Patents by Inventor Franz Siegl

Franz Siegl 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).

  • Method and system for separating waste polyurethane foams
    Patent number: 12017383
    Abstract: The invention relates to a method for separating waste polyurethane foams, wherein for each polyurethane sample (1) of a supply stream (2) comprising polyurethane samples (1) from waste at least one respective spectrum (3) is recorded, wherein the at least one respective spectrum (3) is recorded by near-infrared spectroscopy, wherein each polyurethane sample (1) of the supply stream (2) is classified by a classification algorithm (5), which classification algorithm (5) is based on machine learning, based on the respective at least one spectrum (3) into a respective class (8a-e) of at least two classes (8a-e), wherein the supply stream (2) comprising polyurethane samples (1) is separated into at least two streams (11a-e) according to the classification into the respective class (8a-e) and wherein each class (8a-e) corresponds to a type of polyurethane. The invention also relates to a system for separating waste polyurethane foams.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: June 25, 2024
    Assignees: COVESTRO DEUTSCHLAND AG, RECTICEL ENGINEERED FOAMS BELGIUM
    Inventors: Sascha Froebel, Torsten Heinemann, Robert Grimm, Katharina Ander, Franz Siegl, Jan Willems, Isabel Verlent, Joke De Geeter
  • METHOD AND SYSTEM FOR SEPARATING WASTE POLYURETHANE FOAMS
    Publication number: 20230264391
    Abstract: The invention relates to a method for separating waste polyurethane foams, wherein for each polyurethane sample (1) of a supply stream (2) comprising polyurethane samples (1) from waste at least one respective spectrum (3) is recorded, wherein the at least one respective spectrum (3) is recorded by near-infrared spectroscopy, wherein each polyurethane sample (1) of the supply stream (2) is classified by a classification algorithm (5), which classification algorithm (5) is based on machine learning, based on the respective at least one spectrum (3) into a respective class (8a-e) of at least two classes (8a-e), wherein the supply stream (2) comprising polyurethane samples (1) is separated into at least two streams (11a-e) according to the classification into the respective class (8a-e) and wherein each class (8a-e) corresponds to a type of polyurethane. The invention also relates to a system for separating waste polyurethane foams.
    Type: Application
    Filed: August 13, 2021
    Publication date: August 24, 2023
    Inventors: Sascha Froebel, Torsten Heinemann, Robert Grimm, Katharina Ander, Franz Siegl, Jan Willems, Isabel Verlent, Joke De Geeter