William H. Ukers (author)
developed under United States patents granted to Carl H. Duehring, of Hoboken, in 1897
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'developed under United States patents granted to Carl H. Duehring, of Hoboken, in 1897.' The passage explicitly confirms that Carl H. Duehring was granted a United States patent in 1897 for a central-heated gas-fuel machine.
- qualifier_fidelity 0.90 pass — The claim is faithful to the passage with one minor qualifier issue: the quote states the machine was 'developed under United States patents granted to Carl H. Duehring, of Hoboken, in 1897,' which supports the 1897 date and Carl H. Duehring as patent holder. The perspective, stance, sentiment, and time qualifiers all match the passage. However, the context field is empty when it could more precisely specify this refers to a 'central-heated gas-fuel machine' as the passage does. This is a minor omission rather than an infidelity, as the passage does not restrict the claim to a specific sense that contradicts an empty context. All core qualifiers are accurate and supported by the quoted passage.
- Carl H. Duehring granted united states patent on coffee roaster coffee roaster 1897 ⟨Hoboken, New Jersey, assignor to D.B. Fraser, New York⟩
Carl H. Duehring, Hoboken, N.J., assignor to D.B. Fraser, New York, is granted a United States patent on a coffee roaster
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 Carl H. Duehring from Hoboken, N.J. was granted a United States patent on a coffee roaster in 1897.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself makes this assertion). The stance is accurately characterized as 'asserts' - the passage presents this as a straightforward fact. The sentiment is neutral, matching the passage's objective, documentary tone. The time qualifier correctly identifies 1897 as when the patent was granted. The context appropriately includes the location (Hoboken, N.J.) and the assignment detail (assignor to D.B. Fraser, New York), capturing the specific circumstances mentioned in the passage. The quote is verbatim and directly supports the claim.