Patents by Inventor Alexander P. Flage

Alexander P. Flage 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).

  • Spunbonded Air-Filtration Web
    Publication number: 20220266180
    Abstract: A single-layer spunbonded air-filtration web including meltspun autogenously bonded electret fibers with an Actual Fiber Diameter of from 3.0 microns to 15 microns. The air-filtration web exhibits a ratio of mean flow pore size to pore size range of from 0.55 to 2.5. Also disclosed are methods of making such webs, and methods of using such webs to perform air filtration.
    Type: Application
    Filed: August 12, 2020
    Publication date: August 25, 2022
    Inventors: John D. Stelter, Zachary J. Becker, Michael R. Berrigan, Alexander P. Flage, Andrew R. Fox, Bryan L. Gerhardt, Himanshu Jasuja, William J. Kopecky, Patrick J. Sager, Samatha D Smith, Jacob J. Thelen, Kent B. Willgohs
  • Spunbonded Air-Filtration Web
    Publication number: 20220266181
    Abstract: A single-layer spunbonded air-filtration web including meltspun autogenously bonded electret fibers with an Actual Fiber Diameter of from 3.0 microns to 9.0 microns. The air-filtration web exhibits a mean flow pore size of from 8.0 to 19 microns and exhibits a ratio of mean flow pore size to pore size range of from 0.55 to 2.5. Also disclosed are methods of making such webs, and methods of using such webs to perform air filtration.
    Type: Application
    Filed: August 12, 2020
    Publication date: August 25, 2022
    Inventors: Himanshu Jasuja, Kent B. Willgohs, Jacob J. Thelen, John D. Stelter, Samatha D. Smith, Patrick J. Sager, William J. Kopecky, Bryan L Gerhardt, Andrew R. Fox, Alexander P. Flage, Michael R. Berrigan, Zachary J. Becker