H04L 1/16
In which the return channel carries supervisory signals
Official title: in which the return channel carries supervisory signals, e.g. repetition request signals
H04L1/16 (In which the return channel carries supervisory signals) appears on 27,817 US grants and 34,583 published applications in this corpus.
Search patents in H04L- Granted patents
- 27,817
- Published applications
- 34,583
- Assignees
- 2,392
- Inventors
- 20,472
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 19 | 0 |
| 1991 | 14 | 0 |
| 1992 | 28 | 0 |
| 1993 | 25 | 0 |
| 1994 | 21 | 0 |
| 1995 | 38 | 0 |
| 1996 | 49 | 0 |
| 1997 | 60 | 0 |
| 1998 | 68 | 0 |
| 1999 | 88 | 0 |
| 2000 | 102 | 0 |
| 2001 | 97 | 57 |
| 2002 | 115 | 300 |
| 2003 | 166 | 412 |
| 2004 | 163 | 504 |
| 2005 | 205 | 574 |
| 2006 | 332 | 626 |
| 2007 | 277 | 640 |
| 2008 | 357 | 804 |
| 2009 | 416 | 930 |
| 2010 | 560 | 1088 |
| 2011 | 706 | 955 |
| 2012 | 945 | 996 |
| 2013 | 1122 | 1159 |
| 2014 | 1217 | 1231 |
| 2015 | 1237 | 1497 |
| 2016 | 1399 | 1538 |
| 2017 | 1375 | 1387 |
| 2018 | 1267 | 1658 |
| 2019 | 1566 | 2103 |
| 2020 | 1779 | 2610 |
| 2021 | 1894 | 2519 |
| 2022 | 1997 | 3094 |
| 2023 | 2105 | 2734 |
| 2024 | 2458 | 2302 |
| 2025 | 2172 | 1710 |
| 2026 | 1308 | 1155 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Enhanced beam-based codebook subset restriction signaling6 Oct 2026US 12,756,435 B2Telefonaktiebolaget LM Ericsson (publ)
- Method and apparatus for radio sidelink operation over shared spectrum6 Oct 2026US 12,756,444 B2InterDigital Patent Holdings, Inc.
- Method, device, and system for reducing receiving-end RLC processing load through highly reliable HARQ feedback-based RLC retransmission6 Oct 2026US 12,756,500 B2Samsung Electronics Co., Ltd.
- Schemes on disabling HARQ feedback6 Oct 2026US 12,756,501 B2MediaTek Singapore Pte. Ltd.
- Sub-slot based codebook construction techniques6 Oct 2026US 12,756,502 B2Zte Corporation
- Systems and methods for updating energy storage management software in embedded systems8 Oct 2026US 2026/0310442 A1Electra Vehicles, Inc.
- Techniques for network coding based on device storage8 Oct 2026US 2026/0312730 A1QUALCOMM Incorporated
- Early termination of a hybrid automatic repeat request re-transmission of a discontinuous reception configuration8 Oct 2026US 2026/0312732 A1QUALCOMM Incorporated
- Mrb architecture with pdcp retransmission8 Oct 2026US 2026/0312733 A1QUALCOMM Incorporated
- Hybrid automatic repeat request (harq)-acknowledgement (ack) codebook type combinations for harq-ack codebook construction and transmission in loose carrier aggregation implementations8 Oct 2026US 2026/0312734 A1QUALCOMM Incorporated
Most cited
By later US patents
- System for protecting the transmission of live data streams, and upon reception, for reconstructing the live data streams and recording them into files1,424US 7,024,609 B2Kencast, Inc. · 2006
- Directory enabled policy management tool for intelligent traffic management997US 6,502,131 B1Novell, Inc. · 2002
- Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones789US 5,726,984 ANorand Corporation · 1998
- Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant683US 5,991,308 ATerayon Communication Systems, Inc. · 1999
- Synchronous data communication588US 8,054,752 B2Intuitive Surgical Operations, Inc. · 2011