H04L 12/12
Arrangements for remote connection or disconnection of substations or of equipment thereof
H04L12/12 (Arrangements for remote connection or disconnection of substations or of equipment thereof) appears on 2,248 US grants and 2,779 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,248
- Published applications
- 2,779
- Assignees
- 919
- Inventors
- 5,342
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 17 | 0 |
| 1999 | 21 | 0 |
| 2000 | 26 | 0 |
| 2001 | 38 | 6 |
| 2002 | 33 | 49 |
| 2003 | 24 | 45 |
| 2004 | 26 | 51 |
| 2005 | 27 | 66 |
| 2006 | 37 | 66 |
| 2007 | 19 | 113 |
| 2008 | 54 | 103 |
| 2009 | 51 | 102 |
| 2010 | 67 | 125 |
| 2011 | 70 | 121 |
| 2012 | 101 | 142 |
| 2013 | 112 | 149 |
| 2014 | 122 | 119 |
| 2015 | 128 | 125 |
| 2016 | 117 | 97 |
| 2017 | 113 | 78 |
| 2018 | 86 | 93 |
| 2019 | 103 | 95 |
| 2020 | 105 | 100 |
| 2021 | 104 | 89 |
| 2022 | 91 | 162 |
| 2023 | 111 | 206 |
| 2024 | 151 | 193 |
| 2025 | 132 | 164 |
| 2026 | 112 | 120 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data transmission device on server, data transmission method and program on server6 Oct 2026US 12,756,584 B2NTT, Inc.
- Dynamic management of energy efficient ethernet feature6 Oct 2026US 12,756,585 B2Cisco Technology, Inc.
- Link power management protocol for connected network devices6 Oct 2026US 12,756,661 B2Hewlett Packard Enterprise Development LP
- Calculating and utilizing power metrics for connected network devices6 Oct 2026US 12,756,662 B2Hewlett Packard Enterprise Development LP
- Sleep and wakeup signaling for ethernet15 Sep 2026US 12,739,139 B2Marvell Asia Pte Ltd
- Switch port configuration based on silent host type1 Oct 2026US 2026/0303387 A1Hewlett Packard Enterprise Development LP
- Data transmission device on server, data transmission method and program on server24 Sep 2026US 2026/0291764 A1NTT, Inc.
- Communication system, electronic control unit, wake-up retention program stored on non-transitory storage medium, and wake-up retention method17 Sep 2026US 2026/0280914 A1Denso Corporation
- External Activation of Quiescent Device17 Sep 2026US 2026/0280936 A1PassiveLogic, Inc.
- Optimizing mobile network traffic coordination across multiple applications running on a mobile device3 Sep 2026US 2026/0261981 A1Seven Networks, LLC
Most cited
By later US patents
- Radio frequency local area network481US 5,295,154 ANorand Corporation · 1994
- System and method for signaling and detecting request for power over ethernet425US 6,535,983 B13Com Corporation · 2003
- Access protocol for a common channel wireless network407US 5,461,627 A1995
- Remote control system using power line of remote site383US 5,051,720 ASecure Telecom, Inc. · 1991
- Transport of payload information and control messages on multiple orthogonal carriers spread throughout substantially all of a frequency bandwith320US 6,275,990 B1ADC Telecommunications, Inc. · 2001