H04M 15/28
Arrangements for metering, time-control or time indication: with meter at substation or
Official title: with meter at substation {or with calculation of charges at terminal}
H04M15/28 (Arrangements for metering, time-control or time indication: with meter at substation or) appears on 461 US grants and 321 published applications in this corpus.
Search patents in H04M- Granted patents
- 461
- Published applications
- 321
- Assignees
- 213
- Inventors
- 813
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 25 | 0 |
| 2000 | 19 | 0 |
| 2001 | 24 | 8 |
| 2002 | 17 | 23 |
| 2003 | 14 | 25 |
| 2004 | 8 | 26 |
| 2005 | 11 | 13 |
| 2006 | 7 | 15 |
| 2007 | 14 | 13 |
| 2008 | 12 | 14 |
| 2009 | 10 | 13 |
| 2010 | 7 | 12 |
| 2011 | 8 | 7 |
| 2012 | 12 | 5 |
| 2013 | 17 | 14 |
| 2014 | 17 | 16 |
| 2015 | 31 | 33 |
| 2016 | 16 | 19 |
| 2017 | 26 | 12 |
| 2018 | 12 | 12 |
| 2019 | 13 | 9 |
| 2020 | 11 | 9 |
| 2021 | 7 | 6 |
| 2022 | 5 | 5 |
| 2023 | 4 | 5 |
| 2024 | 7 | 3 |
| 2025 | 2 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device-assisted services for protecting network capacity14 Apr 2026US 12,603,845 B2Headwater Research LLC
- Charging for the use of resources in a distributed network10 Mar 2026US 12,572,963 B2Dfinity Stiftung
- Transmission in a wireless communication network6 Jan 2026US 12,519,670 B2Telefonaktiebolaget LM Ericsson (publ)
- Charging for timing resiliency service29 Jul 2025US 12,375,611 B2Ofinno, LLC
- Synchronous interfacing with unaffiliated networked systems to alter functionality of sets of electronic assets25 Feb 2025US 12,238,051 B2Wells Fargo Bank, N. A.
- Device-Assisted Services for Protecting Network Capacity4 Dec 2025US 2025/0373612 A1Headwater Research LLC
- Method for calibrating satellite short message communication charging and device20 Mar 2025US 2025/0097352 A1Huawei Technologies Co., Ltd.
- Device-Assisted Services for Protecting Network Capacity6 Mar 2025US 2025/0080370 A1Headwater Research LLC
- Device Group Partitions and Settlement Platform16 Jan 2025US 2025/0023749 A1Headwater Research LLC
- Communication device and radio communication method28 Nov 2024US 2024/0397293 A1Ntt Docomo, Inc.
Most cited
By later US patents
- System for selective communication connection based on transaction pricing signals599US 5,802,502 ABritish Telecommunications Public Ltd.Co. · 1998
- Mobile phone with internal accounting497US 5,577,100 ATelemac Cellular Corporation · 1996
- Mobile phone system with host processor coordination and internal mobile phone accounting capabilities350US 6,650,887 B2Telemac Corporation · 2003
- Mobile phone with internal call accounting controls349US 5,625,669 ATelemac Cellular Corporation · 1997
- Prepayment method utilizing credit information stored in mobile terminals for accessing wireless telecommunication networks328US 6,070,067 ATelefonaktiebolaget LM Ericsson · 2000