H04M 3/428
Arrangements for placing incoming calls on hold
H04M3/428 (Arrangements for placing incoming calls on hold) appears on 1,220 US grants and 861 published applications in this corpus.
Search patents in H04M- Granted patents
- 1,220
- Published applications
- 861
- Assignees
- 447
- Inventors
- 2,202
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 11 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 26 | 0 |
| 1997 | 26 | 0 |
| 1998 | 38 | 0 |
| 1999 | 50 | 0 |
| 2000 | 43 | 0 |
| 2001 | 54 | 20 |
| 2002 | 58 | 47 |
| 2003 | 40 | 54 |
| 2004 | 55 | 55 |
| 2005 | 48 | 59 |
| 2006 | 50 | 46 |
| 2007 | 38 | 60 |
| 2008 | 31 | 46 |
| 2009 | 33 | 44 |
| 2010 | 34 | 47 |
| 2011 | 32 | 32 |
| 2012 | 46 | 35 |
| 2013 | 53 | 41 |
| 2014 | 52 | 36 |
| 2015 | 38 | 42 |
| 2016 | 43 | 38 |
| 2017 | 33 | 23 |
| 2018 | 33 | 23 |
| 2019 | 26 | 17 |
| 2020 | 32 | 17 |
| 2021 | 25 | 19 |
| 2022 | 18 | 17 |
| 2023 | 21 | 22 |
| 2024 | 17 | 10 |
| 2025 | 15 | 9 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04M 3/4285Notifying, informing or entertaining a held party while on hold330
- H04M 3/4288Notifying a called subscriber of an incoming call during an ongoing call172
- H04M 3/4283Call holding circuits145
- H04M 3/4281When the called subscriber is connected to a data network using his104
- H04M 3/4286Notifying a held subscriber when his held call is removed from hold62
Recent patents
- Phone user interface7 Jul 2026US 12,676,927 B2Apple Inc.
- On-hold experience26 May 2026US 12,641,179 B1United Services Automobile Association (USAA)
- Method and system for estimating call durations for improved call queue management24 Mar 2026US 12,587,599 B2JPMorgan Chase Bank, N. A.
- Call prompt method, call device, readable storage medium, and chip system18 Nov 2025US 12,477,060 B2Huawei Technologies Co., Ltd.
- Call processing method and apparatus, storage medium, and electronic28 Oct 2025US 12,457,253 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Systems and methods for bonded and vetted phone transmissions17 Sep 2026US 2026/0281671 A1Ford Global Technologies, LLC
- Call engagement with a linked computing device12 Feb 2026US 2026/0046357 A1Google Inc.
- Methods and apparatus for bypassing holds18 Dec 2025US 2025/0385968 A1Google Inc.
- Electronic device and method of controlling same22 May 2025US 2025/0168912 A1Samsung Electronics Co., Ltd.
- Providing enhanced call content to a mobile device15 May 2025US 2025/0159077 A1First Orion Corp.
Most cited
By later US patents
- Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network741US 5,617,539 AVicor Corporation · 1997
- Call management system with call control from user workstation computers734US 5,946,386 AXantel Corporation · 1999
- Call notification feature for a telephone line connected to the internet657US 5,805,587 AAT&T Corp. · 1998
- Network based knowledgeable assistant644US 5,652,789 AWildfire Communications, Inc. · 1997
- Call control in video conferencing allowing acceptance and identification of participants in a new incoming call during an active teleconference595US 5,758,079 AVicor Corporation · 1998