Patents by Inventor Robert M. Apap

Robert M. Apap has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Robust feedstock selection system for the chemical process industries under market and operational uncertainty
    Patent number: 10755214
    Abstract: A computer system and method optimize feedstock selection planning for an industrial process by evaluating first and second stages at separate intervals throughout the planning process. Evaluating the first stage determines a set of robust feedstocks to procure on long-term contracts. The computer system and method solve, in parallel, multiple simulation cases of a non-linear model generated with different expectation values for uncertain input parameters related to selecting feedstocks to procure on long-term contracts. Probabilistic analyses on the solutions from the simulation cases, including the application of chance-constraints, determine the set of robust feedstocks to procure on long-term contracts. Evaluating the second stage determines a set of robust feedstocks to procure in the spot market, using the information from the first stage.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: August 25, 2020
    Assignee: Aspen Technology, Inc.
    Inventors: Robert M. Apap, Dimitrios Varvarezos
  • ROBUST FEEDSTOCK SELECTION SYSTEM FOR THE CHEMICAL PROCESS INDUSTRIES UNDER MARKET AND OPERATIONAL UNCERTAINTY
    Publication number: 20170308831
    Abstract: A computer system and method optimize feedstock selection planning for an industrial process by evaluating first and second stages at separate intervals throughout the planning process. Evaluating the first stage determines a set of robust feedstocks to procure on long-term contracts. The computer system and method solve, in parallel, multiple simulation cases of a non-linear model generated with different expectation values for uncertain input parameters related to selecting feedstocks to procure on long-term contracts. Probabilistic analyses on the solutions from the simulation cases, including the application of chance-constraints, determine the set of robust feedstocks to procure on long-term contracts. Evaluating the second stage determines a set of robust feedstocks to procure in the spot market, using the information from the first stage.
    Type: Application
    Filed: April 20, 2016
    Publication date: October 26, 2017
    Inventors: Robert M. Apap, Dimitrios Varvarezos