H04L 1/24
Testing correct operation
H04L1/24 (Testing correct operation) appears on 2,055 US grants and 1,654 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,055
- Published applications
- 1,654
- Assignees
- 738
- Inventors
- 3,629
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 12 | 0 |
| 1978 | 14 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 18 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 15 | 0 |
| 1988 | 15 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 19 | 0 |
| 1993 | 11 | 0 |
| 1994 | 12 | 0 |
| 1995 | 25 | 0 |
| 1996 | 32 | 0 |
| 1997 | 26 | 0 |
| 1998 | 47 | 0 |
| 1999 | 44 | 0 |
| 2000 | 29 | 0 |
| 2001 | 58 | 26 |
| 2002 | 56 | 89 |
| 2003 | 58 | 89 |
| 2004 | 53 | 101 |
| 2005 | 69 | 75 |
| 2006 | 86 | 71 |
| 2007 | 65 | 127 |
| 2008 | 81 | 101 |
| 2009 | 65 | 67 |
| 2010 | 92 | 55 |
| 2011 | 59 | 55 |
| 2012 | 58 | 45 |
| 2013 | 73 | 66 |
| 2014 | 86 | 67 |
| 2015 | 75 | 75 |
| 2016 | 60 | 98 |
| 2017 | 58 | 54 |
| 2018 | 81 | 66 |
| 2019 | 77 | 57 |
| 2020 | 83 | 70 |
| 2021 | 50 | 50 |
| 2022 | 62 | 53 |
| 2023 | 51 | 35 |
| 2024 | 43 | 27 |
| 2025 | 25 | 23 |
| 2026 | 15 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Broadband access management systems and methods1 Sep 2026US 12,726,566 B2Epic Lane Networks, LP
- Fallout handling for zero touch provisioning of cell sites25 Aug 2026US 12,719,740 B2DISH Network Technologies India Private Limited
- Data center traffic analytics synchronization30 Jun 2026US 12,670,003 B2Cisco Technology, Inc.
- Correlating network and physical layer activities23 Jun 2026US 12,665,624 B2ISCO International, LLC
- Distributed handling of forward error correction in hardware assisted verification platforms23 Jun 2026US 12,665,709 B2Siemens Industry Software Inc.
- Methods, systems, and computer readable media for detecting retry window invocation for testing link level retry (llr)17 Sep 2026US 2026/0280777 A1Keysight Technologies, Inc.
- Correlating network & physical layer activities20 Aug 2026US 2026/0246488 A1ISCO International, LLC
- Link performance monitoring via in-band management channel13 Aug 2026US 2026/0238402 A1Credo Technology Group Limited
- Monitoring the performance of a model based on machine learning for reporting channel state information6 Aug 2026US 2026/0230142 A1InterDigital Patent Holdings, Inc.
- Internet storage6 Aug 2026US 2026/0230237 A1Duplicent, LLC
Most cited
By later US patents
- Source synchronous link integrity validation423US 6,965,648 B1Sun Microsystems, Inc. · 2005
- Method for training a communication link between ports to correct for errors404US 7,010,607 B1Hewlett-Packard Development Company, L. P. · 2006
- 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
- Method and apparatus for testing a packet-based network308US 5,477,531 AHewlett-Packard Company · 1995
- Channel selection for a hybrid fiber coax network264US 6,334,219 B1ADC Telecommunications, Inc. · 2001