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Aspen Technology Inc

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Quarterly net insider trading by AZPN's directors and management

Government lobbying spending instances

  • $20,000 Mar 03, 2004 Issue: Energy/Nuclear
  • $35,000 Aug 27, 2003 Issue: Energy/Nuclear

Estimated quarterly lobbying spending

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U.S. Patents

New patents grants

  • Patent Title: Computer system and method for building and deploying models predicting plant asset failure May. 31, 2022
  • Patent Title: Classification of operating plan data using machine learning May. 03, 2022
  • Patent Title: Molecular characterization method and system Aug. 24, 2021
  • Patent Title: Computer system and method for the dynamic construction and online deployment of an operation-centric first-principles process model for predictive analytics Apr. 27, 2021
  • Patent Title: Computer system and method for monitoring key performance indicators (kpis) online using time series pattern model Feb. 16, 2021
  • Patent Title: Robust feedstock selection system for the chemical process industries under market and operational uncertainty Aug. 25, 2020
  • Patent Title: Computer system and method for causality analysis using hybrid first-principles and inferential model Aug. 11, 2020
  • Patent Title: Computer system and method for building and deploying predictive inferential models online to predict behavior of industrial processes Jun. 30, 2020
  • Patent Title: Display screen with graphical user interface Oct. 15, 2019
  • Patent Title: Method to represent metal content in crude oils, reactor feedstocks, and reactor products Aug. 27, 2019
  • Patent Title: Runtime modeling approach to updating refinery planning models Jun. 04, 2019
  • Patent Title: Computer method and apparatus converting process engineering application data into a canonical flowsheet representation Nov. 13, 2018
  • Patent Title: Formulating steady-state targets using prioritized objective functions Sep. 25, 2018
  • Patent Title: Computer system and method for causality analysis using hybrid first-principles and inferential model Jul. 24, 2018
  • Patent Title: Rundown blending optimization apparatus and method Jul. 17, 2018
  • Patent Title: Method of characterizing chemical composition of crude oil for petroleum processing Apr. 03, 2018
  • Patent Title: Achieving stateful application software service behavior in distributed stateless systems Mar. 27, 2018
  • Patent Title: Computer apparatus and method using model structure information of model predictive control Aug. 08, 2017
  • Patent Title: Online control calculation for models containing near colinearity and uncertainty Jul. 25, 2017
  • Patent Title: Display screen with graphical user interface Jun. 27, 2017
  • Patent Title: Activated workflow May. 09, 2017
  • Patent Title: Method and system for stateful recovery and self-healing Feb. 14, 2017
  • Patent Title: Apparatus and methods for non-invasive closed loop step testing using a tunable trade-off factor Dec. 06, 2016
  • Patent Title: Method and system to unify and display simulation and real-time plant data for problem-solving Sep. 13, 2016
  • Patent Title: Applied client-side service integrations in distributed web systems May. 31, 2016
  • Patent Title: Display screen with graphical user interface Feb. 23, 2016
  • Patent Title: Apparatus and method for automated data selection in model identification and adaptation in multivariable process control Sep. 22, 2015
  • Patent Title: Method of optimizing product output rate of packed columns Aug. 04, 2015
  • Patent Title: Configuration engine for a process simulator Mar. 17, 2015
  • Patent Title: Computer method and system for predicting physical properties using a conceptual segment model Mar. 04, 2014
  • Patent Title: Extension of cosmo-sac solvation model for electrolytes Feb. 25, 2014
  • Patent Title: Apparatus and method of designing or optimizing a column for a separation process Feb. 11, 2014
  • Patent Title: Apparatus and method for model quality estimation and model adaptation in multivariable process control Oct. 15, 2013
  • Patent Title: Computer method and system for predicting physical properties using a conceptual segment model Sep. 03, 2013
  • Patent Title: System and method of modeling mono-glycerides, diglycerides and triglycerides in biodiesel feedstock Aug. 20, 2013
  • Patent Title: Method of determining flood points of packed columns May. 28, 2013
  • Patent Title: Computer method and system for predicting physical properties using a conceptual segment-based ionic activity coefficient model Feb. 05, 2013
  • Patent Title: Methods of modeling physical properties of chemical mixtures and articles of use Jan. 01, 2013
  • Patent Title: Systems and methods for modeling of crystallization processes Nov. 20, 2012
  • Patent Title: Computer method and apparatus for constraining a non-linear approximator of an empirical process Oct. 23, 2012
  • Patent Title: Computer method and system for predicting physical properties using a conceptual segment model Dec. 20, 2011
  • Patent Title: Computer method and system for predicting physical properties using a conceptual segment model May. 10, 2011
  • Patent Title: Computer method and system for predicting physical properties using a conceptual segment-based ionic activity coefficient model Oct. 05, 2010
  • Patent Title: Methods of modeling physical properties of chemical mixtures and articles of use Mar. 02, 2010
Government Contracts

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* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

AZPN Stock Smart Score

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The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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