Electrical World and Engineer

The expiration this week of the three Tesla patents covering fundamentally the rotary-field type of electric motor marks the close of the first stage of one of the several epochal developments of the...

KNOBLAUCH. — An investigation of the following phenomenon: The discharge from a Tesla pole charges an insulated metallic plate positively at a certain distance and negatively at a greater distance...

The Westinghouse Electric & Manufacturing Company has announced in connection with the expiration this week of the three fundamental Tesla patents, that it holds numerous other patents relating to...

Judge Hazel, of the United States Circuit Court of the Western District of New York, has handed down an opinion sustaining the two Tesla fundamental patents (Nos. 511,559 and 511,569), covering the...

Elsewhere in this issue will be found a very full abstract of the Townsend decision, mentioned by us last week, in favor of the Tesla rotating magnetic field patents which have been in suit for some...

A patent issued April 18 to Mr. Nikola Tesla was briefly noticed in these columns last week, the subject being "The Art of Transmitting Electrical Energy Through the Natural Mediums." Below is given a...

Judge Lacombe, in the United States Circuit Court, New York City, on June 4, denied the application of the Westinghouse Electric and Manufacturing Company for an injunction to prevent the Stanley...

By B. A. BEHREND. In May, 1888, were granted to Nikola Tesla, from Smiljan Lika, border country of Austria-Hungary, a series of patents, which are commonly known as the fundamental Tesla patents...

A patent was issued to Mr. Nikola Tesla April 18 on the "Art of Transmitting Electrical Energy Through the Natural Mediums." A full account of the patent will be given next week. The claims are on an...

A special dispatch from Washington, of Dec. 29, says: "Nikola Tesla has been asked by Rear Admiral R. B. Bradford, Chief of the Bureau of Equipment, to submit for trial a wireless telegraphy system...