Assignee
ASPEN TECHNOLOGY INC
US·40 granted patents·1 pending application·3,267 citations·filing 1994–2018
Top patents by PatentIndex Score
41 records- 0197US9141911B2Apparatus and method for automated data selection in model identification and adaptation in multivariable process controlASPEN TECHNOLOGY INC·Filed 2013·Granted Sep 22, 2015·118 cites·19 claims
- 0296US5877954AHybrid linear-neural network process controlASPEN TECHNOLOGY INC·Filed 1996·Granted Mar 2, 1999·298 cites·20 claims
- 0395US9354776B1Applied client-side service integrations in distributed web systemsASPEN TECHNOLOGY INC·Filed 2014·Granted May 31, 2016·50 cites·21 claims
- 0495US6110214AAnalyzer for modeling and optimizing maintenance operationsASPEN TECHNOLOGY INC·Filed 1996·Granted Aug 29, 2000·336 cites·41 claims
- 0594USD750123SDisplay screen with graphical user interfaceASPEN TECHNOLOGY INC·Filed 2014·Granted Feb 23, 2016·58 cites·1 claims
- 0694US5809490AApparatus and method for selecting a working data set for model developmentASPEN TECHNOLOGY INC·Filed 1996·Granted Sep 15, 1998·272 cites·33 claims
- 0793US7630868B2Computer method and apparatus for constraining a non-linear approximator of an empirical processASPEN TECHNOLOGY INC·Filed 2007·Granted Dec 8, 2009·43 cites·30 claims
- 0893US6246972B1Analyzer for modeling and optimizing maintenance operationsASPEN TECHNOLOGY INC·Filed 1999·Granted Jun 12, 2001·223 cites·14 claims
- 0991US5666297APlant simulation and optimization software apparatus and method using dual execution modelsASPEN TECHNOLOGY INC·Filed 1994·Granted Sep 9, 1997·254 cites·12 claims
- 1090US7448046B2Computer system for providing a collaborative workflow environmentASPEN TECHNOLOGY INC·Filed 2001·Granted Nov 4, 2008·111 cites·24 claims
- 1189US6594620B1Sensor validation apparatus and methodASPEN TECHNOLOGY INC·Filed 1999·Granted Jul 15, 2003·133 cites·26 claims
- 1289US6041263AMethod and apparatus for simulating and optimizing a plant modelASPEN TECHNOLOGY INC·Filed 1997·Granted Mar 21, 2000·227 cites·5 claims
- 1388US10739752B2Computer system and method for causality analysis using hybrid first-principles and inferential modelASPEN TECHNOLOGY INC·Filed 2018·Granted Aug 11, 2020·5 cites·17 claims
- 1488US5687090APolymer component characterization method and process simulation apparatusASPEN TECHNOLOGY INC·Filed 1996·Granted Nov 11, 1997·177 cites·13 claims
- 1587US6983186B2Computer method and apparatus for vessel selection and optimizationASPEN TECHNOLOGY INC·Filed 2001·Granted Jan 3, 2006·70 cites·13 claims
- 1686US6278962B1Hybrid linear-neural network process controlASPEN TECHNOLOGY INC·Filed 1998·Granted Aug 21, 2001·94 cites·8 claims
- 1785US8346525B2Methods of modeling physical properties of chemical mixtures and articles of useASPEN TECHNOLOGY INC·Filed 2010·Granted Jan 1, 2013·8 cites·15 claims
- 1885US6093211APolymer property distribution functions methodology and simulatorsASPEN TECHNOLOGY INC·Filed 1998·Granted Jul 25, 2000·135 cites·23 claims
- 1983US6453308B1Non-linear dynamic predictive deviceASPEN TECHNOLOGY INC·Filed 1998·Granted Sep 17, 2002·86 cites·53 claims
- 2082US7330804B2Computer method and apparatus for constraining a non-linear approximator of an empirical processASPEN TECHNOLOGY INC·Filed 2001·Granted Feb 12, 2008·30 cites·30 claims
- 2182US7188637B2Methods, systems, and articles for controlling a fluid blending systemASPEN TECHNOLOGY INC·Filed 2004·Granted Mar 13, 2007·53 cites·60 claims
