公开(公告)号：US2967221A

公开(公告)日：1961-01-03

申请号：US60991556

申请日：1956-09-14

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： FRIEDRICH ROBERT E

IPC: H01H33/14 ,  H01H33/825 ,  H01H75/04

CPC classification number: H01H33/14 ,  H01H75/04

公开(公告)号：US2538773A

公开(公告)日：1951-01-23

申请号：US74554147

申请日：1947-05-02

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： FRIEDRICH ROBERT E ,  VON MEHREN OSWALD

IPC: H01H33/98

CPC classification number: H01H33/98

公开(公告)号：US2470611A

公开(公告)日：1949-05-17

申请号：US72442547

申请日：1947-01-25

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： FRIEDRICH ROBERT E

IPC: H01H33/98

CPC classification number: H01H33/98

公开(公告)号：US2424343A

公开(公告)日：1947-07-22

申请号：US48862443

申请日：1943-05-27

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： SICKLE ROSWELL C VAN ,  FRIEDRICH ROBERT E ,  FRY FRANCIS J

IPC: H01H33/98

CPC classification number: H01H33/98

公开(公告)号：US3284602A

公开(公告)日：1966-11-08

申请号：US16095761

申请日：1961-12-20

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： FRIEDRICH ROBERT E ,  COLCLASER JR ROBERT G ,  HENRIK GREGER

IPC: H01H33/02 ,  H01H33/16 ,  H01H33/56 ,  H01H33/82 ,  H01H33/825

CPC classification number: H01H33/16 ,  H01H33/02 ,  H01H33/56 ,  H01H33/82

公开(公告)号：US3164703A

公开(公告)日：1965-01-05

申请号：US84013359

申请日：1959-09-15

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： FRIEDRICH ROBERT E ,  LENTJES CARL G ,  CUSHING GEORGE B

IPC: H01H9/08 ,  H01H33/00 ,  H01H33/02 ,  H01H33/91 ,  H01H33/915 ,  H02H7/22

CPC classification number: H01H9/08 ,  H01H33/008 ,  H01H33/025 ,  H01H33/027 ,  H01H33/91 ,  H01H2009/526 ,  H02H7/222

公开(公告)号：US2981814A

公开(公告)日：1961-04-25

申请号：US63540057

申请日：1957-01-22

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： FRIEDRICH ROBERT E

IPC: H01H33/00 ,  H01H33/02 ,  H01H33/14 ,  H01H33/16 ,  H01H33/91 ,  H01H33/915

CPC classification number: H01H33/16 ,  H01H33/008 ,  H01H33/027 ,  H01H33/14 ,  H01H33/91

公开(公告)号：US2979591A

公开(公告)日：1961-04-11

申请号：US76202758

申请日：1958-09-19

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： FRIEDRICH ROBERT E

IPC: H01H33/00 ,  H01H33/14 ,  H01H33/56 ,  H01H33/91 ,  H01H33/915

CPC classification number: H01H33/14 ,  H01H33/008 ,  H01H33/565 ,  H01H33/91

公开(公告)号：US2619356A

公开(公告)日：1952-11-25

申请号：US14287650

申请日：1950-02-07

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： FRIEDRICH ROBERT E ,  JOSEPH SUCHA

IPC: F16K24/04 ,  H01H33/55

CPC classification number: F16K24/04 ,  H01H33/55 ,  Y10T137/7776

公开(公告)号：US3383519A

公开(公告)日：1968-05-14

申请号：US33274763

申请日：1963-12-23

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： COLCLASER JR ROBERT G ,  FRIEDRICH ROBERT E

IPC: H01H33/16 ,  H02H9/00

CPC classification number: H01H33/16 ,  H02H9/005