Manufacturers Index - Langdon-Davies Electric Motor Co., Ltd.
Langdon-Davies Electric Motor Co., Ltd.
London, England, U.K.
Manufacturer Class:
Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
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1,360
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Nov. 16, 1889
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Appareil perfectionné pour la production rythmique de courants électriques
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Charles Langdon-Davies |
, England |
This is a Swiss patent. |
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189,419,364
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Oct. 11, 1895
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Improvements in Electro-motors and like Electro-magnetic Apparatus
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Walter Langdon-Davies |
, England |
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Improvements in Electro-motors and like Electro-magnetic Apparatus
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Charles Conners |
, England |
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54,528
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Jan. 07, 1897
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Electro-Motor and Transformer
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Walter Langdon-Davies |
, England |
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189,707,772
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Feb. 26, 1898
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Improvements in Alternating Current Motors
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Walter Langdon-Davies |
, England |
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189,716,788
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Jul. 02, 1898
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Improvements in Alternating Current Motors
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Walter Langdon-Davies |
, England |
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189,824,418
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Oct. 07, 1899
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Improvements in Alternating Current Motors
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Walter Langdon-Davies |
, England |
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643,066
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Feb. 06, 1900
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Alternating Current Motor
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Walter Langdon-Davies |
, England |
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190,007,373
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Mar. 30, 1901
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Improvements in the Formation of Drum Winding for Dynamo Electric Machines
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Alfred Soames |
, England |
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Improvements in the Formation of Drum Winding for Dynamo Electric Machines
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Walter Langdon-Davies |
, England |
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190,021,740
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Sep. 28, 1901
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Improvements in Dynamo Electric Machines
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Alfred Soames |
, England |
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Improvements in Dynamo Electric Machines
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Walter Langdon-Davies |
, England |
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686,856
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Nov. 19, 1901
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Dynamo Electric Machine
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Alfred Soames |
, England |
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Dynamo Electric Machine
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Walter Langdon-Davies |
, England |
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190,124,937
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Nov. 06, 1902
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Improvements in Polyphase Alternating Current Induction Motors
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Alfred Soames |
, England |
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Improvements in Polyphase Alternating Current Induction Motors
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Walter Langdon-Davies |
, England |
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190,125,312
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Dec. 04, 1902
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Improvements in Internal Combustion Engines
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Walter Langdon-Davies |
, England |
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Improvements in Internal Combustion Engines
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Alfred Soames |
, England |
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718,481
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Jan. 13, 1903
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Internal Combustion Engine
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Walter Langdon-Davies |
, England |
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Internal Combustion Engine
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Alfred Soames |
, England |
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322,379
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Feb. 04, 1903
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Changement de vites
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Alfred Soames |
, England |
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Changement de vites
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Walter Langdon-Davies |
, England |
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735,118
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Aug. 04, 1903
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Polyphase Alternating Current Induction Motor
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Alfred Soames |
, England |
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Polyphase Alternating Current Induction Motor
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Walter Langdon-Davies |
, England |
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26,628
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Sep. 30, 1903
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Wechselstrom-Induktionsmotor
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Alfred Soames |
, England |
This is a Swiss patent. |
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Wechselstrom-Induktionsmotor
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Walter Langdon-Davies |
, England |
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190,311,723
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Mar. 31, 1904
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Improvements in Clutches
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Alfred Soames |
, England |
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Improvements in Clutches
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Walter Langdon-Davies |
, England |
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190,311,147
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May. 05, 1904
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Improvements in Change Speed Gear.
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Alfred Soames |
, England |
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Improvements in Change Speed Gear.
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Walter Langdon-Davies |
, England |
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339,802
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Jun. 20, 1904
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Dispositif de Changement de Vitesse
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Alfred Soames |
, England |
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Dispositif de Changement de Vitesse
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Walter Langdon-Davies |
, England |
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190,322,690
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Oct. 20, 1904
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Improvements in Change Speed-Gear
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Alfred Soames |
, England |
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Improvements in Change Speed-Gear
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Walter Langdon-Davies |
, England |
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773,999
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Nov. 01, 1904
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Change Speed Gear
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Alfred Soames |
, England |
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Change Speed Gear
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Walter Langdon-Davies |
, England |
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775,503
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Nov. 22, 1904
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Change Speed Gear
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Alfred Soames |
, England |
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Change Speed Gear
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Walter Langdon-Davies |
, England |
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190,400,468
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Dec. 08, 1904
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Improvements in Change Speed-Gear
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Alfred Soames |
, England |
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Improvements in Change Speed-Gear
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Walter Langdon-Davies |
, England |
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190,407,384
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Jan. 26, 1905
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Improvements Relating to Change Speed Gear
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Alfred Soames |
, England |
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Improvements Relating to Change Speed Gear
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Walter Langdon-Davies |
, England |
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4,001
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Apr. 19, 1905
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39. Changement de vitesse
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Walter Langdon-Davies |
, England |
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39. Changement de vitesse
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Alfred Soames |
, England |
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