Patents Assigned to Blumhardt Manufacturing Co.
  • Agricultural spraying apparatus
    Patent number: 4441655
    Abstract: Sprayer apparatus for agricultural applications is disclosed. The sprayer apparatus disclosed includes spring-biased, damped booms having an inner portion with a parallelogram form. The individual booms have two points of articulation and they are spring-biased to a center position to permit breakaway. A linkage is provided which tends to list the outer section of each boom during breakaway.
    Type: Grant
    Filed: March 6, 1981
    Date of Patent: April 10, 1984
    Assignee: Blumhardt Manufacturing Co.
    Inventor: Harold Blumhardt