G05B 2219/14
Plc safety
G05B2219/14 (Plc safety) appears on 501 US grants and 485 published applications in this corpus.
Search patents in G05B- Granted patents
- 501
- Published applications
- 485
- Assignees
- 229
- Inventors
- 1,321
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 6 |
| 2003 | 3 | 5 |
| 2004 | 6 | 11 |
| 2005 | 4 | 10 |
| 2006 | 7 | 10 |
| 2007 | 7 | 8 |
| 2008 | 6 | 10 |
| 2009 | 7 | 10 |
| 2010 | 11 | 5 |
| 2011 | 8 | 7 |
| 2012 | 7 | 7 |
| 2013 | 7 | 14 |
| 2014 | 11 | 20 |
| 2015 | 10 | 33 |
| 2016 | 14 | 29 |
| 2017 | 24 | 36 |
| 2018 | 31 | 51 |
| 2019 | 38 | 45 |
| 2020 | 40 | 28 |
| 2021 | 33 | 37 |
| 2022 | 26 | 30 |
| 2023 | 25 | 25 |
| 2024 | 32 | 18 |
| 2025 | 28 | 16 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G05B 2219/14006Safety, monitoring in generalIndexing code88
- G05B 2219/14014Redundant processors and i-oIndexing code33
- G05B 2219/14012Safety integrity level, safety integrated systems, sil, sisIndexing code27
- G05B 2219/14055Make log, journal, history file of state changesIndexing code27
- G05B 2219/14144Galvanic isolationIndexing code23
- G05B 2219/14074Signature analysis, recorded states, zones are compared to actualIndexing code21
- G05B 2219/14053Power failure, loss, abnormal batteryIndexing code15
- G05B 2219/14005AlarmIndexing code14
All 131 subgroupsShow fewer
- G05B 2219/14089Display of control states on cards, by ledsIndexing code13
- G05B 2219/14116Safe, emergency shutdown, esd of systemIndexing code13
- G05B 2219/14083Derive diagnostic program from model needed for sequence programIndexing code12
- G05B 2219/14043Detection of abnormal temperatureIndexing code11
- G05B 2219/14047Open circuit, broken line, cableIndexing code11
- G05B 2219/14112Diagnostic, troubleshootingIndexing code11
- G05B 2219/14114Integrity, error detector, switch off controller, fail safeIndexing code11
- G05B 2219/14131Workby plc, all plc function in parallel, synchronous data exchangeIndexing code11
- G05B 2219/14018In, plc and comparator, error detector, backup, standby plc, switch, update outIndexing code10
- G05B 2219/14054Self testIndexing code10
- G05B 2219/14097Display of error messagesIndexing code10
- G05B 2219/14098Displaying instructions for monitoring state of machineIndexing code10
- G05B 2219/14126Redundant i-o points, two sensors, actuators for same pointIndexing code9
- G05B 2219/14007Plc as standalone for safety control of machineIndexing code8
- G05B 2219/14016Triple plc's, processors and dual i-o, triple modular redundantIndexing code8
- G05B 2219/14141RestartIndexing code8
- G05B 2219/14008Pc monitors plcIndexing code7
- G05B 2219/14037Fault in i-o communicationIndexing code7
- G05B 2219/14039Fault in sensor, actuatorIndexing code7
- G05B 2219/14048Short circuitIndexing code7
- G05B 2219/14075Test of interfaceIndexing code7
- G05B 2219/14086Watch dogIndexing code7
- G05B 2219/14123Majority voting, dynamic redundant, persistency and integrityIndexing code7
- G05B 2219/14124Redundant network, client server nodesIndexing code7
- G05B 2219/14132Dual plc, each monitors otherIndexing code7
- G05B 2219/14002Independent processor, coprocessor monitors plcIndexing code6
- G05B 2219/14011Explosion free control, intrinsically safeIndexing code6
- G05B 2219/14057Compare response time, time interval with reference response time, intervalIndexing code6
- G05B 2219/14058Diagnostic, using expert, knowledge based systemIndexing code6
- G05B 2219/14076Test of sensorIndexing code6
- G05B 2219/14087Selecting parameters or states to be displayed on panel, displaying statesIndexing code6
- G05B 2219/14015Dual plc's, processors and dual i-oIndexing code5
- G05B 2219/14044Operating time test for over or under conditionsIndexing code5
- G05B 2219/14046Current flowIndexing code5
