Famous Patents
British merchant Peter Durand invented the tin can in 1810.
PatentStorm News
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.
| Number | Title | Issue Date |
| 5706552 | Apparatus for preventing a motor rolling door from falling An apparatus for preventing a motor rolling door from falling includes a wedge shaped sliding plate located at one side of a driven sprocket, which is biased away from the driven sprocket by means of two actuating rods forced by two springs. Two rollers a... | 01/13/1998 |
| 5400474 | Suspension for hinged door The suspension of a door hinged within a frame for swinging movements in a horizontal plane includes a suspension member with blocks secured upon its ends, with spaced apertures within the frame and door and with blocks projected into said apertures and s... | 03/28/1995 |
| 5297315 | Suspension for hinged door The suspension of a door hinged within a frame for swinging movements in a horizontal plane includes an elongated metal cable with blocks secured upon its ends, with spaced apertures within the frame and door and with blocks projected into said apertures ... | 03/29/1994 |
