Methods, and Graphical User Interfaces for Providing a Home Button Replacement8 Oct 2026US 2026/0310305 A1Apple Inc.
- Wireless network call blocking control8 Oct 2026US 2026/0313346 A1AT&T Intellectual Property I, L. P.
- Virtual subscriber identity module for mobile communication device1 Oct 2026US 2026/0303695 A1Simo Holdings Inc.
- System and method for mitigating robocalls with false positive elimination for valid subscribers14 May 2026US 2026/0135944 A1AT&T Intellectual Property I, L. P.
- Systems and methods for users to receive and/or reply to information affiliated with communication attempts while remaining substantially disconnected from mobile electronic device(s) and/or network(s)30 Apr 2026US 2026/0122448 A1
Most cited
By later US patents
- Unlocking a device by performing gestures on an unlock image1,368US 7,657,849 B2Apple Inc. · 2010
- Wireless communications apparatus and method1,036US 7,146,191 B2United States Thermoelectric Consortium · 2006
- Method and apparatus for controlling and securing mobile phones that are lost, stolen or misused786US 6,662,023 B1Nokia Mobile Phones Ltd. · 2003
- Method and system for managing telecommunications such as telephone calls730US 5,327,486 ABell Communications Research, Inc. · 1994
- Method and apparatus for selecting and playing a voice mail message511US 5,568,540 AActive Voice Corporation · 1996