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

Icon_funbox Celebrity Inventors

Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."

Newsletter  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.

 

Class 160/316 - Nested helical springs


Subclass of Class 160 - Flexible or portable closure, partition, or panel
Definition: Roll type devices in which there are a plurality of helical
No. of patents: 9
Last issue date: 04/22/2008


NumberTitleIssue Date
7360574Device for controlling a venetian blind
The invention relates to a device for controlling a venetian blind, the device comprising a top module for transforming rotary movement of a horizontal drive roller into rotary movements in a determined direction a horizontal driven roller. According to the inventio...
04/22/2008
7246648Friction device for rolling up curtains and the like
A friction device for rolling up curtains and the like includes a tubular roller (1), on which a curtain (1a) is wound. The roller (1) is rotatably carried by a support (10) and a threaded stem (2) is situated axially inside...
07/24/2007
7211923Rotational motion based, electrostatic power source and methods thereof
A power system includes a member with two or more sections and at least one pair of electrodes. Each of the two or more sections has a stored static charge. Each of the pair of electrodes is spaced from and on substantially opposing sides of the member from the othe...
05/01/2007
6955207Friction device for roll-up curtains and the like
A friction device (10), applied to roll-up curtains and the like, includes a tubular roller (1), on which the curtain (2) rolls up, and which is rotatably carried on a horizontal axis. The friction device (10) includes a threaded shaft (
10/18/2005
6123140Spring device for rolling up a roller curtain
Elastic means for rolling up a roller curtain include a plurality of springs (26,27,28) fastened rigidly to a common support (15) connected to a shaft (2) and with respective support and constraint elements (36,37,38) which are geometrically coupled to th...
09/26/2000
5964426Roller for rewinding and tensioning a flexible element such as a sheet of material, shutter or similar, in particular for protections on machines
A roller for rewinding and tensioning a flexible element, the element having a greater length than width, includes a tubular body to which one end of the flexible element is fixed; a shaft positioned so that it is coaxial to the tubular body, the two bein...
10/12/1999
5711568Retractable cargo cover
A retractable cover for a vehicle cargo area includes a roller containing a bungee cord, operative as a retraction mechanism. The covers are fabricated of an opaque cloth or vinyl material, or a transparent or screen material. The covers may be deployed l...
01/27/1998
5275223Support roller provided with roll-up mechanism for rolling doors, gates and the like
A support roller having a one-piece construction which can be cut to size to fit any sized doorway, with an outer perimeter of the support roller or flanges mounted on the support roller having a predetermined configuration to permit a rolling door, gate ...
01/04/1994
3955611Awning construction
An awning construction particularly adapted for mounting on a mobile home. The awning includes an awning shade having one end fixed to an outside wall of the mobile home, and the other end of the awning shade is attached to an awning roller, which roller ...
05/11/1976
 
Sign InRegister
Username  
Password   
forgot password?