Patents by Inventor Petri Pursiheimo

Petri Pursiheimo 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).

  • Sampling method and method for cleaning sampling apparatus
    Patent number: 6432265
    Abstract: The object of the invention is a sampling apparatus in a continuous industrial process for taking a sample of the substance to be monitored. The sampling apparatus is located on the wall of the pulp tank and it includes a sample chamber, which is equipped with a cover, and a filter. The sample chamber includes a closing device, by means of which the connection from the pulp tank to the sample chamber can be closed, as a result of which the filter remains in the sample chamber in the space between the cover and the closing device. The filter can be pulled out of the sample chamber for cleaning after the cover of the sample chamber has been opened. Another object of the invention is a sampling method and a cleaning method for the sampling apparatus presented.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: August 13, 2002
    Assignee: ABB Industry Oy
    Inventors: Petri Pursiheimo, Claes Zetter
  • Sampling method and method for cleaning sampling apparatus
    Publication number: 20020059996
    Abstract: The object of the invention is a sampling apparatus in a continuous industrial process for taking a sample of the substance to be monitored. The sampling apparatus is located on the wall of the pulp tank and it includes a sample chamber, which is equipped with a cover, and a filter. The sample chamber includes a closing device, by means of which the connection from the pulp tank to the sample chamber can be closed, as a result of which the filter remains in the sample chamber in the space between the cover and the closing device. The filter can be pulled out of the sample chamber for cleaning after the cover of the sample chamber has been opened. Another object of the invention is a sampling method and a cleaning method for the sampling apparatus presented.
    Type: Application
    Filed: July 18, 2001
    Publication date: May 23, 2002
    Inventors: Petri Pursiheimo, Claes Zetter
  • Sampling apparatus with removable filter for cleaning
    Patent number: 6287416
    Abstract: The object of the invention is a sampling apparatus in a continuous industrial process for taking a sample (16) of the substance to be monitored (11). The sampling apparatus is located on the wall (11) of the pulp tank and it includes a sample chamber (14), which is equipped with a cover (13), and a filter (15). The sample chamber includes a closing device (18, 24), by means of which the connection from the pulp tank to the sample chamber can be closed, as a result of which the filter remains in the sample chamber in the space between the cover and the closing device. The filter can be pulled out of the sample chamber for cleaning after the cover of the sample chamber has been opened. Another object of the invention is a sampling method and a cleaning method for the sampling apparatus presented.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: September 11, 2001
    Assignee: ABB Industry Oy
    Inventors: Petri Pursiheimo, Claes Zetter