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公开(公告)号：US1521493A
公开(公告)日：1924-12-30
申请号：US68139023
申请日：1923-12-18
Applicant: JOHN WHIKEHART
Inventor： JOHN WHIKEHART
IPC: F23D14/10
CPC classification number: F23D14/10 , Y10T137/86292 , Y10T137/87587
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公开(公告)号：US1944818A
公开(公告)日：1934-01-23
申请号：US63366332
申请日：1932-09-17
Applicant: JOHN WHIKEHART
Inventor： JOHN WHIKEHART
IPC: C10J1/00
CPC classification number: C10J1/00
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公开(公告)号：US1747094A
公开(公告)日：1930-02-11
申请号：US20286627
申请日：1927-07-01
Applicant: JOHN WHIKEHART
Inventor： JOHN WHIKEHART
IPC: C10J1/00
CPC classification number: C10J1/00
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