Patent search ap:("HARTFORD EMPIRE CO") AND inv:"SCHAEFER REINHOLD A" Page 1

$Method of making self-insulated refractories$

1.

发明授权
Method of making self-insulated refractories 失效
Title translation: 制造自绝缘耐火材料的方法

公开(公告)号：US2364317A

公开(公告)日：1944-12-05

申请号：US41103041

申请日：1941-09-16

Applicant: HARTFORD EMPIRE CO

Inventor： SCHAEFER REINHOLD A

IPC: B28B1/50 , B32B18/00 , C04B38/02

CPC classification number: B28B1/50 , C04B38/02 , Y10S264/14 , Y10S264/63 , C04B35/00

$Refractory for contact with molten glass and process for making the same$

2.

发明授权
Refractory for contact with molten glass and process for making the same 失效
Title translation: 与熔融玻璃接触的耐火材料及其制造方法

公开(公告)号：US2308473A

公开(公告)日：1943-01-12

申请号：US29375439

申请日：1939-09-07

Applicant: HARTFORD EMPIRE CO

Inventor： WADMAN HAROLD A , SCHAEFER REINHOLD A

IPC: C04B35/66

CPC classification number: C04B35/66

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