U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

A helium-filled sun shade for protecting individuals engaged in outdoor activities.

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

Class 137/246.2 - Seating

Subclass of Class 137 - Fluid handling
Definition: Valves wherein the lubrication pressure aids in seating
No. of patents: 0