Inventor · disambiguated record
Timothy M. Rowan
Also filed as: ROWAN TIMOTHY · ROWAN TIMOTHY GEORGE · ROWAN TIMOTHY M
32 granted patents·2 pending applications·954 citations·filing 1986–2020
98Inventor score
Top patents by PatentIndex Score
34 records- 0198US10601343B1Power conversion system with PWM carrier transition smoothing and autotuningROCKWELL AUTOMATION TECH INC·Filed 2019·Granted Mar 24, 2020·12 cites·19 claims
- 0297US10541626B1Power conversion system with PWM carrier emulationROCKWELL AUTOMATION TECH INC·Filed 2019·Granted Jan 21, 2020·10 cites·20 claims
- 0396US5008608AController for starting and stopping electric motorsALLEN BRADLEY CO·Filed 1989·Granted Apr 16, 1991·95 cites·22 claims
- 0494US9774284B2Rotor position estimation apparatus and methodsROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Sep 26, 2017·7 cites·12 claims
- 0594US9318976B1Adjustable PWM method to increase low speed starting torque and inverter voltage measurement accuracyROCKWELL AUTOMATION TECH INC·Filed 2014·Granted Apr 19, 2016·18 cites·20 claims
- 0693US5032771ASlip control based on sensing voltage fed to an induction motorALLEN BRADLEY CO·Filed 1990·Granted Jul 16, 1991·76 cites·9 claims
- 0792US7135833B2Motor control for flux-reduced brakingROCKWELL AUTOMATION TECH INC·Filed 2005·Granted Nov 14, 2006·25 cites·23 claims
- 0891US10389292B1DC bus regulation using rectifier and inverterROCKWELL AUTOMATION TECH INC·Filed 2018·Granted Aug 20, 2019·4 cites·20 claims
- 0991US6229278B1Voltage and current limiting method and apparatus for a voltage/frequency driveROCKWELL TECH LLC·Filed 1999·Granted May 8, 2001·72 cites·27 claims
- 1090US6014007AMethod and apparatus for starting an AC drive into a rotating motorALLEN BRADLEY CO·Filed 1998·Granted Jan 11, 2000·67 cites·22 claims
- 1189US5140248AOpen loop motor control with both voltage and current regulationALLEN BRADLEY CO·Filed 1990·Granted Aug 18, 1992·66 cites·9 claims
- 1288US5965995ATransient inductance tuner for motor controlALLEN BRADLEY CO·Filed 1997·Granted Oct 12, 1999·61 cites·24 claims
- 1388US5689169ATransient inductance identifier for motor controlALLEN BRADLEY CO·Filed 1995·Granted Nov 18, 1997·74 cites·18 claims
- 1486US9036382B2Method and apparatus for ripple and phase loss detectionLI BING·Filed 2013·Granted May 19, 2015·8 cites·19 claims
- 1586US5003241AMotor stoppage detection using back emf voltageALLEN BRADLEY CO·Filed 1989·Granted Mar 26, 1991·44 cites·13 claims
- 1685US9584043B2Inverter phase current reconstruction apparatus and methodsROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Feb 28, 2017·5 cites·20 claims
- 1785US7268514B2Motor control for stopping a load and detecting mechanical brake slippageROCKWELL AUTOMATION TECH INC·Filed 2004·Granted Sep 11, 2007·34 cites·9 claims
- 1883US10756659B1Counter electromotive force estimationROCKWELL AUTOMATION TECHNOLOGIES INC·Filed 2019·Granted Aug 25, 2020·2 cites·20 claims
- 1982US4916370AMotor stoppage apparatus and method using back emf voltageALLEN BRADLEY CO·Filed 1989·Granted Apr 10, 1990·38 cites·23 claims
- 2081US9287812B2Method and apparatus for stability control of open loop motor drive operationNONDAHL THOMAS·Filed 2014·Granted Mar 15, 2016·5 cites·20 claims
- 2179US4996470AElectric motor speed control apparatus and methodALLEN BRADLEY CO·Filed 1989·Granted Feb 26, 1991·33 cites·19 claims
- 2277US10727772B1Predicting an induction machine load patternROCKWELL AUTOMATION TECH INC·Filed 2019·Granted Jul 28, 2020·1 cites·20 claims
- 2376US5717305AMethod and apparatus for starting an electric motorFiled 1996·Granted Feb 10, 1998·40 cites·19 claims
- 2473US5479081AAC motor controller with voltage margin adjustmentALLEN BRADLEY CO·Filed 1993·Granted Dec 26, 1995·31 cites·6 claims
- 2571US5298847ACounter EMF detector for use in electric motor controllersALLEN BRADLEY CO·Filed 1992·Granted Mar 29, 1994·30 cites·11 claims
- 2671US4862052AMethod for stopping an electric motorALLEN BRADLEY CO·Filed 1988·Granted Aug 29, 1989·24 cites·12 claims
- 2768US11368109B2Power conversion system with PWM carrier transition smoothing and autotuningROCKWELL AUTOMATION TECH INC·Filed 2020·Granted Jun 21, 2022·0 cites·20 claims
- 2862US11258388B1Systems and methods for performing motor control operations agnostic of speed dataROCKWELL AUTOMATION TECH INC·Filed 2020·Granted Feb 22, 2022·0 cites·20 claims
- 2962US4680695ACross coupled current regulatorALLEN BRADLEY CO·Filed 1986·Granted Jul 14, 1987·18 cites·5 claims
- 3061US4978897AMotor controller with an improved stopping techniqueALLEN BRADLEY CO·Filed 1990·Granted Dec 18, 1990·22 cites·17 claims
- 3160US5923144AFrequency generator for a motor controllerALLEN BRADLEY CO·Filed 1996·Granted Jul 13, 1999·21 cites·18 claims
- 3253US2004097435A1Method of treating parasitic infectionPFIZER·Filed 2003·Application pending·0 cites
- 3350US4706012AFrequency compensated regulatorALLEN BRADLEY CO·Filed 1986·Granted Nov 10, 1987·11 cites·5 claims
- 3440US2001036922A1Method of treating a parasitic infectionFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Timothy M. Rowan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →