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Nikola Tesla Patents

Tesla was granted nearly 200 patents worldwide

Nikola Tesla Patents from United States

U.S. Patent 1,655,114 - Apparatus for Aerial Transportation

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The invention consists of a new type of flying machine, designated "helicopter-plane", which may be raised and lowered vertically and driven horizontally by the same propelling devices and comprises: a prime mover of improved design and an airscrew, both especially adapted for the purpose, means for tilting the...
Type: patent - Added: 3/1/2015

U.S. Patent 1,655,113 - Method of Aerial Transportation

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The utility of the aeroplane as a means of transport is materially lessened and its commercial introduction greatly hampered owing to the inherent inability of the mechanism to readily rise and alight, which is an unavoidable consequence of the fact that the required lifting force can only be produced by a more or...
Type: patent - Added: 3/1/2015

U.S. Patent 1,402,025 - Frequency-Meter

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The devices commonly used at present for this purpose and designated "frequency meters" generally consist of reeds or bars tuned to respond to impulses of definite periods, or a direct current dynamo coupled to the alternating generator or frequency controller and connected with an instrument, of voltmeter...
Type: patent - Added: 3/1/2015

U.S. Patent 1,365,547 - Flow-Meter

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My invention relates to meters for measurement of velocity or quantity of fluid flow. Its chief object is to provide a novel structure, simple, inexpensive and efficient, directly applicable to a conduit through which the fluid flows, and arranged to give instantaneous readings in terms of velocity, or quantity. In...
Type: patent - Added: 3/1/2015

U.S. Patent 1,314,718 - Ship's Log

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My invention provides a ship's log of novel and advantageous construction and operation, designed to give instantaneous rate-readings, as in knots, or miles per hour. The customary log is trailed astern, twisting the flexible connector that drives a revolution-counter on the vessel, and many disadvantages of such...
Type: patent - Added: 3/1/2015

U.S. Patent 1,274,816 - Speed Indicator

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Among the desiderata of speedometer construction are these: that the torque exerted upon the secondary, or indication-giving, element shall be linearly proportional to the speed of the primary member rather than to the square of the speed (as instanced in centrifugal speedometers); that the torsional effect at low...
Type: patent - Added: 3/1/2015

U.S. Patent 1,266,175 - Lightning-Protector

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The object of the present invention is to provide lightning protectors of a novel and improved design strictly in conformity with the true character of the phenomenon, more efficient in action, and far more dependable in safe-guarding life and property, than those heretofore employed. To an understanding of the...
Type: patent - Added: 3/1/2015

U.S. Patent 1,329,559 - Valvular Conduit

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In most of the machinery universally employed for the development, transmission and transformation of mechanical energy, fluid impulses are made to pass, more or less freely, through suitable channels or conduits in one direction while their return is effectively checked or entirely prevented. This function is...
Type: patent - Added: 3/1/2015

U.S. Patent 1,209,359 - Speed-Indicator

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In the provision of speed indicators, that give direct readings of rate of motion, - for example shaft speeds in terms of revolutions per minute or vehicle speeds in miles per hour - it is obviously important that the instrument be simple, inexpensive and durable, and that its indications be correct throughout a...
Type: patent - Added: 3/1/2015

U.S. Patent 1,113,716 - Fountain

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It has been customary heretofore in fountains and aquarian displays, to project spouts, jets, or sprays of water from suitable fixtures, chiefly for decorative and beautifying purposes. Invariably, the quantity of the issuing fluid was small and the pleasing impression on the eye was solely the result of the more or...
Type: patent - Added: 3/1/2015

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