Patents by Inventor Kenneth Engelman

Kenneth Engelman 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).

  • Dispersant and detergent systems for improved motor oil performance
    Patent number: 11926804
    Abstract: The present disclosure relates to passenger car motor oil lubricating oil compositions having select dispersant and detergent systems to improve at least one of deposits, sludge, oxidization, and wear when using a blend of API Group II base oils with one or more API Group III and/or API Group IV base oils. The dispersant systems herein includes select amounts of boron, nitrogen, and total base number contributions that surprisingly achieve performance even when including higher amounts of the API Group II base oils in the lubricants.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: March 12, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Leah Donham, Kongsheng Yang, Kenneth Garelick, Kristi Engelman
  • Folded high-profile ridge cover, and method of making
    Patent number: 7124548
    Abstract: A centrally-folded and centrally-thickened ridge cover is formed from sheet shingle material by repeatedly back folding the material on itself to provide a thickened central portion for the ridge cover. The thickened central portion is disposed intermediate of a lower and an upper portion of the ridge cover. A plurality of inscribed transverse grooves are impressed into the work piece of sheet shingle material, to insure that the work piece folds at desired locations to form the back folds and thickened central portion of the finished ridge cover. A method of effecting the desired folding of a ridge cover work piece is also disclosed.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: October 24, 2006
    Inventors: Joseph Pressutti, Kenneth Engelman, Lawrence Penner
  • Folded high-profile ridge cover, and method of making
    Publication number: 20050055902
    Abstract: A centrally-folded and centrally-thickened ridge cover is formed from sheet shingle material by repeatedly back folding the material on itself to provide a thickened central portion for the ridge cover. The thickened central portion is disposed intermediate of a lower and an upper portion of the ridge cover. A plurality of inscribed transverse grooves are impressed into the work piece of sheet shingle material, to insure that the work piece folds at desired locations to form the back folds and thickened central portion of the finished ridge cover. A method of effecting the desired folding of a ridge cover work piece is also disclosed.
    Type: Application
    Filed: August 26, 2003
    Publication date: March 17, 2005
    Inventors: Joseph Pressutti, Kenneth Engelman, Lawrence Penner