专利检索_熟铁或锻钢的冶炼专利检索_熟铁或锻钢的冶炼专利检索查询

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
61	Method of producing industrial iron by means of iron sponge	US65141133	1933-01-12	US2018300A	1935-10-22	HEINRICH ESSER

62	Production of wrought iron articles	US69677733	1933-11-06	US2012599A	1935-08-27	CONWAY MARTIN J

63	Puddling furnace	US24425328	1928-01-03	US1883413A	1932-10-18	SCHOENFELDT HENRY W

64	Method of granulating steel and forming wrought iron	US29404028	1928-07-19	US1820176A	1931-08-25	BEALE ADDISON H; JAMES ASTON

65	Method of utilizing bundled scrap metal	US13035726	1926-08-19	US1756049A	1930-04-29	FRITZ WUST

66	Puddling iron	US18683327	1927-04-26	US1730044A	1929-10-01	SCHLOSSBERG JOHN B

67	Metallurgical furnace	US10362926	1926-04-21	US1697259A	1929-01-01	BRIGGS ARTHUR J

68	Process for making iron and steel	US74501024	1924-10-21	US1629563A	1927-05-24	SIGURD WESTBERG

69	Method and apparatus for puddling iron	US70839524	1924-04-23	US1580533A	1926-04-13	RICHARDSON FRANK E; BARR JOHN H

70	Apparatus for producing wrought metal	US68492324	1924-01-08	US1546964A	1925-07-21	BLESSING EDGAR F

71	Metal-working furnace	US53389422	1922-02-03	US1497696A	1924-06-17	PULLIAM OSWALD S

72	Metal-working furnace	US23785718	1918-07-03	US1495635A	1924-05-27	ELY WALTER C

73	Method of puddling	US44150721	1921-01-31	US1475762A	1923-11-27	FORD EDWARD L

74	Busheling furnace	US45725921	1921-03-31	US1472803A	1923-11-06	JOHN MCGAFF

75	Process of balling scrap metal	US54931022	1922-04-03	US1463339A	1923-07-31	SELLERS JOHN M

76	Puddling furnace	US1459533D		US1459533A	1923-06-19

77	Method of making wrought iron	US35630920	1920-02-04	US1380178A	1921-05-31	JAMES ASTON

78	Method of making wrought-iron	US33799519	1919-11-14	US1370622A	1921-03-08	JAMES ASTON

79	Method of making wrought-iron	US35631020	1920-02-04	US1370507A	1921-03-08	JAMES ASTON

80	Method of treating metal	US37324364	1964-06-08	US3295960A	1967-01-03	PARLEE NORMAN A D; MAHIN WILLIAM E

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