Patents by Inventor Thanh Duc Le

Thanh Duc Le 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).

  • Patent number: 11864561
    Abstract: A multipurpose fertilizer composition having anti-insect properties, water-retaining, and capable of improving to absorb micronutrients for plants obtained from the process of forming a homogeneous mixture by mixing a fertilizer mixture with at least three other ingredients including a chelation of trace elements solution, a water-retaining ingredient, and a plant extracts ingredients having anti-insect properties; wherein the chelation of trace elements solution having 5%-7% of the weight of the fertilizer mixture; the water-retaining ingredient having 7%-10% of the total weight of the fertilizer mixture, and the chelation of trace elements solution; the plant extracts ingredients having anti-insect properties having 0.08%-3% of the total weight of the fertilizer mixture, with the chelation of trace elements solution, and the water-retaining ingredient.
    Type: Grant
    Filed: June 28, 2023
    Date of Patent: January 9, 2024
    Assignee: THANH DUC LE
    Inventor: Thanh Duc Le
  • Publication number: 20080127830
    Abstract: A compact portable multifunctional tabletop air purifier used to adsorb the chemical fumes that are vaporized from the nail products. The air purifier is comprised of a main housing on a stationary base, a fan, a particle and chemical filter. This tabletop air purifier design provides powerful air inlet suction. Operating on top of the worktable, the air purifier directly extracts the fumes vaporized from nail chemicals including Acetates, Benzaledehyde, Benzyl Alcohol, Acetone, and etc. The main housing of the air purifier can be rotated up to 180 degrees relative to the base to be used as a fan or an artificial fingernail dryer. The present invention will be useful for both nail workers and the clients.
    Type: Application
    Filed: December 4, 2006
    Publication date: June 5, 2008
    Inventors: Thanh Duc Le, Kevin Duc Le