H04L 1/1838
For semi-reliable protocols
Official title: {for semi-reliable protocols, e.g. for less sensitive applications such as streaming video (buffer level management for video bitstream receiver H04N21/44004)}
H04L1/1838 (For semi-reliable protocols) appears on 247 US grants and 268 published applications in this corpus.
Search patents in H04L- Granted patents
- 247
- Published applications
- 268
- Assignees
- 135
- Inventors
- 610
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 3 |
| 2002 | 4 | 5 |
| 2003 | 5 | 10 |
| 2004 | 4 | 8 |
| 2005 | 4 | 13 |
| 2006 | 13 | 10 |
| 2007 | 5 | 13 |
| 2008 | 7 | 16 |
| 2009 | 5 | 19 |
| 2010 | 19 | 14 |
| 2011 | 12 | 13 |
| 2012 | 12 | 14 |
| 2013 | 22 | 11 |
| 2014 | 19 | 15 |
| 2015 | 13 | 13 |
| 2016 | 13 | 10 |
| 2017 | 11 | 15 |
| 2018 | 11 | 7 |
| 2019 | 11 | 7 |
| 2020 | 6 | 20 |
| 2021 | 12 | 7 |
| 2022 | 9 | 8 |
| 2023 | 7 | 6 |
| 2024 | 5 | 4 |
| 2025 | 4 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optimization of vehicle communications employing retransmission request protocol12 May 2026US 12,627,412 B2GM Global Technology Operations LLC
- Methods for adaptive user equipment behavior for cell reconfiguration in NR-U12 May 2026US 12,628,226 B2Telefonaktiebolaget LM Ericsson (publ)
- Robust broadcast via relayed retransmission7 Apr 2026US 12,598,013 B2Bose Corporation
- Retransmission method and apparatus for sidelink transmission13 Jan 2026US 12,526,076 B21FINITY Inc.
- Robust header compression handling during packet data convergence protocol re-establishment11 Nov 2025US 12,470,641 B2QUALCOMM Incorporated
- Robust broadcast via relayed retransmission16 Jul 2026US 2026/0205218 A1Bose Corporation
- Bluetooth low-energy audio broadcast method and apparatus28 May 2026US 2026/0149957 A1NXP B. V.
- Method, device and computer storage medium of communication26 Mar 2026US 2026/0088943 A1NEC Corporation
- Configuring based on network coding and multiplexing5 Jun 2025US 2025/0184046 A1Lenovo (Singapore) Pte. Ltd.
- Configuring based on network coding5 Jun 2025US 2025/0184049 A1Lenovo (Singapore) Pte. Ltd.
Most cited
By later US patents
- Data link control protocols for wireless ATM access channels231US 5,684,791 ANEC USA, Inc. · 1997
- System and method of error control for interactive low-bit rate video transmission195US 6,104,757 ANorth Carolina State University · 2000
- Selective retransmission for efficient and reliable streaming of multimedia packets in a computer network174US 5,918,002 AMicrosoft Corporation · 1999
- Data transmission method, data transmission apparatus, data receiving apparatus, and packet data structure157US 6,587,985 B1Matsushita Electric Industrial Co., Ltd. · 2003
- Retransmission scheme in wireless computer networks154US 6,574,668 B1Cirrus Logic, Inc. · 2003