Patents by Inventor Helmut Stache

Helmut Stache 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).

  • Automatic washing machine for textiles having separate containers for washing substances, meters and common pre-mix channel for metered substances
    Patent number: 4188807
    Abstract: Washing process for textiles in an automatic washing machine, with application of active washing substances, structural substances and bleaching agents, involving loading of the textiles in the washing machine, adding water, agitating the textiles in the washing solution, pumping off the washing solution, and sequential rinse cycles, wherein the following active substances or combination of active substances are maintained in pumpable form in separate containers and added to the mixture in pumpable form before or during the washing process:1. Active washing substances,2. Structural substances,3. A stabilized bleaching agent, if required,4. A catalyst which accelerates the bleaching process, if required, and5. A soft rinse agent, if required. After loading of the textiles to be laundered, the water is added in the ratio of 1:4 to 1:30 of kg. dry textile to liters water, 0.5 to 3.5 g of active washing substances per liter washing mixture are added, 2 to 6.
    Type: Grant
    Filed: June 9, 1978
    Date of Patent: February 19, 1980
    Assignee: Bosch-Siemens Hausgerate GmbH
    Inventors: Richard Graf, Lieselotte Brodzina, Rudolf Strobele, Helmut Stache
  • Process for washing textiles in an automatic washing machine, working substances and apparatus for its performance
    Patent number: 4110075
    Abstract: Washing process for textiles in an automatic washing machine, with application of active washing substances, structural substances and bleaching agents, involving loading of the textiles in the washing machine, adding water, agitating the textiles in the washing solution, pumping off the washing solution, and sequential rinse cycles, wherein the following active substances or combination of active substances are maintained in pumpable form in separate containers and added to the mixture in pumpable form before or during the washing process:1. Active washing substances,2. Structural substances,3. A stabilized bleaching agent, if required,4. A catalyst which accelerates the bleaching process, if required, and5. A soft rinse agent, if required. After loading of the textiles to be laundered, the water is added in the ratio of 1:4 to 1:30 of kg. dry textile to liters water, 0.5 to 3.5 g of active washing substances per liter washing mixture are added, 2 to 6.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: August 29, 1978
    Assignees: Bosch-Siemens Hausgerate GmbH, Chemische Werke Huls A.G.
    Inventors: Richard Graf, Lieselotte Brodzina, Rudolf Strobele, Helmut Stache