H04M 1/667
Preventing unauthorised calls from a telephone set
Official title: Preventing unauthorised calls from a telephone set (H04M1/677 takes precedence)
H04M1/667 (Preventing unauthorised calls from a telephone set) appears on 1,669 US grants and 1,865 published applications in this corpus.
Search patents in H04M- Granted patents
- 1,669
- Published applications
- 1,865
- Assignees
- 591
- Inventors
- 3,340
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 11 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 21 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 8 |
| 2002 | 18 | 32 |
| 2003 | 13 | 28 |
| 2004 | 14 | 40 |
| 2005 | 15 | 55 |
| 2006 | 35 | 66 |
| 2007 | 31 | 53 |
| 2008 | 37 | 60 |
| 2009 | 35 | 58 |
| 2010 | 30 | 83 |
| 2011 | 36 | 84 |
| 2012 | 70 | 98 |
| 2013 | 86 | 159 |
| 2014 | 101 | 138 |
| 2015 | 97 | 172 |
| 2016 | 128 | 152 |
| 2017 | 140 | 123 |
| 2018 | 132 | 119 |
| 2019 | 121 | 102 |
| 2020 | 112 | 91 |
| 2021 | 73 | 42 |
| 2022 | 58 | 28 |
| 2023 | 43 | 24 |
| 2024 | 27 | 27 |
| 2025 | 19 | 18 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- System and apparatus for selectively limiting user control of an electronic device4 Aug 2026US 12,701,417 B2Yondr, Inc.
- Virtual subscriber identity module for mobile communication device16 Jun 2026US 12,659,379 B2Simo Holdings Inc.
- Methods and systems for controlling access to an electronic device21 Apr 2026US 12,610,240 B2Yondr, Inc.
- Devices, Methods, and Graphical User Interfaces for Providing a Home Button Replacement8 Oct 2026US 2026/0310305 A1Apple Inc.
- Virtual subscriber identity module for mobile communication device1 Oct 2026US 2026/0303695 A1Simo Holdings Inc.
- Methods and systems for automatic discovery of fraudulent calls using speaker recognition12 Mar 2026US 2026/0075130 A1Capital One Services, LLC
- Methods and systems for controlling access to an electronic device5 Feb 2026US 2026/0040076 A1Yondr, Inc.
- Devices, Methods, and Graphical User Interfaces for Accessing Notifications1 Jan 2026US 2026/0003494 A1Apple Inc.
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
- Portable authentication device and method using iris patterns507US 6,532,298 B1Iridian Technologies, Inc. · 2003
- System and method for authentication of caller identification478US 6,324,271 B1Nortel Networks Limited · 2001