H04M 1/6041
Portable telephones adapted for handsfree use
Official title: {Portable telephones adapted for handsfree use}
H04M1/6041 (Portable telephones adapted for handsfree use) appears on 4,471 US grants and 5,413 published applications in this corpus.
Search patents in H04M- Granted patents
- 4,471
- Published applications
- 5,413
- Assignees
- 1,229
- Inventors
- 8,325
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 15 | 0 |
| 1994 | 17 | 0 |
| 1995 | 23 | 0 |
| 1996 | 29 | 0 |
| 1997 | 24 | 0 |
| 1998 | 41 | 0 |
| 1999 | 47 | 0 |
| 2000 | 64 | 0 |
| 2001 | 74 | 42 |
| 2002 | 63 | 138 |
| 2003 | 67 | 156 |
| 2004 | 78 | 214 |
| 2005 | 77 | 235 |
| 2006 | 118 | 242 |
| 2007 | 117 | 310 |
| 2008 | 92 | 294 |
| 2009 | 116 | 272 |
| 2010 | 127 | 261 |
| 2011 | 221 | 237 |
| 2012 | 269 | 261 |
| 2013 | 248 | 297 |
| 2014 | 296 | 264 |
| 2015 | 221 | 313 |
| 2016 | 297 | 297 |
| 2017 | 288 | 293 |
| 2018 | 255 | 222 |
| 2019 | 265 | 218 |
| 2020 | 219 | 180 |
| 2021 | 160 | 172 |
| 2022 | 145 | 153 |
| 2023 | 116 | 134 |
| 2024 | 107 | 89 |
| 2025 | 99 | 76 |
| 2026 | 40 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Initiating voice communication between two or more communications devices29 Sep 2026US 12,750,439 B2
- Multi-source audio broadcast to an audio sink device8 Sep 2026US 12,730,604 B2Harman International Industries, Incorporated
- Face masks and method of fabricating face mask1 Sep 2026US 12,722,029 B2Razer (Asia-Pacific) Pte. Ltd.
- State-dependent query response25 Aug 2026US 12,717,858 B2Google Inc.
- System and method for wireless audio connectivity detection and routing of an incoming call25 Aug 2026US 12,719,977 B2Motorola Solutions, Inc.
- High Bitrate Audio Wireless Communication1 Oct 2026US 2026/0304086 A1Google Inc.
- Method and System for Establishing a Unified Communication Interface for Audio Streaming24 Sep 2026US 2026/0292385 A1Apple Inc.
- Pairing with companion device10 Sep 2026US 2026/0267140 A1Magic Leap, Inc.
- Integrated in-vehicle personal audio system10 Sep 2026US 2026/0267592 A1Harman International Industries, Incorporated
- Electronic device and method for transmitting packets for outputting audio, and non-transitory computer-readable recording medium27 Aug 2026US 2026/0255140 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Method of using a communications device together with another communications device, a communications system, a communications device and an accessory device for use in connection with a communications device1,777US 7,130,608 B2Telefonaktiegolaget LM Ericsson (publ) · 2006
- Hearing aid with wireless remote processor1,063US 5,721,783 A1998
- Integration of music from a personal library with real-time information1,026US 6,192,340 B12001
- System and method for communicating selected information to an electronic device959US 7,187,947 B1Affinity Labs, LLC · 2007
- Interior rearview mirror sound processing system873US 6,420,975 B1Donnelly Corporation · 2002