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公开(公告)号:US2297649A
公开(公告)日:1942-09-29
申请号:US30832739
申请日:1939-12-09
Applicant: DONALDSON PISTON CORP
Inventor: SHEARMAN DONALDSON JOHN
IPC: F16J1/16
CPC classification number: F16J1/16
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公开(公告)号:US2095381A
公开(公告)日:1937-10-12
申请号:US66610633
申请日:1933-04-14
Applicant: DONALDSON PISTON CORP
Inventor: SHEARMAN DONALDSON JOHN
IPC: F16J1/02
CPC classification number: F16J1/02 , Y10T403/259
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公开(公告)号:US2212366A
公开(公告)日:1940-08-20
申请号:US18932938
申请日:1938-02-08
Applicant: DONALDSON PISTON CORP
Inventor: SHEARMAN DONALDSON JOHN
IPC: F16H21/34
CPC classification number: F16H21/34 , Y10T74/2143
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公开(公告)号:US2334318A
公开(公告)日:1943-11-16
申请号:US31367640
申请日:1940-01-13
Applicant: DONALDSON PISTON CORP
Inventor: SHEARMAN DONALDSON JOHN
CPC classification number: F02F3/0023 , F02F3/02 , F05C2201/021 , F05C2201/0448 , F05C2251/042
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公开(公告)号:US2289251A
公开(公告)日:1942-07-07
申请号:US18932838
申请日:1938-02-08
Applicant: DONALDSON PISTON CORP
Inventor: SHEARMAN DONALDSON JOHN
CPC classification number: F16J1/22 , F02F3/0015 , F02F3/285 , F05C2201/021 , F05C2201/0448
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