Patents by Inventor Walter Westenberger

Walter Westenberger 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).

  • Dosing gun, in particular high-pressure dosing gun
    Patent number: 5203508
    Abstract: A dosing gun (500) comprising a revolving valve element (518), arranged fixedly in a first casing (506) which is immovably connected with the gun housing (502). The first casing (506) has a second spring-loaded casing (544) linked to it in a mobile way, which contains a hollow cylinder (514) having on its frontal part valve seats (542, 554). The dosing gun (500) can operate with or without a supply of compressed air.
    Type: Grant
    Filed: September 12, 1990
    Date of Patent: April 20, 1993
    Inventor: Walter Westenberger