专利检索_ .带有在或沿着绕组滑动或滚动的集电器的专利检索_ .带有在或沿着绕组滑动或滚动的集电器的专利检索查询

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
121	Electric controlling apparatus	US73242147	1947-03-05	US2555103A	1951-05-29	ANDREWS RUFUS A

122	Transformer system	US62747745	1945-11-08	US2476077A	1949-07-12	WILLIS CLODIUS H

123	Variable voltage transformer	US56799244	1944-12-13	US2468446A	1949-04-26	HYSLER JOHN F

124	Voltage regulator	US55717544	1944-10-04	US2388996A	1945-11-13	PRESTON RALPH H

125	Adjustable transformer coil	US36905740	1940-12-07	US2283037A	1942-05-12	BONANNO JOSEPH L

126	Regulating transformer	US29162539	1939-08-23	US2276051A	1942-03-10	GEORGE LEISCHNER

127	Stop means for rotary inductances	US30650739	1939-11-28	US2249479A	1941-07-15	LEACH EDWARD A

128	Variable transformer	US22972638	1938-09-13	US2245266A	1941-06-10	EITMAN JOSEPH F; ZELT ELMER J; MITTERMAIER ARMIN F

129	Variable voltage transformer	US22782738	1938-08-31	US2227468A	1941-01-07	SWEENY CHARLES P

130	Transforming apparatus	US25226439	1939-01-23	US2205476A	1940-06-25	HUNTER RICHARD B

131	Regulating transformer	US3056935	1935-07-09	US2062719A	1936-12-01	GEORG LEISCHNER

132	Resistance unit	US4361335	1935-10-04	US2046129A	1936-06-30	MUCHER JOHN J

133	Transformer	US19957D		USRE19957E	1936-05-05

134	Voltage regulator	US65668333	1933-02-14	US2014570A	1935-09-17	HUNTER THOMAS M

135	Regulating transformer	US70227133	1933-12-14	US1993794A	1935-03-12	AUGUST MEYERHANS

136	Variable voltage transformer	US65252533	1933-01-19	US1928343A	1933-09-26	WERNER WILBUR S

137	Transformer device	US5071825	1925-08-17	US1696964A	1929-01-01	MONTFORD MORRISON

138	Induction voltage regulator	US17186427	1927-03-01	US1635060A	1927-07-05	THOMPSON LOUIS W

139	Transformer	US70601624	1924-04-12	US1631955A	1927-06-14	CARL BERGMAN

140	William stanley	US485336D		US485336A	1892-11-01

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