An Unflattened Identity and Change Knowledge Graph

Sigmund Sternau unspecified sense

person · 3 mentions

Inventor and assignor of percolator patent in 1904

Defining properties

Perspectives

Claims grouped by the voice that makes them.

William H. Ukers (author)

  • Sigmund Sternau was granted patent on percolator in 1904
    In 1904, Sigmund Sternau, J.P. Steppe, and L. Strassberger, assignors to S. Sternau & Co., New York, were granted a United States patent on a percolator.
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote provided matches the passage verbatim, confirming that Sigmund Sternau was granted a United States patent on a percolator in 1904.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (not a named source within the passage). The stance is 'asserts' which matches the factual presentation in the passage. The sentiment is neutral, appropriate for a straightforward historical fact. The time qualifier 'in 1904' matches the passage exactly. The context is empty, which is appropriate as the passage does not restrict the claim to a particular sense or role. The quote appears verbatim in the passage and directly supports the claim about Sigmund Sternau being granted a patent on a percolator in 1904.
  • Sigmund Sternau is granted patent on coffee percolator 1904 ⟨New York⟩
    Sigmund Sternau, J.P. Steppe, and L. Strassberger, assignors to S. Sternau & Co., New York, are granted a United States patent on a coffee percolator
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote provided matches the passage verbatim, confirming that Sigmund Sternau (along with co-inventors) was granted a United States patent on a coffee percolator in 1904.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself, not a named source). The stance is 'asserts' which matches the factual presentation. The sentiment is neutral, appropriate for a factual patent record. The time is correctly set to 1904 with matching valid_from and valid_to dates. The context 'New York' accurately reflects the passage's specification of the assignee's location. The quote appears verbatim in the passage and directly supports the claim about Sigmund Sternau being granted a patent on a coffee percolator.

Change over time

in 1904
  • was granted patent on percolator
1904
  • is granted patent on coffee percolator