Patents by Inventor Steven H. Harder

Steven H. Harder 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 to Generate Seismic S Waves and Love Waves Using Inclined Explosive Charges
    Publication number: 20240061138
    Abstract: Certain embodiments are directed to seismic survey systems for generating S-waves and Love waves for seismic exploration using explosives in inclined holes. The direction in which the inclined hole is drilled controls the azimuthal polarization of the S-waves generated. The explosive needs to be placed tightly into the borehole eliminating fluids from around the charge or alternatively grouted and stemmed to eliminate fluids.
    Type: Application
    Filed: August 11, 2023
    Publication date: February 22, 2024
    Inventor: Steven H. Harder
  • Battery welding method
    Patent number: 4037077
    Abstract: A welding method for joining lead parts together in a lead-based battery is disclosed using an inert gas-shielded, non-consumable electrode and an ingot-like mold surrounding the lead parts to be fused. The electrode arc is struck substantially directly over the lead parts and the electrode arc is passed in a line type weld longitudinally over the lead part for more than one full pass, whereby the lead parts flow together and are confined by the surrounding mold.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: July 19, 1977
    Assignee: The Gates Rubber Company
    Inventor: Steven H. Harder