Patent office lists via Google Patents

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With Google Patent search you can find patent related to any topic fast and easily.

If you are an economics or medical student who needs citations and references for your project. Or a businessmen, lawyer or inventor, who wants to study patents.

Business owners and their lawyers can use it as a tool, to find existing patents related to their business.

Like other Google services, the search is very easy to use. It shows you results from data linked to the USPTO (United States Patent) office. You can use it to quickly find a patent.

However, it might not show you the latest entries that are made a few days ago. So you may use the official US patent office site.

Doing More than search
You can not only find the patents, but also read about them. It gives you various information about the patent like:

Patent Title
An abstract about the patent.
Patent applications
You can also search for the applications. You get all the details of the technology/idea applied for! (In search results applications are marked distinctively)
U.S. Patent Number
You can also search via Patent number (USPTO assigns a unique number to each patent)
Filing Date:
You can get the details on when the patent was filed and what is the current status. Filing date is the date of applying for the patent. While Issuing date is when the patent is allotted.
Assignee
Assignee is the organisation or person who is alloted the patent.