Patents by Inventor Rainer Spane

Rainer Spane 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: 4806169
    Abstract: A process for the removal of solid deposits, especially calcium-, iron-, manganese-containing incrustations and mixtures thereof, from water supply installations wherein an aqueous solution comprising a mineral acid, preferably hydrochloric acid corresponding to a normality of the solution of 0.001 N to 6 N, and hydrogen peroxide in a proportion of 0.05 to 20% by weight of the total solution, is applied to the interior surfaces of the installations by, for example, spraying or rinsing.
    Type: Grant
    Filed: June 4, 1985
    Date of Patent: February 21, 1989
    Assignee: R. Spane GmbH & Co. KG
    Inventors: Rainer Spane, Thomas Kotzsch