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Measuring particulate in liquid storage tanks

  • US 7,266,994 B1
  • Filed: 10/06/2004
  • Issued: 09/11/2007
  • Est. Priority Date: 11/12/2003
  • Status: Expired due to Fees
First Claim
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1. A visual apparatus for measuring particulate content in a gasoline or diesel fuel storage tank using a field visual reference comprising:

  • a sample of gasoline or diesel fuel taken from a gasoline or diesel fuel storage tank;

    a photograph image of a first sample consisting of only gasoline or diesel fuel;

    a photograph image of a second sample of gasoline or diesel fuel containing a maximum allowable particulate for consumer sales; and

    a multiplicity of photograph images of samples of gasoline or diesel fuel, each sample of the multiplicity containing a different, measured amount of particulate, wherein the particulate has settled to the bottom of the sample.

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