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The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional seven years.
Ruud was issued his patent for the coiled tube Automatic Water Heater on September 6, 1898. [17] A 1915 diagram showing the innards of a Ruud instantaneous water heater. Ruud's business expanded as he popularized and improved on his instant water heater design. In 1908, Ruud Manufacturing acquired two local heating and plumbing firms.
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional 7 years. [6]
Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
David Melville (March 21, 1773 - September 3, 1856) was an American inventor, credited with the first gas street lighting in America, and the first American patent for gas lighting. Melville was born in Newport, Rhode Island to David and Mary (West) Melville. He was apparently able to light both his house and his street with gas by 1805-1806 ...
Malleable Iron Range Company was a company that produced kitchen ranges made of ... U.S. patent 1,863,273 Water ... U.S. patent 2,133,184 Combination Coal-Wood ...
Lewis Paul was of Huguenot descent. His father was physician to Lord Shaftesbury.He may have begun work on designing a spinning machine for cotton as early as 1729, but probably did not make practical progress until after 1732 when he met John Wyatt, a carpenter then working in Birmingham for a gun barrel forger.