- G05B 2219/14065Checking step, diagnostic routine at end of each scanIndexing code5
- G05B 2219/14084Remote diagnosticIndexing code5
- G05B 2219/14106Reconfiguration of components or graceful degradation, degradeIndexing code5
- G05B 2219/14013In, dual plc worker coworker, switch, out persistencyIndexing code4
- G05B 2219/14036Detection of fault in processorIndexing code4
- G05B 2219/14045Parameter, over or under condition detectionIndexing code4
- G05B 2219/14063Diagnostic of degrading performanceIndexing code4
- G05B 2219/14071Test of equipment, system without using actual systemIndexing code4
- G05B 2219/14077Detect difference in signal between identical channels, if plausibleIndexing code4
- G05B 2219/14085Memory testingIndexing code4
- G05B 2219/14093Display matrix of relay, contact symbols, select and show timeIndexing code4
- G05B 2219/14136Redundancy, masking redundancy, avoid failure but no fault detectionIndexing code4
- G05B 2219/14142Low impedance busIndexing code4
- G05B 2219/14143Structure, low pass filter, debouncing input, output driver with rampIndexing code4
- G05B 2219/14035Single analog i-o in, dual signal processing, dual plcIndexing code3
- G05B 2219/14038Fault in i-o racks, point levelIndexing code3
- G05B 2219/14067Log, history of key, input information before last fault occurredIndexing code3
- G05B 2219/14068Compare operation time of each independent block, group with storedIndexing code3
- G05B 2219/14073Real time modeling of plc behaviour, display pictogram of systemIndexing code3
- G05B 2219/14078If fault in next cycle persists, declare channel faultyIndexing code3
- G05B 2219/14079If signal out of range, use for next cycle previous detected signalIndexing code3
- G05B 2219/14091Message generation, composer from variables and states, zonesIndexing code3
- G05B 2219/14104Fault masking, redundant module is selected, fault will not propagateIndexing code3
- G05B 2219/14107Recovery, after detection or reconfiguration, effect an error eliminatiIndexing code3
- G05B 2219/14119Inhibit remote controlIndexing code3
- G05B 2219/14125Redundant i-o racks, interfaces to pointsIndexing code3
- G05B 2219/14128Redundant i-o rack has spare slots, hot repair feature, spare blocks fIndexing code3
- G05B 2219/14003Pc, personal computer monitors contact data of several plc'sIndexing code2
- G05B 2219/14004On error i-o control state is substituted by actual state to continueIndexing code2
- G05B 2219/14041Influence of execution of interruptsIndexing code2
- G05B 2219/14042Process timeIndexing code2
- G05B 2219/14064Portable diagnostic unit, offlineIndexing code2
- G05B 2219/14082Sample input signal again to verify if signal is correctIndexing code2
- G05B 2219/14092Display menu and its code, sense code, compare with registered codeIndexing code2
- G05B 2219/14095Library of pictures to display process, pictogramIndexing code2
- G05B 2219/14102Fault stages, confinement, logical segregation of i-o, separate modulesIndexing code2
- G05B 2219/14115Rapid recovery after fault detectionIndexing code2
- G05B 2219/14118Interlock of control switchesIndexing code2
- G05B 2219/14127Redundant communication between processor and i-oIndexing code2
- G05B 2219/14138Each independent operation block, group has own restart, home positionIndexing code2
- G05B 2219/14139On the fly software replacement in case of errorIndexing code2
- G05B 2219/14001Detect direction, sign of change of signalIndexing code1
- G05B 2219/14009Manual overide control, digital or analog, between plc and machineIndexing code1
- G05B 2219/14017Triple plc's, processors and triple i-oIndexing code1
- G05B 2219/14019Dual in, crosscoupled relay, dual and, dual outIndexing code1
- G05B 2219/14027In, plc and comparator, feedback out, outIndexing code1
- G05B 2219/14028Dual in, plc and comparator, feedback out, and, outIndexing code1
