Inventor · disambiguated record
Jonathan R. Engdahl
Also filed as: ENGDAHL JONATHAN · ENGDAHL JONATHAN R
19 granted patents·1,815 citations·filing 1979–2020
96Inventor score
Files withALLEN BRADLEY CO10ROCKWELL AUTOMATION TECH INC5ROCKWELL TECH LLC3ROCKWELL SCIENCE CENTER LLC1
Top patents by PatentIndex Score
19 records- 0197US4319338AIndustrial communications network with mastership determined by needALLEN BRADLEY CO·Filed 1979·Granted Mar 9, 1982·157 cites·16 claims
- 0296US6208247B1Wireless integrated sensor network using multiple relayed communicationsROCKWELL SCIENCE CENTER LLC·Filed 1998·Granted Mar 27, 2001·812 cites·9 claims
- 0393US6282455B1Walk-through human/machine interface for industrial controlROCKWELL TECH LLC·Filed 1998·Granted Aug 28, 2001·194 cites·10 claims
- 0491US4667323AIndustrialized token passing networkALLEN BRADLEY CO·Filed 1985·Granted May 19, 1987·152 cites·17 claims
- 0577US7345474B2Detector for magnetizable material using amplitude and phase discriminationROCKWELL AUTOMATION TECH INC·Filed 2005·Granted Mar 18, 2008·4 cites·14 claims
- 0677US5400331ACommunication network interface with screeners for incoming messagesALLEN BRADLEY CO·Filed 1993·Granted Mar 21, 1995·99 cites·14 claims
- 0776US11249839B1Method and apparatus for memory error detectionROCKWELL AUTOMATION TECH INC·Filed 2020·Granted Feb 15, 2022·1 cites·19 claims
- 0875US5452420AIntelligent network interface circuit for establishing communication link between protocol machine and host processor employing counter proposal set parameter negotiation schemeALLEN BRADLEY CO·Filed 1992·Granted Sep 19, 1995·72 cites·9 claims
- 0973US4780869ALocal area network redundancy systemALLEN BRADLEY CO·Filed 1987·Granted Oct 25, 1988·46 cites·21 claims
- 1070US5537549ACommunication network with time coordinated station activity by time slot and periodic interval numberALLEN BRADLEY CO·Filed 1993·Granted Jul 16, 1996·64 cites·10 claims
- 1169US7581053B2Distributed modular input/output system with wireless backplane extenderROCKWELL AUTOMATION TECH INC·Filed 2004·Granted Aug 25, 2009·17 cites·17 claims
- 1266US5553095AMethod and apparatus for exchanging different classes of data during different time intervalsALLEN BRADLEY CO·Filed 1993·Granted Sep 3, 1996·53 cites·3 claims
- 1365US6937011B2Detector for magnetizable material using amplitude and phase discriminationROCKWELL AUTOMATION TECH INC·Filed 2001·Granted Aug 30, 2005·4 cites·34 claims
- 1463US5283869AInterrupt structure for network interface circuitALLEN BRADLEY CO·Filed 1989·Granted Feb 1, 1994·33 cites·4 claims
- 1561US6278368B1Low cost material for multi-bit remote sensingROCKWELL TECH LLC·Filed 1999·Granted Aug 21, 2001·32 cites·20 claims
- 1655US5493571AApparatus and method for digital communications with improved delimiter detectionALLEN BRADLEY CO·Filed 1993·Granted Feb 20, 1996·30 cites·19 claims
- 1755US5471461ADigital communication network with a moderator station election processALLEN BRADLEY CO·Filed 1993·Granted Nov 28, 1995·30 cites·15 claims
- 1853US6788049B2Detector for magnetizable material using amplitude and phase discriminationROCKWELL AUTOMATION TECH INC·Filed 2002·Granted Sep 7, 2004·3 cites·11 claims
- 1940US6269414B1Data rate doubler for electrical backplaneROCKWELL TECH LLC·Filed 1998·Granted Jul 31, 2001·12 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →