H04M 15/887
Limit per user or user related number
Official title: {limit per user or user related number}
H04M15/887 (Limit per user or user related number) appears on 91 US grants and 88 published applications in this corpus.
Search patents in H04M- Granted patents
- 91
- Published applications
- 88
- Assignees
- 53
- Inventors
- 158
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 5 | 0 |
| 2012 | 0 | 3 |
| 2013 | 2 | 3 |
| 2014 | 3 | 9 |
| 2015 | 7 | 6 |
| 2016 | 8 | 12 |
| 2017 | 14 | 10 |
| 2018 | 10 | 9 |
| 2019 | 10 | 6 |
| 2020 | 5 | 4 |
| 2021 | 4 | 5 |
| 2022 | 4 | 3 |
| 2023 | 3 | 3 |
| 2024 | 5 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Producing routing information for voice over IP communications4 Aug 2026US 12,701,077 B2VolP-Pal.com, Inc.
- Determining a time to permit a communications session to be conducted19 Aug 2025US 12,395,425 B2VolP-Pal.com, Inc.
- Call processing system for modifying inmate communication limits29 Jul 2025US 12,375,612 B2Global Tel'Link Corporation
- Event triggered network migration of subscribers10 Dec 2024US 12,167,360 B2T-Mobile Innovations LLC
- System and method for programmatic device connectivity12 Nov 2024US 12,143,529 B2KORE Wireless Group, Inc.
- Method and system for service type-based policy counter service22 Jan 2026US 2026/0025468 A1Verizon Patent and Licensing Inc.
- Determining a Time to Permit a Communications Session to be Conducted4 Dec 2025US 2025/0373732 A1Voip-Pal.Com, Inc.
- Event Triggered Network Migration of Subscribers14 Mar 2024US 2024/0089892 A1T-Mobile Innovations LLC
- Call processing system for modifying inmate communication limits18 Jan 2024US 2024/0022669 A1Global Tel'Link Corporation
- Event Triggered Network Migration of Subscribers17 Aug 2023US 2023/0262641 A1T-Mobile Innovations LLC
Most cited
By later US patents
- Apparatus and method for detecting fraudulent telecommunication activity318US 5,345,595 ACoral Systems, Inc. · 1994
- Apparatus and method for credit based management of telecommunication activity185US 5,615,408 ACoral Systems, Inc. · 1997
- Adaptive selection of bandwidth parameters to meet a service provider pricing model172US 7,873,074 B1Avaya Inc. · 2011
- System and method for controlling outgoing telephone calls95US 6,788,772 B22004
- Second party control over mobile device usage61US 8,068,825 B2Cingular Wireless II, LLC · 2011