H04L 1/1685
The supervisory signal being transmitted in response to a specific request
Official title: {the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal}
H04L1/1685 (The supervisory signal being transmitted in response to a specific request) appears on 1,318 US grants and 1,552 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,318
- Published applications
- 1,552
- Assignees
- 291
- Inventors
- 2,200
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 13 | 0 |
| 1997 | 16 | 0 |
| 1998 | 12 | 0 |
| 1999 | 17 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 2 |
| 2002 | 10 | 15 |
| 2003 | 11 | 20 |
| 2004 | 16 | 56 |
| 2005 | 16 | 38 |
| 2006 | 27 | 50 |
| 2007 | 15 | 48 |
| 2008 | 23 | 45 |
| 2009 | 33 | 54 |
| 2010 | 47 | 50 |
| 2011 | 50 | 48 |
| 2012 | 38 | 33 |
| 2013 | 47 | 40 |
| 2014 | 50 | 47 |
| 2015 | 43 | 52 |
| 2016 | 46 | 72 |
| 2017 | 62 | 86 |
| 2018 | 67 | 66 |
| 2019 | 81 | 79 |
| 2020 | 83 | 93 |
| 2021 | 73 | 104 |
| 2022 | 85 | 107 |
| 2023 | 77 | 135 |
| 2024 | 86 | 70 |
| 2025 | 89 | 79 |
| 2026 | 50 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Information processing apparatus, communication system, information processing method and program29 Sep 2026US 12,750,163 B2Sony Group Corporation
- Flexible control information reporting22 Sep 2026US 12,745,251 B2QUALCOMM Incorporated
- Multi-user parallel channel access in WLAN systems1 Sep 2026US 12,726,972 B2InterDigital Patent Holdings, Inc.
- Enhancements for resource allocation in WLAN systems1 Sep 2026US 12,727,033 B2InterDigital Patent Holdings, Inc.
- Hybrid automatic repeat request feedback method and apparatus25 Aug 2026US 12,719,614 B2Huawei Technologies Co., Ltd.
- Design considerations for multi-link aggregation27 Aug 2026US 2026/0255421 A1QUALCOMM Incorporated
- Method and device for requesting feedback of portion of band for sta operating only in 20/80/160 mhz in wireless lan system20 Aug 2026US 2026/0246581 A1LG Electronics Inc.
- Passive trigger-based ranging (tbr) based reporting20 Aug 2026US 2026/0247336 A1QUALCOMM Incorporated
- Apparatus and method for terminal to process sidelink transmission in wireless communication system20 Aug 2026US 2026/0247405 A1Samsung Electronics Co., Ltd.
- Timer based radio link control (rlc) acknowledged mode (am) receiving window (rx win) advance13 Aug 2026US 2026/0238393 A1Telefonaktiebolaget LM Ericsson (publ)
Most cited
By later US patents
- Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones789US 5,726,984 ANorand Corporation · 1998
- Personal paging, communications, and locating system486US 5,588,009 A1996
- Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones346US 6,389,010 B1Intermec IP Corp. · 2002
- Hand-held terminal with display screens, interactive screens, magnetic credit card readers, scanners, printers and handlers301US 5,679,943 ANorand Corporation · 1997
- Radio frequency local area network290US 5,428,636 ANorand Corporation · 1995