An Unflattened Identity and Change Knowledge Graph

G.S. Hungerford unspecified sense

person · 2 mentions

Co-patentee of coffee machines

Defining properties

Perspectives

Claims grouped by the voice that makes them.

William H. Ukers (author)

  • G.S. Hungerford granted patents on coffee machines 1880-81
    patents granted to G.W. and G.S. Hungerford on machines for cleaning, scouring, and polishing coffee
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly supported by the passage, which explicitly states that patents were granted to G.W. and G.S. Hungerford in 1880-81 on machines for cleaning, scouring, and polishing coffee. The specific dates and the involvement of G.S. Hungerford are clearly stated.
    • qualifier_fidelity 0.90 pass — The claim is largely faithful to the passage. The viewpoint, stance, sentiment, time, and quote are all accurate. The context is appropriately empty as the passage does not restrict the claim to a specific sense or role. Minor note: The quote specifies the machines were "for cleaning, scouring, and polishing coffee" rather than just generic "coffee machines," but this is a reasonable paraphrase and does not constitute a material qualification error.
  • G.S. Hungerford is granted united states patents on machines for cleaning, scouring, and polishing coffee 1880-81
    G.W. and G.S. Hungerford are granted United States patents on machines for cleaning, scouring, and polishing coffee
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The text explicitly mentions that 'G.W. and G.S. Hungerford are granted United States patents on machines for cleaning, scouring, and polishing coffee' during 1880-81, matching all elements of the subject, predicate, object, and time period in the claim.
    • qualifier_fidelity 0.90 pass — The claim is nearly faithful to the passage. The subject correctly identifies G.S. Hungerford (one of two grantees), the predicate and object accurately reflect the passage, perspective qualifiers are appropriate (viewpoint: 'author' is correct as no named source is attributed; stance and sentiment are accurate), and the time qualifiers correctly normalize to 1880-81 with valid_from and valid_to boundaries. The quote is verbatim and supports the claim. Minor deduction: The claim presents only G.S. Hungerford individually rather than both G.W. and G.S. Hungerford as joint grantees, which technically omits context about the co-grantee, though this is a minor issue since the claim focuses on one party's involvement which is factually supported.

Change over time

1880-81
  • granted patents on coffee machines
  • is granted united states patents on machines for cleaning, scouring, and polishing coffee