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How many patents did Alexander Graham Bell have?
Alexander Graham Bell had 18 patents issued to him only, and 12 issued to him and collaborators.
How many patents have been issued since 1790?
In the USA alone there have been over 8,300,000 patents issued. Add to these all of the other patents in all of the other countries and you will have your answer.
How many Patents were issued to George Washington Carver?
Three patents (one for cosmetics, and two for paints and stains) were issued to George Washington Carver
How many patents in 1990?
The US Patent Office issued 99,200 total patents from 1 January 1990 to 31 December 1990, including 9 reissue patents, 6 plant patents, 194 design patents, and 98,991 utility patents.
How many Presidents have been issued patents?
That would be only President Lincoln.
How many patents have been issued in 2012?
In the US, 276,788 patents were awarded in calendar year 2012. A surprisingly detailed list is linked below.
List 3 pieces farm machinery patented from 1800 to 1860?
Patents issued in that ere were only good for 14 years, with a 7-year extension allowed for patents issued after 1836. There was no farm machinery or anything else patented from 1800 to 1860; those patents would not have lasted all 60 years. However, if you're asking about farm machinery that RECEIVED patents between those two years, there are hundreds of inventions that were patented in the Industrial Revolution, including machines that caused rioting among displaced farm workers. For instance: barn engines (and portable engines) were introduced, followed by self-propelled traction engines. Prior to 1860 there were only 26,641 US Patents issued including cultivators, seed planters, windmills, harrows, threshing machines, silage elevators, grinding mills, corn harvesters, and various apparatus for opening closing gates.
How many inventions did Thomas Edison invent?
I believe the final count was 1093 patents issued to Tom.
Are patents still issued for inventions?
Yes, they are, but you have to apply for them.
How many patents did Nikola Tesla have?
Some of Tesla's patents are not accounted for, and various sources have discovered some that have lain hidden in patent archives. There are a minimum of 278 patents issued to Tesla in 26 countries that have been accounted for.
Who had the most patents?
Kia Silverbrook. Silverbrook is listed as an inventor on 3123 issued US utility patents.
How many inventions were patented between the years 1880 and 1890?
In the US there were 417,325 utility patents, 19,256 design patents, and 10,263 renewals between 1860 and 1890.
