Patents by Inventor Petrus Johannes A. N. Van Niekerk

Petrus Johannes A. N. Van Niekerk 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: 6520118
    Abstract: This invention relates to an animal actuated applicator (10) suitable for applying a fluid such as a pesticide to an animal, the applicator (10) comprising dispensing means (60) for dispensing the fluid and actuating means (12) for actuating the dispensing means. The actuating means (12) includes a base plate (16) which is in use displaced when the animal steps thereon, the degree of displacement being dependent proportionally on the animal's weight being transferred to the base plate (16). The actuating means (12) also includes at least one pressure lever (22) which is operatively associated with the base plate (16) and which is arranged to be displaced in response to the displacement of the base plate (16). An actuator is provided for actuating the dispensing means (60) in response to displacement of the pressure lever (22) to dispense a volume of fluid which is proportional to the animal's weight being transferred to the base plate (16).
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: February 18, 2003
    Assignee: Bosluis Patente (EDMS.) Beperk
    Inventors: Willie Swiegers, Petrus Johannes A. N. Van Niekerk
  • Publication number: 20020066415
    Abstract: This invention relates to an animal actuated applicator (10) suitable for applying a fluid such as a pesticide to an animal, the applicator (10) comprising dispensing means (60) for dispensing the fluid and actuating means (12) for actuating the dispensing means. The actuating means (12) includes a base plate (16) which is in use displaced when the animal steps thereon, the degree of displacement being dependent proportionally on the animal's weight being transferred to the base plate (16). The actuating means (12) also includes at least one pressure lever (22) which is operatively associated with the base plate (16) and which is arranged to be displaced in response to the displacement of the base plate (16).
    Type: Application
    Filed: September 28, 2001
    Publication date: June 6, 2002
    Inventors: Willie Swiegers, Petrus Johannes A. N. Van Niekerk