AI-created image
Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:grantYear |
1930
|
| gptkbp:inventedBy |
gptkb:Albert_Einstein
gptkb:Leó_Szilárd |
| gptkbp:motive |
improve refrigerator safety
|
| gptkbp:notableFeature |
no moving parts
used ammonia, butane, and water as working fluids |
| gptkbp:patent |
gptkb:US1781541A
|
| gptkbp:purpose |
refrigerator design
|
| gptkbp:status |
expired
|
| gptkbp:technology |
gptkb:absorption_refrigerator
|
| gptkbp:title |
gptkb:Refrigeration_apparatus
|
| gptkbp:yearFiled |
1926
|
| https://www.w3.org/2000/01/rdf-schema#label |
Einstein–Szilard patent
|