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

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Yip, Winnie


Primary examiner statistics: 489 patents; average approval time: 488 days
Assistant examiner statistics: 670 patents; average approval time: 733 days

Patents as Primary Examiner

1                      
NumberTitleIssue Date
8113224Moisture diversion system for a collapsible structure
A moisture diversion system is provided for a collapsible structure including a collapsible frame assembly and an outer structure coupled to the collapsible frame assembly. The moisture diversion system includes a guide strip coupled at each of a first edge and an o...
02/14/2012
8104491Outdoor shading device with renewable power system
An outdoor shading device includes a supporting frame, a shading awning supported by the supporting frame to define a shading area underneath the shading awning, and a solar power system. The solar power system includes a solar collecting unit having a solar collect...
01/31/2012
8096312Erectable shelter with three way awning
The erectable shelter includes an awning assembly for a shelter that is removably mounted to two or more adjacent legs of the shelter. The awning assembly is mounted so that it can be moved between a downwardly directed vertical position and an upwardly directed ver...
01/17/2012
8091570Corner brace
The corner brace of a framework of a quickly erectable canopy shelter is connected between portions of a perimeter truss assembly connected to a leg of the framework of the canopy shelter. The corner brace includes a corner brace mounting pin on a first link member ...
01/10/2012
8087420Gravity-powered, wind-resistant and self-opening umbrella system
The teachings provided herein are generally directed to gravity-powered, and self-opening umbrella systems that can also be wind-resistant. As evidenced from the teachings provided herein, the systems can be designed in a variety of configurations. The umbrella syst...
01/03/2012
8087422Canopy with ventilation
The technology of the present application provides a collapsible canopy shelter having reinforced eaves for additional structural integrity, as well as at least one collapsible ventilation flap in the canopy cover that is capable of moving between a closed position ...
01/03/2012
8082938Collapsible shelters with and without a floating hub
Collapsible portable self-supporting shelter structures having from at least two component quad sections to seven or more component quad sections, which joined end to end form the width of the structure; and, said entire component sections optionally being joined si...
12/27/2011
8079096Self-contained, portable, non-mechanical waste disposal system
A portable, self-contained, toilet and sanitation system is disclosed. The system utilizes gravity and non-mechanical means to actually “flush” human bodily waste into a septic storage tank for later removal and disposal and contains sufficient water supply and ...
12/20/2011
8079380Portable ice house
An ice house including a collapsible frame assembly. The collapsible frame assembly includes at least one first pole with a connecting end having a plunger assembly. At least one second pole has a hollow end sized to telescopically engage with the plunger assembly a...
12/20/2011
8074669Expandable-collapsible multipurpose frame apparatus
The invention envisions a multi-purpose expandable-collapsible frame apparatus that may be used as a bed frame. The apparatus utilizes a telescoping central support apparatus designed such that when a force is applied to the central support apparatus a plurality of ...
12/13/2011
8069870Ventilator for venting covers
Disclosed is an improved ventilator apparatus for vehicle covers. The apparatus comprises a dome section that is associated with a first ventilator plate on the outside of a vehicle cover. The Dome section extends through the vehicle cover where it is associated wit...
12/06/2011
8069871Vented protective canopy housing for grill
A protective canopy housing (1) for a barbeque grill (2) having a canopy (6) with a vent opening on a top (22) with an elevated vent cover (8). The canopy is supported by supports (5a, b and c) attached to a gr...
12/06/2011
8069869Crutch and a grip unit thereof
A crutch has a standing unit, an armpit rest and a grip unit. The standing unit has a top, a foot and multiple positioning holes defined between the top and the foot. The armpit rest is mounted on the top of the standing unit. The grip unit transversally attached to...
12/06/2011
8061375Adjustable rib connectors
The present inventions relate generally to connectors for interconnecting members of shade structures (e.g. umbrellas and pavilions), such as support ribs and hubs. The connectors can be incorporated or attached to support ribs of shade structures to enable the supp...
11/22/2011
8061376Stable wheeled walker device
A posterior walker is disclosed comprising: a foldable, tubular frame; adjustable handles; wheels including anti-rollback wheels in the back and pivoting wheels in the front; a flexible, adjustable lower back support strap; features to adjust the handling and stabil...
11/22/2011
8051866Covering system
The present application relates to a covering apparatus for covering an outdoor area comprising a screen (1) that can be operated between a retracted and an extended configuration, the screen having a leading portion (2) and a trailing portion (4
11/08/2011
8051867Gable closure system for tents
A tent and method of assembling a tent is provided. The tent includes a connecting strip for connecting first and second panels of a fabric shell of the tent. The connecting strip slides axially along sides of the adjacent panels during assembly to connect them toge...
11/08/2011
8047218Cabin tent frame
Disclosed is a cabin tent frame. The cabin tent frame includes a housing 20 having an insertion portion 23, an inserting slot 22 and an engaging slot 22b, a slider 10 slidably coupled with the lower portion of the housing
11/01/2011
8047216Standing aid
There is provided a standing aid comprising a leg engaging means and a handle and wherein the standing aid is adapted such that, in use, a user can brace the leg engaging means against a leg and pull on the handle so that the user is aided to move from a seated posi...
11/01/2011
8042562Portable shelters, related shelter systems, and methods of their deployment
Portable shelters, shelter systems, and methods of deployment of such shelters are described. The shelters or housing units may be deployed in emergency housing situations and may be grouped into systems of shelters. One particular embodiment comprises a rigid top f...
