Invention Grant
- Patent Title: Rotary valve for internal combustion engines
- Patent Title (中): 内燃机用旋转阀
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Application No.: US17368437Application Date: 1937-11-09
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Publication No.: US2137129APublication Date: 1938-11-15
- Inventor: JOHN BROWN , EDWARD BROWN
- Applicant: JOHN BROWN , EDWARD BROWN
- Assignee: Brown John,Brown Edward
- Current Assignee: Brown John,Brown Edward
- Priority: GB3074336 1937-11-04; GB2137129X 1936-11-11
- Main IPC: F01L7/02
- IPC: F01L7/02 ; F01L7/16
Public/Granted literature
- US20220005702A1 PROCESS FOR MANUFACTURING A SILICON CARBIDE SEMICONDUCTOR DEVICE HAVING IMPROVED CHARACTERISTICS Public/Granted day:2022-01-06
Information query