- G05B 2219/14052Detect missing moduleIndexing code1
- G05B 2219/14056Monitor only particular devices which are required for execution of processIndexing code1
- G05B 2219/14061On-off-line diagnosticIndexing code1
- G05B 2219/14072Test of i-o scannerIndexing code1
- G05B 2219/14088Display result of computation, calculationIndexing code1
- G05B 2219/14096Voice, vocal, speech alarmIndexing code1
- G05B 2219/14105Retry, reacquire input data and start fault sequence againIndexing code1
- G05B 2219/14108Restart of processingIndexing code1
- G05B 2219/14122Prevent conflicting writing of dataIndexing code1
- G05B 2219/14129Primary, worker and backup, coworker plc for testing i-oIndexing code1
- G05B 2219/14137Restart, power up of processor, outputs are off, disabled or hold lastIndexing code1
- G05B 2219/14145Serial feedback of several states of outputIndexing code1
- G05B 2219/14021In, direct link parallel to plc, and, outIndexing code0
- G05B 2219/14022Dual in, dual plc with dual out comparator, dual and, dual outIndexing code0
- G05B 2219/14023In, three plc and 2-out-of-3 processor voter, 2-out-of-3 output voter, outIndexing code0
- G05B 2219/14024Dual in, three plc with comparator, dual 2-out-of-3 output voter, dual outIndexing code0
- G05B 2219/14025Dual in, relay parallel to plc with comparator, dual and, feedback outIndexing code0
- G05B 2219/14026In, relay, direct link parallel to plc, and, outIndexing code0
- G05B 2219/14029Dual in, plc and comparator, feedback out, dual and, outIndexing code0
- G05B 2219/14031Dual plc, dual i-o, single actuator, crosscoupling in and outIndexing code0
- G05B 2219/14032Dual plc, dual i-o, crosscoupling analog in of first plc to outIndexing code0
- G05B 2219/14033Dual plc, dual i-o bus, dual i-o amplifierIndexing code0
- G05B 2219/14034Quad system, dual worker coworker, output voter, switchIndexing code0
- G05B 2219/14049Broken led, signalling deviceIndexing code0
- G05B 2219/14051Correct polarity of supplyIndexing code0
- G05B 2219/14059Selftest of voting, switching unitIndexing code0
- G05B 2219/14062Diagnostic of dead state, machine does not function anymoreIndexing code0
- G05B 2219/14066Look up table to determine particular fault conditionsIndexing code0
- G05B 2219/14069Dual watch dog, one for operating system, other for user programIndexing code0
- G05B 2219/14081Take average, mean of two valid signals of same inputIndexing code0
- G05B 2219/14094Display instruction with corresponding states, markersIndexing code0
- G05B 2219/14099What kind of fault, first fault latch indicationIndexing code0
- G05B 2219/14101Indication of status in a ready, off, running of fault stateIndexing code0
- G05B 2219/14103Detection on or off-line, latency from failure occurrence to fault recognitionIndexing code0
- G05B 2219/14109Repair on or off-lineIndexing code0
- G05B 2219/14111Reintegration, after correction of fault, failed module reinsertedIndexing code0
- G05B 2219/14113Fault tolerant objectives for equipment, controllerIndexing code0
- G05B 2219/14117Emergency shut down of control processor, power downIndexing code0
- G05B 2219/14121Dual hand controlIndexing code0
- G05B 2219/14133Each plc is different from othersIndexing code0
- G05B 2219/14134Each plc is programmed by different personIndexing code0
- G05B 2219/14135Single plc, load between two i-o to plus and two i-o toIndexing code0
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Most cited
By later US patents
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- Surgical instrument displaying subsequent step of use597US 10,588,626 B2Ethicon, Inc. · 2020
- Interface systems for use with surgical instruments513US 10,863,981 B2Ethicon, Inc. · 2020
- Surgical instrument power management through sleep and wake up control500US 10,898,185 B2Ethicon, Inc. · 2021