G06F 11/1629
Error detection by comparing the output of redundant processing systems
Official title: {Error detection by comparing the output of redundant processing systems}
G06F11/1629 (Error detection by comparing the output of redundant processing systems) appears on 1,077 US grants and 945 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,077
- Published applications
- 945
- Assignees
- 363
- Inventors
- 2,178
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 14 | 0 |
| 1991 | 9 | 0 |
| 1992 | 17 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 17 | 0 |
| 1996 | 21 | 0 |
| 1997 | 19 | 0 |
| 1998 | 21 | 0 |
| 1999 | 18 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 3 |
| 2002 | 11 | 16 |
| 2003 | 16 | 12 |
| 2004 | 10 | 28 |
| 2005 | 12 | 23 |
| 2006 | 19 | 45 |
| 2007 | 19 | 25 |
| 2008 | 22 | 29 |
| 2009 | 15 | 26 |
| 2010 | 28 | 47 |
| 2011 | 26 | 25 |
| 2012 | 20 | 25 |
| 2013 | 33 | 38 |
| 2014 | 31 | 36 |
| 2015 | 36 | 29 |
| 2016 | 31 | 31 |
| 2017 | 35 | 43 |
| 2018 | 26 | 58 |
| 2019 | 73 | 67 |
| 2020 | 68 | 84 |
| 2021 | 63 | 62 |
| 2022 | 72 | 49 |
| 2023 | 47 | 45 |
| 2024 | 40 | 47 |
| 2025 | 46 | 30 |
| 2026 | 21 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G06F 11/1641Where the comparison is not performed by the redundant processing components623
- G06F 11/165With continued operation after detection of the error278
- G06F 11/1633Using mutual exchange of the output between the redundant processing components165
- G06F 11/1654Where the output of only one of the redundant processing components can138
- G06F 11/1637Using additional compare functionality in one or some but not all of107
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Most cited
By later US patents
- Multiple processor system having shared memory with private-write capability208US 4,965,717 ATandem Computers Incorporated · 1990
- Self-testing multi-processor die with internal compare points185US 5,732,209 AExponential Technology, Inc. · 1998
- Software fault tolerant computer system174US 6,625,751 B1Sun Microsystems, Inc. · 2003
- Data processing system with system resource management for itself and for an associated alien processor168US 5,113,522 AInternational Business Machines Corporation · 1992
- Central processing apparatus for fault-tolerant computing162US 4,453,215 AStratus Computer, Inc. · 1984