... are unenforceable...

There are some patents that expire in less than 20 years and some that expire in more than 20 years, depending upon what you're trying to ask.

Encourage frims to research and develop new products that benefit society as a whole.

Yes. These are known as intangible assets and they are assets. An asset is anything that does or will provide a financial benefit. Goodwill is an asset because, if you have a great reputation, people are going to be more likely to buy your products. Trademarks are an asset because using trademarks is what allows a company to distinguish its products from other companies' products in such a way that people will buy your products instead of the other guys'. Patents are an asset because they allow you the exclusive right to produce a good in a way that is better (hopefully) than the way everybody else produces that good. They all do or will provide financial benefits.

99,220, including utility patents, plant patents, design patents, and reissues.

The USPTO granted a total of 247,727 patents from 1 January 2011 to 31 December 2011, including Reissue Patents, Plant Patents, Design Patents, and Utility Patents.

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.

Charles Kettering had 104 patents.

43 patents

The website Free Patents Online provides descriptions of patents, with downloadable PDFs of their schematics. Alternatively, the website Patents provides text descriptions but no images.

As of 2010, General Electric (GE) has 1,222 patents. Aside from this, they have filed 37, 268 patents in the US.

1093 patents for inventions

No; Twitter notably has not filed for any patents.

As with other property rights, patents can be sold or licensed

Spyderco has 54 patents and 36 trademarks.

What Companies hold MEMS patents

As with other property rights, patents can be sold or licensed

Utility patents are those for the invention of a new or improved item

There are tens of thousands of patents on the airplane and all parts of it.

Yes, provisional patents are not made public.

The Copyright Designs and Patents Act defines patents for computer hardware and software, and copyright on software.

They have many patents relating to computers and electronics. They also have some more surprising patents in areas like advertising, medical, and vehicles. A lot of their patents relate to their search engines and smart phone technology.

According to Google's patent search, Lenovo has 344 patents.

No, patents cannot be obtained for any naturally occurring substance.

ALL US patents expire within a timeframe.

They use the patents to do just that, they input patents so the firms that are already in the market continue without competition. Depending on the situation government officials can be paid off to input these patents so firms in the current market can continue their oligopoly.

They have patents in many different industries from the obvious web authoring, wireless, and email patents to the not-so-obvious patents in medical, vehicle, and weight loss. Some patents include, but are not limited to, IBM, The Weather Channel Inc., Nevengineering Inc., Wildtangent Inc., and Disney Enterprises Inc.

Who is Annabeth

He is dead and doesn't own any property, let alone patents.

Samsonite holds 900 patents worldwide for it's luggage designs

U.S. patents are only effective in the United States, its territories, and its possessions

S.R Capsey has written:

'Patents' -- subject(s): Patents

Motion Picture Patents Company was created in 1908.

Motion Picture Patents Company ended in 1918.

The symbol for Internet Patents Corporation in NASDAQ is: PTNT.

The Complete Patents of Nikola Tesla was created in 1994.

Go to web site http://patft.uspto.gov to see which patents are pending.

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.

Yes. You can find many patents online with the name of the inventor. There are also websites that specialize in patents and have a great deal of information on patents.

Google Patents is a good source to see how many product patents there are. It is also a good source to apply for one.

Further, the Patent Office publishes not only a list of issued patents but also various other information concerning patents as well as records of assignments of patents

Kia Silverbrook. Silverbrook is listed as an inventor on 3123 issued US utility patents.

Mark Dean's patents are for his computer program bus and other things.

Both of the two patents are about the method of precluding fluid wicking

I am his son

Yes; patents and copyrights are temporary monopolies.

Patents are well-established concepts, tracing their history to the common law of Great Britain

Patents protected inventors and let them profit from their inventions.

Marconi had 33 US patents and 6 UK patents, for developments in wireless telegraphy.

Schuyler Duryee has written:

'Plain directions for securing patents, and the registration of trade-marks and labels' -- subject(s): Patents, Trademarks

'Plain directions for securing patents, and the registration of trade-marks and labels' -- subject(s): Patents, Trademarks

For patents in the USA you can search at http://patft.uspto.gov/. This site has a comprehensive search engine that gives you several ways to look through the US patent database at both issued patents and patents that are still in the application process.

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