U.S. Pat. No. 6,461,513 - Secondary-flow enhanced filtration system

What is a Patent?

A patent is a right granted to an inventor by the federal government for the inventor to be the only one to make his/her invention, to use it, to offer it for sale, to sell it, or to import it into the United States for a period of twenty (20) years for utility patents.

“Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor….” 35 U.S. Code 101

The only two ways to protect your invention are by a patent or by keeping it secret. Unfortunately, keeping your invention secret is very difficult, because once you sell your device or practice your method, others can “reverse engineer” and figure out how to make your device or use your method.

What is a Patent Search?

A patent can only be awarded if your invention has not been done before and is not so closely similar to previous inventions that your invention would be obvious. A patent search is a review of previous patents and publications to see what has previously been done.

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