H04M 17/00
Prepayment of wireline communication systems, wireless communication systems or telephone systems
Official title: Prepayment {of wireline communication systems, wireless communication systems or} telephone systems (using a coded card to authorise calls from a telephone set H04M1/675)
H04M17/00 (Prepayment of wireline communication systems, wireless communication systems or telephone systems) appears on 1,892 US grants and 1,571 published applications in this corpus.
Search patents in H04M- Granted patents
- 1,892
- Published applications
- 1,571
- Assignees
- 691
- Inventors
- 3,279
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 22 | 0 |
| 1989 | 23 | 0 |
| 1990 | 32 | 0 |
| 1991 | 22 | 0 |
| 1992 | 27 | 0 |
| 1993 | 17 | 0 |
| 1994 | 25 | 0 |
| 1995 | 29 | 0 |
| 1996 | 32 | 0 |
| 1997 | 25 | 0 |
| 1998 | 60 | 0 |
| 1999 | 58 | 0 |
| 2000 | 71 | 0 |
| 2001 | 69 | 27 |
| 2002 | 60 | 88 |
| 2003 | 44 | 107 |
| 2004 | 52 | 135 |
| 2005 | 50 | 108 |
| 2006 | 67 | 80 |
| 2007 | 64 | 77 |
| 2008 | 55 | 73 |
| 2009 | 38 | 85 |
| 2010 | 53 | 63 |
| 2011 | 66 | 62 |
| 2012 | 65 | 52 |
| 2013 | 82 | 50 |
| 2014 | 84 | 71 |
| 2015 | 66 | 59 |
| 2016 | 58 | 74 |
| 2017 | 63 | 62 |
| 2018 | 54 | 50 |
| 2019 | 76 | 49 |
| 2020 | 54 | 43 |
| 2021 | 46 | 43 |
| 2022 | 34 | 43 |
| 2023 | 33 | 29 |
| 2024 | 33 | 22 |
| 2025 | 17 | 14 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04M 17/02Coin-freed or check-freed systems841
- H04M 17/10Account details or usage533
- H04M 17/20Prepayment of wireline communication systems, wireless communication systems or telephone systems: with410
- H04M 2017/12Prepayment of wireline communication systems, wireless communication systems or telephone systems: usingIndexing code136
- H04M 2017/24Prepayment of wireline communication systems, wireless communication systems or telephone systems: withIndexing code97
- H04M 2017/14Prepayment of wireline communication systems, wireless communication systems or telephone systems: usingIndexing code91
- H04M 17/35Pay as you go61
- H04M 17/30Prepayment of wireline communication systems, wireless communication systems or telephone systems: using43
All 13 subgroupsShow fewer
- H04M 2017/22Prepayment of wireline communication systems, wireless communication systems or telephone systems: withIndexing code43
- H04M 2017/25Prepayment of wireline communication systems, wireless communication systems or telephone systems: usingIndexing code43
- H04M 17/005Disposable prepaid communication devices41
- H04M 2017/26Prepayment of wireline communication systems, wireless communication systems or telephone systems: withIndexing code32
- H04M 17/01Cocot systems, i.e. private ownership of payphones13
Recent patents
- Systems and methods for providing telecommunication service21 Jul 2026US 12,689,875 B2Boost SubscriberCo L.L.C.
- Transaction object reader with configurable amplifier5 May 2026US 12,619,973 B2Block, Inc.
- Wireless communication tag17 Mar 2026US 12,581,300 B2Universal Toll Tag, Inc.
- Managing a charging operation in a communication network10 Mar 2026US 12,574,463 B2Telefonaktiebolaget LM Ericsson (publ)
- Systems and methods for generating a filtered data set6 Jan 2026US 12,519,867 B2People. ai, Inc.
- Methods and systems for emotive and contextual messaging11 Jun 2026US 2026/0163847 A1OnePIN, Inc.
- Systems and methods for generating a filtered data set7 May 2026US 2026/0129104 A1People. ai, 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
- Esim activation system and a storage device storing program15 Jan 2026US 2026/0019798 A1Sky S.p.A.
Most cited
By later US patents
- Method and system for remote delivery of retail banking services1,959US 5,220,501 AOnline Resources, Ltd. · 1993
- Targeting advertising in a home retail banking delivery service711US 5,870,724 AOnline Resources & Communications Corp. · 1999
- Mediation of transactions by a communications system676US 5,329,589 AAT&T Bell Laboratories · 1994
- System and method for using a prepaid card668US 6,473,500 B1Mastercard International Incorporated · 2002
- Pre-paid card system and method596US 5,577,109 ACall Processing, Inc. · 1996