Sign in link...
...opens the Google Account page. You can access many Google services with one account.
Google Patent Search Logo
The search returns a list of patents with your keywords anywhere in their text.
Patent search is often undeservedly neglected. In many cases it may offer you high quality information.
Web Search link...
...takes you to the Web search page.
Originally, Google's home page was even simpler, but with the growing complexity of Google's features it has to carry ever more information.
Google keeps the page current, so at the time of your reading it may look a bit different.
Images link...
...opens the Google Image Search page with access to over a billion images. Google grants you only the right to view them on the web.
Google analyzes key words in the file name, the text on the page adjacent to the image, and other factors to return most relevant results.
Clicking the link in Google, you automatically resubmit your search as an Image search.
Video link...
...opens access to the Google Video library of TV shows, movies, music videos, documentaries, personal works, etc.
You can download free content, preview or buy commercial videos, and upload your own video.
Also, you can use Google Video for commercial purposes.
Clicking the link in Google, you automatically resubmit your search as a Video search.
News link...
...opens News page with access to news from more than 4,500 sources. Google News headlines are updated every 15 minutes.
The news database is separate from the main Google database. You can search news articles up to 30 days past.
Clicking the link in Google, you automatically resubmit your search as a News search, without having to retype your query.
Maps link...
... opens the Google Maps page. The feature offers a wide range of map-based information, from finding places and driving directions to local businesses, services, and landmarks.
Clicking the link in Google, you automatically resubmit your search as a Maps search.
more>> link...
...opens a small menu with links to second-popular Google search features.
The arrangement of navigational links changes constantly. For instance, quite recently there was no Video on the first page. In its place was Groups. Now users are more interested in Video, and it has migrated to the forefront.
Blogs link...
...opens the Google Blog Search page. A typical blog (Web log) is a personal webpage (website) with periodical journal style entries. Bloggers were formerly known as "escribitionists".
Blogs discuss any imaginable topic, and Google indexes millions of them. Blogs "push" updates to their subscribers and search engines, so the most recent information is usually available.
Books link...
...opens the Google Book Search page. You can search the full text of hundreds of thousands of books.
Depending on copyright restrictions, you can have full access to the text of a book, or see its fragments, or only its description and indication where to get it.
Google Book Search allows out-of-copyright material to be downloaded in PDF format.
Google Products link...
...opens the Google Products Search page. As a shopping search engine, Google Products offers product information from price comparisons to store and product ratings and reviews.
Google Products helps you find products online.
Groups link...
...opens access to an archive of Usenet and Google groups. Usenet is one of the oldest parts of the Internet. It has over 30,000 active newsgroups where people discuss all kinds of topics.
You can search postings in both active and defunct groups between 1981 and today.
Clicking the link in Google, you automatically resubmit your search as a Groups search.
Patents link...
...opens the Google Patent Search page. All patents come from the United States Patent and Trademark Office (USPTO) and cover patents issued from the 1790s till about 6 months ago. More recent are not yet available.
Google has converted the entire image database of U.S. patents into a searchable format. You can search the full text of U.S. patents.
even more>> link...
...opens a comprehensive list of services and tools provided by Google. It has more search interfaces, such as Catalogs or Directory, and a lot of related features, such as Labs or Blogger.
Search Box...
...has the same functionality as the Search box on the main page.
Advaned Search link...
...opens the Advaned Search page.
Preferences link...
...opens the Preferences page. It allows you to customize the way you use Google.
Your selections are stored in cookies on your machine for later retrieval.
Patent Title link...
...takes you to the full text of the patent.
U.S. Patent Number...
...is unique to each patent.
Filing Date...
...is the date on which the patent was filed with the USPTO.
It should not be confused with the issue date.
Assignee...
...is the person or organization to which the rights of the patent are assigned.
Patent snippet...
...is an extract of text from the patent with your keywords in boldface.
Google Patent Search Help link...
...opens a help page with a brief explanation of the Patent Search interface and general patent terms. It has links to FAQ and advanced search tips.
A general purpose search doesn't require special knowledge. For instance, you can quickly verify if a lot of work is going on in developing hydrogen cars, see example in the Search Box.
Google Home link...
...takes you to the Google home page.
About Google link...
...opens Google's information center.
Google Help, products, corporate information etc. are accessible from this page.
About Google Patent Search link...
...opens a one-page overview of Google Patent Search with FAQ and advanced search tips.