专利检索_ 控制给水或水位;自动给水或水位调节器专利检索_ 控制给水或水位;自动给水或水位调节器专利检索查询

子分类：

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	Steam boiler regulator	US65873233	1933-02-27	US1992212A	1935-02-26	HORNE BURCHARD E

62	Feed water regulator	US50212130	1930-12-13	US1949683A	1934-03-06	FRASER HOWARD S

63	Apparatus for controlling rate of flow of a liquid	US40291929	1929-10-28	US1905244A	1933-04-25	ROHLIN VICTOR A

64	Method and apparatus for varying excess feed water pressure	US14332626	1926-10-22	US1850651A	1932-03-22	BARRETT JOSEPH M

65	Steam generator	US67200523	1923-10-31	US1728966A	1929-09-24	HELMS JOHN H

66	Steam-boiler feed	US63683923	1923-05-05	US1632301A	1927-06-14	LEWIS NATHAN E

67	Boiler-filler.	US18540517	1917-08-09	US1293216A	1919-02-04	SEIFERT HARRY V

68	Boiler-feed and water-heater.	US1908455073	1908-09-28	US932777A	1909-08-31	GOFF DANIEL

69	Boiler-feed.	US1907382737	1907-07-08	US896820A	1908-08-25	GOFF DANIEL

70	Means for returning condensation-water to the generator.	US1906338990	1906-10-15	US841748A	1907-01-22	WECKERLE WILHELM

71	Automatic boiler-feed apparatus.	US1900024403	1900-07-21	US672127A	1901-04-16	KIDDER WELLINGTON PARKER

72	Boiler-feeder.	US1899740229	1899-12-13	US661782A	1900-11-13	WHITNEY THOMAS J

73	Steam-boiler feeder	US437551D		US437551A	1890-09-30

74	Improvement in combined heater and feeder for boilers	US209584D		US209584A	1878-11-05

75	Improvement in automatic feed-water regulators	US165283D		US165283A	1875-07-06

76	Improvement in automatic boiler feeds and regulators	US147079D		US147079A	1874-02-03

77	Boilers	US138673D		US138673A	1873-05-06

78	Improvement in feed-water heaters and regulators	US130009D		US130009A	1872-07-30

79	Improvement in automatic boiler-feeders	US114255D		US114255A	1871-05-02

80	Improvement in steaming apparatus	US113068D		US113068A	1871-03-28

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