Nikola Tesla Patents

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Nikola Tesla Patents ( nikola-tesla-patents )

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would describe a patent that was approved based on the first application filed, because the term "basic patent", which would otherwise most adequately describe this case, is already being used for a patent in connection with an additional application or a patent of addition. Therefore, in the following text, the term "original patent" is used instead. V. TESLA’S PATENTS REGISTERED IN COUNTRIES OTHER THAN THE UNITED STATES IN THE FORM OF ANALOGUES, THE PATENT FAMILIES OF NIKOLA TESLA’S PATENTS AND NIKOLA TESLA’S ORIGINAL PATENTS Starting from the assumption that Tesla first filed patent applications for his inventions in the United States, and only after that in other countries, it had to be determined which patents from countries other than the U.S. corresponded to which U.S. patents, that is, for which U.S. patents they are analogues. It is obvious that Tesla often joined a number of his U.S. patent applications into a single patent application intended for filing in other country or countries, in order to reduce the costs of invention protection. Some of the patent applications are joined together in complete form, as it is the case, for example with the patent applications for which he was approved U.S. patents No. 336,961 and 336,962 concerning regulators for dynamo-electric machines, while with other joined patent applications, only some of their parts were included, as is the case with applications referring to U.S. patents No. 685,953, 685,954 685,955 685,956, 685,957 and 685,958, the subject of which is the method of and apparatus for utilizing effects transmitted through natural media. The biggest number of patent applications that Tesla joined into a single application was seven and referred to electrical circuit controllers. Analyzing Tesla's patents in countries other than the United States revealed two surprising facts. First, not all of Tesla's U.S. patents are the earliest analogues, i.e. the original patents. Namely, Tesla first filed the patent application concerning method of and apparatus for aerial transportation in Great Britain, on 4.4.1921, and only 5 months after, on 9.9.1921 he filed the same application in the United States, which means that the British patent application had been filed first, and therefore the British patent No. 185,446, and not the U.S. patent No. 1,655,113, is the original patent. Second, for another 6 British patents from that period, there are no corresponding U.S. patents, because Tesla did not file any patent applications for them at all, or because the U.S. Patent Office rejected his applications. It is interesting that the subjects of the mentioned British patents are Tesla's inventions from the field of mechanical engineering, the first being improvements in the construction of gas and steam turbines (No. 186,082), the second, improved process of and apparatus for production of high vacuum (No. 179,043), third, improved method of and apparatus for the economic transformation of the energy of steam by turbines (No. 186,083), fourth, improved method of and apparatus for deriving motive power from steam (No. 186,084), fifth, Fig. 3. The first page of description of the first Tesla's patent in Belgium No. 85866 The next question related to Tesla's patent applications in countries other than the U.S., refers to the inventions he intended to protect by them. Are there some new, previously unknown inventions? But there are no major surprises, apart from some smaller exceptions, which will be referred to later. The content of these patents is dictated by the fact that each patent is territorially limited, i.e. it is valid only for one country, being the reason why Tesla had to file a separate application in each country where he wanted to protect his inventions. This is the reason why there are many patents in different countries for the same invention. The set of patents that protect the same invention in different countries is called a patent family, while the patents that constitute a patent family, are called analogues. Of all the patents constituting a patent family, the first, i.e. the earliest application is the most important, for multiple reasons. First, the date of this application is closest to the true date of creation of the invention. Second, this patent application and/or the corresponding patent is often published first, thus becoming a part of the present state of technical knowledge, i.e. the state of the art and preventing other persons to protect the same invention by themselves. Third, it is an indication of which country the inventor is most interested in, because in that country, he/she would naturally file the corresponding application first. In our reference material there is no term that

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