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The US Patent Office.
http://www.uspto.gov/patft/index.html
Try to do your search on weekends or late at night, during the days there is a heavy load on the servers and it goes slow
You can also try free sites which try to improve upon the government site, such as freepatentsonline.com or archpatent.com. These type of sites offer search techniques not available at the uspto and sometimes provide linked content, such as re-assignment information.
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Where can I search for patents to see if my idea has already been patented?
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.
Do I have to go to a goverment site to search for patents?
No, there are private entities which will help you search for patents; hewever, the US Patent Office would provide the most exhaustive patent database. To apply for a US patent one must work through the US Patent and Trademark Office. Their website is http://www.uspto.gov. Yes, you must search and apply for patents through a government site. If some other sites or locations offer you patents, you should be careful and watch out for scams.
What patents does Loctite own?
A search at the USPTO website conducted on 31 July 2012 shows that Loctite is listed as an Assignee on 461 US patents and 100 US patent applications.
How many patents does Lenovo have?
According to Google's patent search, Lenovo has 344 patents.
Are there any nursing homes that pay for you to get you CNA cirtification if you work for them ?
You can search for information on patents by simply usng the Google patent search at www.google.com/patents.
How can one search for patents via the Google Patent Search feature?
You could use your computer to search for patents or ask your local library or advice center. There are many websites which can help you with this also.
How many patents were granted by the US in 1990?
99,220, including utility patents, plant patents, design patents, and reissues.
How do you search for Indian national patents?
http://indiapatents.blogspot.com/
Is there a website that will allow me to search for patents?
Yes, there is a website that will allow me to search for patents. You can go to www.stuntdubl.com/2010/01/28/ted-ulle or mashable.com/2009/09/02/google-search-patent
Can I do a free patent search online that is accurate?
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.
How do you check for a United States patent?
You can search the US Patent Office's website for patents dating back to the mid 1970's. http://patft.uspto.gov/
How many patents were granted by us in 2011?
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.
