H04H 20/55
For traffic information
Official title: for traffic information
H04H20/55 (For traffic information) appears on 229 US grants and 189 published applications in this corpus.
Search patents in H04H- Granted patents
- 229
- Published applications
- 189
- Assignees
- 91
- Inventors
- 327
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 11 | 0 |
| 1999 | 13 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 1 |
| 2002 | 3 | 2 |
| 2003 | 5 | 1 |
| 2004 | 1 | 2 |
| 2005 | 4 | 6 |
| 2006 | 2 | 6 |
| 2007 | 2 | 20 |
| 2008 | 1 | 9 |
| 2009 | 3 | 26 |
| 2010 | 15 | 24 |
| 2011 | 29 | 17 |
| 2012 | 21 | 12 |
| 2013 | 12 | 3 |
| 2014 | 16 | 11 |
| 2015 | 5 | 7 |
| 2016 | 12 | 11 |
| 2017 | 6 | 6 |
| 2018 | 8 | 8 |
| 2019 | 12 | 5 |
| 2020 | 4 | 4 |
| 2021 | 7 | 3 |
| 2022 | 3 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Limiting content of travel-related messages11 Feb 2025US 12,224,878 B2iHeart Media Management Services, Inc.
- High resolution encoding and transmission of traffic information3 Sep 2024US 12,080,162 B2Sirius XM Radio Inc.
- Method and apparatus for enhanced playback of content while switching among channels of broadcast or streamed content while being received (Tune Start)9 Jan 2024US 11,870,547 B2Sirius XM Radio Inc.
- Method of processing traffic information and digital broadcast system12 Dec 2023US RE49,757 E1LG Electronics Inc.
- Generation of travel-related reporting messages15 Nov 2022US 11,502,866 B2iHeartMedia Management Services, Inc.
- Method of transmitting radio data, method of receiving radio data, and radio data processing device13 Nov 2025US 2025/0350915 A1Hyundai Mobis Co., Ltd.
- High resolution encoding and transmission of traffic information18 Sep 2025US 2025/0292675 A1Sirius XM Radio Inc.
- Method and apparatus for enhanced playback of content while switching among channels of broadcast or streamed content while being received ("tune start")12 Dec 2024US 2024/0413919 A1Sirius XM Radio Inc.
- Method and apparatus for enhanced playback of content while switching among channels of broadcast or streamed content while being received (tune start)9 Mar 2023US 2023/0070871 A1Sirius XM Radio Inc.
- Limiting content of travel-related messages2 Mar 2023US 2023/0068839 A1iHeartMedia Management Services, Inc.
Most cited
By later US patents
- Device for receiving and processing road information213US 4,907,159 AU. S. Philips Corporation · 1990
- Telematic device for a motor vehicle213US 6,282,491 B1Robert Bosch GmbH · 2001
- Radio receiver, in particular a vehicle radio receiver157US 6,647,251 B1Robert Bosch GmbH · 2003
- Annunciator system with mobile receivers136US 5,784,006 A1998
- Apparatus, method and system for mobile broadcast of information specific to a geographic region110US 6,169,894 ALucent Technologies Inc. · 2001