Patents by Inventor Herman Kolderup

Herman Kolderup 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).

  • Equipment for sampling and work-up for analysis of PAH and other organic compounds, and hydrogen fluoride and sulphur oxides
    Patent number: 5571477
    Abstract: Equipment samples and processes for analysis PAH and other organic compounds, as well as hydrogen fluoride and sulphur oxides in air and in gas in production equipment.The equipment comprises a layered adsorption device 1 in which the adsorbents are dry. During sampling, the adsorption device 1 is connected at its upper end to a probe 8, which is brought into contact with the object to be sampled, and connected at its lower end to a gel box 10, a pump 9 and a gas clock 12, in series. After sampling, the adsorption device 1 may be connected directly to an extraction apparatus 11 for the processing of the sample.
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: November 5, 1996
    Assignee: Norsk Hydro A.S.
    Inventors: Kalman Nagy, Trygve Foon.ae butted.s, Herman Kolderup, Knut Bergli