H04W 74/085
Collision avoidance
Official title: {collision avoidance}
H04W74/085 (Collision avoidance) appears on 1,190 US grants and 1,499 published applications in this corpus.
Search patents in H04W- Granted patents
- 1,190
- Published applications
- 1,499
- Assignees
- 315
- Inventors
- 2,079
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 10 |
| 2003 | 5 | 5 |
| 2004 | 1 | 8 |
| 2005 | 3 | 15 |
| 2006 | 10 | 7 |
| 2007 | 7 | 11 |
| 2008 | 6 | 19 |
| 2009 | 9 | 18 |
| 2010 | 14 | 29 |
| 2011 | 10 | 27 |
| 2012 | 25 | 67 |
| 2013 | 34 | 88 |
| 2014 | 63 | 71 |
| 2015 | 75 | 88 |
| 2016 | 83 | 92 |
| 2017 | 79 | 97 |
| 2018 | 72 | 105 |
| 2019 | 99 | 144 |
| 2020 | 120 | 99 |
| 2021 | 95 | 83 |
| 2022 | 74 | 124 |
| 2023 | 79 | 84 |
| 2024 | 85 | 69 |
| 2025 | 91 | 78 |
| 2026 | 39 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Signal transmission method and device in wireless communication system8 Oct 2026US 2026/0313716 A1Wilus Institute of Standards and Technology Inc.
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Most cited
By later US patents
- Bandwidth reservation and collision resolution method for multiple access communication networks where remote hosts send reservation requests to a base station for randomly chosen minislots382US 6,115,390 ALucent Technologies Inc. · 2000
- NFC collision avoidance with controllable NFC transmission delay timing192US 9,723,635 B2Sony Corporation · 2017
- Signaling over cellular networks to reduce the Wi-Fi energy consumption of mobile devices187US 8,358,975 B2Microsoft Corporation · 2013
- Dynamic real-time tiered client access143US 8,219,129 B2Proxense, LLC · 2012
- Methods and apparatus for random backoff based access priority in a communications system134US 6,594,240 B1Lucent Technologies Inc. · 2003