Invention Grant
- Patent Title: Heat-conserving apparatus
- Patent Title (中): 保温装置
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Application No.: US16646517Application Date: 1917-05-04
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Publication No.: US1390516APublication Date: 1921-09-13
- Inventor: EHRHART RAYMOND N
- Applicant: WESTINGHOUSE ELECTRIC & MFG CO
- Assignee: Westinghouse Electric & Mfg Co
- Current Assignee: Westinghouse Electric & Mfg Co
- Priority: US16646517 1917-05-04
- Main IPC: F01K9/02
- IPC: F01K9/02
Public/Granted literature
- US11596168B2 Modular nut cleaning plant Public/Granted day:2023-03-07
Information query
