H04M 15/04
Recording calls , or communications in printed, perforated or other permanent form
Official title: Recording calls {, or communications} in printed, perforated or other permanent form
H04M15/04 (Recording calls , or communications in printed, perforated or other permanent form) appears on 771 US grants and 789 published applications in this corpus.
Search patents in H04M- Granted patents
- 771
- Published applications
- 789
- Assignees
- 361
- Inventors
- 1,464
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 10 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 6 |
| 2002 | 20 | 28 |
| 2003 | 31 | 52 |
| 2004 | 33 | 68 |
| 2005 | 37 | 69 |
| 2006 | 30 | 99 |
| 2007 | 57 | 88 |
| 2008 | 23 | 26 |
| 2009 | 33 | 34 |
| 2010 | 44 | 40 |
| 2011 | 36 | 43 |
| 2012 | 53 | 38 |
| 2013 | 56 | 36 |
| 2014 | 53 | 26 |
| 2015 | 48 | 22 |
| 2016 | 28 | 24 |
| 2017 | 19 | 16 |
| 2018 | 27 | 13 |
| 2019 | 19 | 12 |
| 2020 | 12 | 7 |
| 2021 | 9 | 12 |
| 2022 | 9 | 12 |
| 2023 | 9 | 4 |
| 2024 | 9 | 7 |
| 2025 | 6 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Techniques for call authentication11 Aug 2026US 12,707,270 B2Capital One Services, LLC
- Producing routing information for voice over IP communications4 Aug 2026US 12,701,077 B2VolP-Pal.com, Inc.
- Method and system for controlling scam phone calls13 Jan 2026US 12,526,370 B2Araxxe
- Dynamic enhanced call data assignment based on called numbers30 Sep 2025US 12,432,297 B2First Orion Corp.
- Determining a time to permit a communications session to be conducted19 Aug 2025US 12,395,425 B2VolP-Pal.com, Inc.
- Leakage prevention in multi-vendor smf solution deployment17 Sep 2026US 2026/0280915 A1T-Mobile Innovations LLC
- Dynamic enhanced call data assignment based on called numbers1 Jan 2026US 2026/0006124 A1First Orion Corp.
- Determining a Time to Permit a Communications Session to be Conducted4 Dec 2025US 2025/0373732 A1Voip-Pal.Com, Inc.
- Telephonic fraud communication interception systems and methods30 Oct 2025US 2025/0337834 A1Wells Fargo Bank, N. A.
- System and method for identifying unwanted communications using communication fingerprinting17 Apr 2025US 2025/0126198 A1YouMail, Inc.
Most cited
By later US patents
- System and method for billing for transactions conducted over the internet from within an intranet395US 5,845,267 AAT&T Corp. · 1998
- Enhanced subscriber IP alerting362US 6,826,173 B1AT&T Corp. · 2004
- Interactive billing control system301US 6,639,975 B1Microsoft Corporation · 2003
- One number intelligent call processing system291US 5,901,214 AMurex Securities, Ltd. · 1999
- Method and apparatus for improving listener differentiation of talkers during a conference call241US 6,882,971 B2General Instrument Corporation · 2005