U.S. patents available from 1976 to present.
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Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Class 5/31 - With rising inner section


Subclass of Class 5 - Beds
Definition: Devices in which there is a section below the seat section
No. of patents: 8
Last issue date: 03/08/2011


NumberTitleIssue Date
7900298Refund saving account manager
A method for managing a tax refund account by a taxpayer, comprising obtaining a tax refund account comprising financial information associated with the taxpayer, wherein the financial information comprises tax information, calculating a current refund balance repre...
03/08/2011
6718570Convertible couch bed
A convertible couch bed that consists of a frame (20) that has a pair of opposed ends (22) with each end having a horizontal upper surface (24), an arm (26) and a plurality of legs (28). The frame includes a pair of lower longitudi...
04/13/2004
5904401Recliner chair
A recliner chair which converts from a chair configuration to a bed configuration in a single motion. The chair includes a frame, a seat, a back, an intermediate member and a linkage which provides the conversion from chair configuration to bed configurat...
05/18/1999
5860702Fold-down seat for a motor vehicle
A fold-down seat frame for a motor vehicle is provided. The seat includes a seat bottom disposed in a predominantly horizontal position and a seat back adapted for movement between a predominantly vertical seating position and a predominantly horizontal r...
01/19/1999
5788329Fold-down seat for a motor vehicle
A fold-down seat frame for a motor vehicle is provided. The seat includes a seat bottom disposed in a predominantly horizontal position and a seat back adapted for movement between a predominantly vertical seating position and a predominantly horizontal r...
08/04/1998
5075909Anti-tilt sofa sleeper mechanism
A foldable sofa sleeper mechanism having pivotally interconnected head, body, intermediate, and foot sections movable between a folded position in which the mechanism is contained within a storage enclosure of a sofa frame, and an extended unfolded positi...
12/31/1991
4590630Tri-fold mechanism
A convertible sofa-bed is disclosed which has a seating area, a back rest, and a mechanism support frame located below the seating area. A folding mechanism for supporting a mattress when the mechanism is unfolded and for supporting a seat in the seating ...
05/27/1986
4301559Sofa bed mechanism
A sofa bed mechanism consisting of three sections, namely, a rear section, an intermediate section, and a front section, that are foldable between collapsed sofa positions in which the sections are in substantially horizontal vertically stacked positions ...
11/24/1981
 
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