Patents by Inventor Hans Pettersson

Hans Pettersson 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: 5285814
    Abstract: Setting device for a valve for the manual control of the position of a valve body. The handle portion of the setting device is provided with two wing portions extending in opposite circumferential directions outside a central portion of the handle portion. The handle portion can be manuvered by means of the screwdriver or the like, even in narrow spaces.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: February 15, 1994
    Assignee: AB Mecman
    Inventors: Hans Pettersson, Peter Merz
  • Patent number: 5277622
    Abstract: Electric connecting device for electrically controlled, so called pilot valves (21-25) connected to a corresponding number of valves (1-5) in a modular valve array. Each pilot valve has equally placed contact pins (26,27,28), which are connected to a common, flexible connecting cable (29) with a plurality of conductors (29) over an electric connecting module (30). Each connecting module (30) is constituted by a coupling plate (32) provided with on the one hand contact sockets (33,34,35) for connection to said contact pins (26,27,28) of the respective pilot valve, and on the other hand a multipolar contact means (37), which is connectable to a corresponding cable contact means (38), which is connected to conductors of the common connecting cable (29). The coupling plate (32) is provided with an array of preferably controllable electrical connections (36) for the desired connection between said multipolar cable contact means (37) and said contact sockets (33,34,35).
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: January 11, 1994
    Assignee: AB Rexroth Mecman
    Inventors: Anders Liljenberg, Hans Pettersson