Patents by Inventor Gosta I. Ingemarsson

Gosta I. Ingemarsson 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: 4158627
    Abstract: Method and apparatus for drying waste matter such as sludge accumulated in a sewage treatment facility. The sludge is mixed with flocculating chemicals and thoroughly stirred. The mixture is then allowed to drain for a predetermined time in a porous-bottomed basin. A porous web preferably of braided wire which is movable across the basin floor carries the drained sludge to a pressing facility which squeezes the sludge between a pair of linear squeezing plates. As the web leaves the basin it is joined by a second web capturing the sludge therebetween for delivery to the pressing facility. The sludge may be air-blown in the pressing facility to achieve further dryness.The common guiding roll about which the two webs merge also serves as an end wall for the aforementioned basin.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: June 19, 1979
    Assignee: AB Kalle-Regulatorer
    Inventor: Gosta I. Ingemarsson