H04M 3/58
Arrangements for transferring received calls from one subscriber to another
Official title: Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party (substation line holding circuits H04M1/80)
H04M3/58 (Arrangements for transferring received calls from one subscriber to another) appears on 673 US grants and 515 published applications in this corpus.
Search patents in H04M- Granted patents
- 673
- Published applications
- 515
- Assignees
- 292
- Inventors
- 1,313
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 22 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 13 |
| 2002 | 21 | 15 |
| 2003 | 11 | 18 |
| 2004 | 20 | 18 |
| 2005 | 15 | 23 |
| 2006 | 26 | 24 |
| 2007 | 15 | 22 |
| 2008 | 11 | 19 |
| 2009 | 12 | 23 |
| 2010 | 17 | 29 |
| 2011 | 12 | 18 |
| 2012 | 23 | 19 |
| 2013 | 31 | 21 |
| 2014 | 27 | 23 |
| 2015 | 28 | 25 |
| 2016 | 27 | 20 |
| 2017 | 37 | 33 |
| 2018 | 30 | 28 |
| 2019 | 40 | 24 |
| 2020 | 46 | 19 |
| 2021 | 24 | 11 |
| 2022 | 17 | 7 |
| 2023 | 18 | 22 |
| 2024 | 13 | 19 |
| 2025 | 25 | 15 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transfer of a voice call at a software as a service platform9 Jun 2026US 12,652,353 B2Twilio Inc.
- Multi-device joint call method and apparatus9 Jun 2026US 12,652,516 B2Yinwang Intelligent Technologies Co., Ltd.
- Method and system for transferring a call from a means of transportation to a mobile terminal13 Jan 2026US 12,526,878 B2Bayerische Motoren Werke Aktiengesellschaft
- Communication management device, communication management method, communication management program, and communication management system30 Dec 2025US 12,513,247 B2Itall Inc.
- System and method for improved remote collaboration during a call11 Nov 2025US 12,470,656 B2Micro Macro Assets LLC
- Systems and methods facilitating a personalized audio content directed to and following a user via a sequence of continuous handoffs among multiple speakers11 Jun 2026US 2026/0164175 A1AT&T Intellectual Property I, L. P.
- Graceful transfer of call or text conversation from artificial intelligence agent to human agent30 Apr 2026US 2026/0119808 A1Marr Labs Technologies, Inc.
- Systems for transitioning telephony-based and in-person servicing interactions to and from an artificial intelligence (ai) chat session19 Mar 2026US 2026/0081995 A1Capital One Services, LLC
- Synchronous cross-experience party-based engagement5 Mar 2026US 2026/0067341 A1Roblox Corporation
- System and Method for Behavior Tracking and Corrective Actions in Sales and Marketing12 Feb 2026US 2026/0046358 A1Micro Macro Assets LLC
Most cited
By later US patents
- Area wide centrex423US 5,247,571 ABell Atlantic Network Services, Inc. · 1993
- Method of providing transfer capability on web-based interactive voice response services393US 6,600,736 B1Lucent Technologies Inc. · 2003
- Customer programmable automated integrated voice/data technique for communication systems281US 5,001,710 AAT&T Bell Laboratories · 1991
- Automated survey control routine in a call center environment278US 5,943,416 AGenesys Telecommunications Laboratories, Inc. · 1999
- Context-sensitive presentation of information to call-center agents248US 5,757,904 ALucent Technologies Inc. · 1998