专利检索_ 从车辆上或借车辆的通过来操纵道岔专利检索_ 从车辆上或借车辆的通过来操纵道岔专利检索查询

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	Switching device	US24680528	1928-01-14	US1817206A	1931-08-04	THOMAS QUILLIAM SAMUEL

122	Electric switch control	US20792427	1927-07-23	US1769278A	1930-07-01	STOLP SAMUEL S

123	Electrically-operated track switch	US17452627	1927-03-11	US1756700A	1930-04-29	RICHTERKESSING FRANK H

124	Electrically-operated track switch	US29764028	1928-08-06	US1743405A	1930-01-14	STOLP SAMUEL S

125	Electrically-operated track switch	US4929325	1925-08-10	US1721133A	1929-07-16	RABUN GEORGE D

126	Remote control circuit changer	US12236326	1926-07-14	US1708691A	1929-04-09	BROWN HENRY A

127	Automatic trolley switch	US68223623	1923-12-22	US1703545A	1929-02-26	ROBINSON ROBERT M

128	Trolley switch	US64825023	1923-06-28	US1624012A	1927-04-12	RUDDICK JOHN J

129	Electrically-operated track switch	US68425024	1924-01-03	US1581614A	1926-04-20	MEAD GEORGE A

130	Electrically-operated track switch	US67909923	1923-12-07	US1581607A	1926-04-20	MEAD GEORGE A

131	Electrically-operated switch	US67487023	1923-11-15	US1581606A	1926-04-20	STOLP SAMUEL S

132	Electrical system	US62370323	1923-03-08	US1581604A	1926-04-20	STOLP SAMUEL S

133	Circuit changer	US58568922	1922-09-01	US1581603A	1926-04-20	STOLP SAMUEL S

134	Locking device for electric switches	US50394521	1921-09-28	US1564022A	1925-12-01	ROBINSON ROBERT M

135	Circuit changer	US49325821	1921-08-18	US1556176A	1925-10-06	STOLP SAMUEL S

136	Control panel	US65422323	1923-07-27	US1552600A	1925-09-08	EPPLEY CHARLES S

137	Automatic railway switch	US70871324	1924-04-24	US1507811A	1924-09-09	BROWN PERRY O

138	Switch-operating mechanism	US4106415	1915-07-21	US1394713A	1921-10-25	VINSON COLLINS ROY

139	Op xwest n newton	US1322879D		US1322879A	1919-11-25

140	Circuit-closing switch.	US268715	1915-01-16	US1168195A	1916-01-11	GRUNOW WILLIAM JR

该功能需要专业版企业版VIP权限，您可以：