H04M 17/20
Prepayment of wireline communication systems, wireless communication systems or telephone systems: with
Official title: {with provision for recharging the prepaid account or card, or for credit establishment}
H04M17/20 (Prepayment of wireline communication systems, wireless communication systems or telephone systems: with) appears on 410 US grants and 435 published applications in this corpus.
Search patents in H04M- Granted patents
- 410
- Published applications
- 435
- Assignees
- 217
- Inventors
- 805
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 13 | 0 |
| 2001 | 16 | 10 |
| 2002 | 12 | 18 |
| 2003 | 17 | 32 |
| 2004 | 10 | 39 |
| 2005 | 16 | 29 |
| 2006 | 21 | 24 |
| 2007 | 18 | 22 |
| 2008 | 16 | 13 |
| 2009 | 11 | 23 |
| 2010 | 19 | 17 |
| 2011 | 16 | 24 |
| 2012 | 19 | 9 |
| 2013 | 16 | 19 |
| 2014 | 18 | 24 |
| 2015 | 17 | 21 |
| 2016 | 15 | 17 |
| 2017 | 13 | 15 |
| 2018 | 15 | 19 |
| 2019 | 20 | 16 |
| 2020 | 22 | 10 |
| 2021 | 10 | 6 |
| 2022 | 10 | 8 |
| 2023 | 5 | 9 |
| 2024 | 9 | 5 |
| 2025 | 5 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for providing telecommunication service21 Jul 2026US 12,689,875 B2Boost SubscriberCo L.L.C.
- Managing a charging operation in a communication network10 Mar 2026US 12,574,463 B2Telefonaktiebolaget LM Ericsson (publ)
- Inmate initiated video visitation system16 Dec 2025US 12,500,996 B2HomeWAV, LLC
- Method and apparatus for information exchange in online charging12 Aug 2025US 12,388,933 B2Huawei Technologies Co., Ltd.
- Systems and methods for digital account activation22 Jul 2025US 12,367,482 B2Wells Fargo Bank, N. A.
- Methods and systems for emotive and contextual messaging11 Jun 2026US 2026/0163847 A1OnePIN, Inc.
- Application Awareness of Credit Conditions in Communication Network23 Apr 2026US 2026/0113407 A1
- Computer implemented video visitation method for incarcerated inmates and visitors9 Apr 2026US 2026/0101018 A1HomeWAV, LLC
- Systems and methods for digital account activation16 Oct 2025US 2025/0322385 A1Wells Fargo Bank, N. A.
- System And Method For Adding Funds to a Prepaid Account for a Mobile Device Associated with Multiple Communication Profiles10 Jul 2025US 2025/0227111 A17-TEL, Inc.
Most cited
By later US patents
- Pre-paid card system and method596US 5,577,109 ACall Processing, Inc. · 1996
- Mobile phone with internal accounting497US 5,577,100 ATelemac Cellular Corporation · 1996
- System and method for administration of an incentive award system having a delayed award payment using a credit instrument474US 6,222,914 B12001
- Account/asset activation device and method427US 6,829,596 B12004
- Telephone pre-paid calling card system and method389US 5,511,114 ACall Processing, Inc. · 1996