Patents by Inventor R. Umar Hasan Saputra

R. Umar Hasan Saputra 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).

  • Process for producing coal-based fertilizer and the products produced
    Patent number: 10683243
    Abstract: This invention is connected with the products and the process of coal-based fertilizer, the process of which starts with coal crushing, filtering, mixing with other substances such as salt and essential nutrients maturing and forming the fertilizer into granules or prills (granulation). The processes of crushing and filtering will make the coal change into a simple form so that it can more easily be used by plants, while the granulation process will make this coal fertilizer easier to use when the application of fertilizing has to be done.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: June 16, 2020
    Assignee: R. Umar Hasan Saputra
    Inventor: R. Umar Hasan Saputra
  • PROCESS FOR PRODUCING COAL-BASED FERTILIZER AND THE PRODUCTS PRODUCED
    Publication number: 20170233302
    Abstract: This invention is connected with the products and the process of coal-based fertilizer, the process of which starts with coal crushing, filtering, mixing with other substances such as salt and essential nutrients maturing and forming the fertilizer into granules or prills (granulation). The processes of crushing and filtering will make the coal change into a simple form so that it can more easily be used by plants, while the granulation process will make this coal fertilizer easier to use when the application of fertilizing has to be done.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 17, 2017
    Inventor: R. Umar Hasan Saputra