H04M 3/5335
Message type or catagory
Official title: {Message type or catagory, e.g. priority, indication}
H04M3/5335 (Message type or catagory) appears on 152 US grants and 155 published applications in this corpus.
Search patents in H04M- Granted patents
- 152
- Published applications
- 155
- Assignees
- 97
- Inventors
- 337
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 12 |
| 2003 | 5 | 8 |
| 2004 | 3 | 3 |
| 2005 | 1 | 4 |
| 2006 | 2 | 3 |
| 2007 | 2 | 5 |
| 2008 | 3 | 8 |
| 2009 | 3 | 8 |
| 2010 | 1 | 7 |
| 2011 | 3 | 6 |
| 2012 | 11 | 8 |
| 2013 | 12 | 7 |
| 2014 | 13 | 10 |
| 2015 | 10 | 10 |
| 2016 | 8 | 9 |
| 2017 | 9 | 9 |
| 2018 | 10 | 6 |
| 2019 | 6 | 2 |
| 2020 | 3 | 3 |
| 2021 | 5 | 6 |
| 2022 | 6 | 3 |
| 2023 | 3 | 6 |
| 2024 | 5 | 3 |
| 2025 | 5 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Identifying a voicemail message as spam based on a similarity to a spam message4 Aug 2026US 12,701,189 B2Zoom Communications, Inc.
- Preventing deep fake voicemail scams7 Apr 2026US 12,598,251 B2Kyndryl, Inc.
- Voicemail handling30 Dec 2025US 12,513,245 B2Microsoft Technology Licensing, LLC
- Analyzing monitoring system events using natural language processing (NLP)18 Nov 2025US 12,475,321 B2The ADT Security Corporation
- Systems and methods for smart dialogue communication14 Oct 2025US 12,445,556 B2Hithink Royalflush Information Network Co., Ltd.
- System and method for handling unwanted calls and messages24 Sep 2026US 2026/0292056 A1AT&T Intellectual Property I, L. P.
- Voicemail handling26 Mar 2026US 2026/0089264 A1Microsoft Technology Licensing, LLC
- Systems and methods for smart dialogue communication5 Feb 2026US 2026/0039751 A1Hithink Royalflush Information Network Co., Ltd.
- Ai agent in visual voicemail daemon11 Sep 2025US 2025/0286954 A1Apple Inc.
- Enhancing voicemail accessibility for mobile virtual network operators (mvno) users through a media storage system14 Aug 2025US 2025/0260769 A1T-Mobile USA, Inc.
Most cited
By later US patents
- Method and apparatus for selecting and playing a voice mail message511US 5,568,540 AActive Voice Corporation · 1996
- Group-oriented communications user interface299US 5,579,472 ANovalink Technologies, Inc. · 1996
- Retrieval of deleted voice messages in voice messaging system299US 7,558,381 B1Agere Systems Inc. · 2009
- Electronic audio communication system255US 4,371,752 AECS Telecommunications, Inc. · 1983
- Telephone auto attendant system for delivering chosen greetings to callers while on the phone243US 5,533,102 AActive Voice Corporation · 1996