G06F 11/221
To test buses, lines or interfaces
Official title: {to test buses, lines or interfaces, e.g. stuck-at or open line faults}
G06F11/221 (To test buses, lines or interfaces) appears on 626 US grants and 519 published applications in this corpus.
Search patents in G06F- Granted patents
- 626
- Published applications
- 519
- Assignees
- 287
- Inventors
- 1,373
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 16 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 10 | 0 |
| 1999 | 20 | 0 |
| 2000 | 19 | 0 |
| 2001 | 12 | 2 |
| 2002 | 12 | 12 |
| 2003 | 18 | 12 |
| 2004 | 14 | 19 |
| 2005 | 12 | 21 |
| 2006 | 21 | 18 |
| 2007 | 9 | 17 |
| 2008 | 16 | 15 |
| 2009 | 11 | 9 |
| 2010 | 8 | 11 |
| 2011 | 17 | 14 |
| 2012 | 8 | 28 |
| 2013 | 23 | 27 |
| 2014 | 21 | 26 |
| 2015 | 26 | 38 |
| 2016 | 23 | 37 |
| 2017 | 27 | 26 |
| 2018 | 30 | 28 |
| 2019 | 30 | 26 |
| 2020 | 40 | 35 |
| 2021 | 18 | 19 |
| 2022 | 20 | 13 |
| 2023 | 28 | 21 |
| 2024 | 22 | 14 |
| 2025 | 17 | 20 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adaptive retimer with bypass8 Sep 2026US 12,730,774 B2Credo Technology Group Limited
- Machine learning-based bad cable detection7 Jul 2026US 12,675,380 B2Hewlett Packard Enterprise Development LP
- Integrated universal serial bus data cable testing device and testing method12 May 2026US 12,625,198 B1
- Modular power network device12 May 2026US 12,625,514 B2Electricity Exchange Dac
- Memory systems, operation methods thereof, and computer-readable storage mediums to detect an abnormality in firmware12 May 2026US 12,625,786 B2Yangtze Memory Technologies Co., Ltd.
- Exam device27 Aug 2026US 2026/0252450 A1NTT, Inc.
- Methods, systems, and computer readable media for testing electrical and optical interconnect devices16 Jul 2026US 2026/0203177 A1Keysight Technologies, Inc.
- Error detection and repair for serially connected devices21 May 2026US 2026/0140803 A1Space Exploration Technologies Corp.
- Adaptive Retimer with Bypass21 May 2026US 2026/0140916 A1Credo Technology Group Limited
- System and method for providing port resiliency and artificial intelligence (ai) recommendations for failed ports at an information handling system30 Apr 2026US 2026/0119347 A1Dell Products L. P.
Most cited
By later US patents
- Source synchronous link integrity validation423US 6,965,648 B1Sun Microsystems, Inc. · 2005
- Diagnostic system158US 5,357,519 AApple Computer, Inc. · 1994
- Method and apparatus for evaluating and optimizing a signaling system146US 7,490,275 B2Rambus Inc. · 2009
- Addressable shadow port and protocol for serial bus networks133US 5,483,518 ATexas Instruments Incorporated · 1996
- Gate circuit for bus signal lines131US 4,945,540 AMitsubishi Denki Kabushiki Kaisha · 1990