- 2280US7209793B2Automated closed loop step testing of process unitsASPEN TECHNOLOGY INC·Filed 2004·Granted Apr 24, 2007·30 cites·85 claims
- 2380US6819964B2Automated closed loop step testing of process unitsASPEN TECHNOLOGY INC·Filed 2001·Granted Nov 16, 2004·30 cites·86 claims
- 2480US6654649B2Computer method and apparatus for optimized controller in a non-linear processASPEN TECHNOLOGY INC·Filed 2000·Granted Nov 25, 2003·43 cites·14 claims
- 2579US6751615B2Method and system generating query form, assigning and comparing risk designation of chemical product over a computer network for chemical products customersASPEN TECHNOLOGY INC·Filed 2001·Granted Jun 15, 2004·36 cites·30 claims
- 2677US7065511B2Non-linear dynamic predictive deviceASPEN TECHNOLOGY INC·Filed 2001·Granted Jun 20, 2006·23 cites·25 claims
- 2777US6714899B2Robust steady-state target calculation for model predictive controlASPEN TECHNOLOGY INC·Filed 2001·Granted Mar 30, 2004·29 cites·6 claims
- 2876US9095785B2Method of optimizing product output rate of packed columnsASPEN TECHNOLOGY INC·Filed 2013·Granted Aug 4, 2015·2 cites·26 claims
- 2973US8370076B2Computer method and system for predicting physical properties using a conceptual segment-based ionic activity coefficient modelASPEN TECHNOLOGY INC·Filed 2010·Granted Feb 5, 2013·3 cites·13 claims
- 3072US7672826B2Methods of modeling physical properties of chemical mixtures and articles of useASPEN TECHNOLOGY INC·Filed 2004·Granted Mar 2, 2010·13 cites·37 claims
- 3172US6862562B1Computer method and apparatus for determining state of physical properties in a chemical processASPEN TECHNOLOGY INC·Filed 2000·Granted Mar 1, 2005·23 cites·22 claims
- 3271US7941277B2Computer method and system for predicting physical properties using a conceptual segment modelASPEN TECHNOLOGY INC·Filed 2006·Granted May 10, 2011·4 cites·27 claims
- 3371US6356857B1Sensor validation apparatus and methodASPEN TECHNOLOGY INC·Filed 1998·Granted Mar 12, 2002·78 cites·68 claims
- 3467US6381505B1Robust steady-state target calculation for model predictive controlASPEN TECHNOLOGY INC·Filed 1999·Granted Apr 30, 2002·50 cites·37 claims
- 3566US7809540B2Computer method and system for predicting physical properties using a conceptual segment-based ionic activity coefficient modelASPEN TECHNOLOGY INC·Filed 2005·Granted Oct 5, 2010·3 cites·59 claims
- 3664US7367018B2System and method for organizing and sharing of process plant design and operations dataASPEN TECHNOLOGY INC·Filed 2003·Granted Apr 29, 2008·7 cites·20 claims
- 3757US10755214B2Robust feedstock selection system for the chemical process industries under market and operational uncertaintyASPEN TECHNOLOGY INC·Filed 2016·Granted Aug 25, 2020·2 cites·19 claims
- 3852US6591244B2Computer method and apparatus for automatic execution of software applicationsASPEN TECHNOLOGY INC·Filed 1999·Granted Jul 8, 2003·99 cites·24 claims
- 3952US2013035923A1Methods Of Modeling Physical Properties Of Chemical Mixtures And Articles Of UseASPEN TECHNOLOGY INC·Filed 2012·Application pending·0 cites
- 4047US7231264B2Methods and articles for detecting, verifying, and repairing collinearity in a model or subsets of a modelASPEN TECHNOLOGY INC·Filed 2004·Granted Jun 12, 2007·5 cites·32 claims
- 4145US7251695B2Computer network communication method and apparatusASPEN TECHNOLOGY INC·Filed 2001·Granted Jul 31, 2007·6 cites·23 claims
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