10/25/2011
8025071Bases and braces for support poles, such as poles for pavilions and umbrellas
Bases are disclosed that comprise a projecting portion designed to receive over it the hollow end of a pole or other elongate member, which may form part of a structure such as a pavilion or umbrella. The projecting portion of the base comprises wedges that move in ...
09/27/2011
8015988Rechargeable battery arrangement for electrical system of shading device
A rechargeable power source, which is detachably coupled with a shading device to electrically connect with an electrical arrangement thereof, includes a rechargeable battery unit having a battery terminal arranged to contact with the electrical terminal of the elec...
09/13/2011
8011379Portable and compact umbrella
The present invention relates to a portable and compact umbrella capable of being folded compactly without exposing umbrella ribs and umbrella cloth thereby being easily carried and stored. A portable and compact umbrella according to the present invention includes ...
09/06/2011
8006711Trekking pole clamp and methods
A clamp apparatus that includes a base portion and an adjustable clamping lever. The base portion defines an adjustable size aperture. The adjustable clamping lever is mounted to the base portion and is movable between an unlatched position and a latched position. T...
08/30/2011
8001987Support system for shelters
A support system for tents and other shelters. The support system includes base support members that are in the shape of an arch. These base support members are secured in a desired configuration by an upper support member that is in the shape of a circle or other g...
08/23/2011
7997291Portable hunting chair and blind
A hunting chair with a hunting blind attachment that encircles the chair is disclosed, as well as an attachable camouflage roof covering, all of which may be folded and disassembled in such a way that it fits into a self-contained pack that may be carried on a hunte...
08/16/2011
7997290Assembly of a spindle and guide therefor
The invention relates to a parasol provided with an actuator assembly comprising a spindle having a spindle longitudinal axis and an external screw thread, and a guide for the spindle comprising a holder which extends along a portion of the spindle and which is prov...
08/16/2011
7992582Umbrella and umbrella canopy
An umbrella having a central shaft, a spindle slidably disposed on the shaft, a first plurality of radially extending ribs hingedly attached to the shaft, a second plurality of radially extending ribs secured at first ends thereof to the spindle and secured at secon...
08/09/2011
7987863Modular pole tent and joining means
A tensile pole tent having improved wind performance, having a polygonal projection in plan view, perimeter catenaries, a flexible canopy continuously attached to the catenaries, corner posts to support the catenaries, a membrane interface or field joint between adj...
08/02/2011
7987864Deployable structures and methods for assembling same
Deployable structures and methods for assembling the same including a structural mechanism defining a columnar space comprising a plurality of structural members, a plurality of couplings and a plurality of tension lines, wherein each of the couplings interconnects ...
08/02/2011
7984724Rolling walking support with a utility bag having interchangeable front panels providing alert indicia
A walker is fitted with a utility bag having pockets on both a front side and a rear side of the bag. Panels are removably attached to the front of the bag. Each one of the panels of a set of panels provides utility messages and illustrations to improve the navigati...
07/26/2011
7984723Self-standing walking cane
A walking cane that can be stored in a novel manner is provided. The walking cane may include a non-articulating handle portion and a shaft portion extending from the handle portion. The handle portion is shaped in such a manner as to allow the walking cane to be se...
07/26/2011
7984726Portable shelter having frame with pivotally coupled foot members
A frame assembly for supporting an extendable wall member of a portable shelter on a foundation. The frame assembly includes a plurality of frame members that are operably secured together. The frame members are positionable between a first configuration, in which t...
07/26/2011
7980261Free-arm canopy
The invention originates with a mast on the upper end of which a locking and tiltable jib support is arranged. A jib is guided in the jib support such that said jib can be slid and fastened and carries a roof construction on the outer end thereof, wherein said roof ...
07/19/2011
7980263Tray for a walker
The present invention relates to a tray for use with a walker. The tray includes a generally rigid tray base having an essentially rectangular shape with a front long side, a back long side, a first short side and a second short side, and wherein the tray has a leng...
07/19/2011
7971595Central shaft control structure of self-opening/closing umbrella
A central shaft control structure is provided for a self-opening/closing umbrella and is arranged in a handle of the umbrella for self-opening/closing of the umbrella, including a safety device composed of a reversal prevention wheel having a toothed surface, an ope...
07/05/2011
7971597Wire tray and tent frame incorporating same
A wire tray and tent frame structural members are provided. The structural members include a utility channel or C-shaped channels to which wire trays can be mounted. More particularly, mounting structures of the wire tray insert into or otherwise engage the utility ...
07/05/2011
7971596Portable confinement device
A portable confinement device for confining a person upon a mattress is provided. The device includes a frame and a flexible enclosure. The enclosure is supported by and sits upon the frame to stabilize the device from tipping over. A mattress may be received into t...
07/05/2011
7958903Rail skirt system
The rail skirt system includes a top rail, a skirt that hangs from the top rail, formed from rail bar members connected together at their inner ends by a middle connector tube connectable to a locking support leg, to provide support for the top rail on a side of a s...
06/14/2011
7954504Fast-erecting portable structure
In its preferred embodiment, the fast-erecting portable structure principally comprises two or more flexible framing rods and a flexible skin. The flexible framing rods essentially form inverted u-shapes and the flexible skin hangs from the flexible framing rods in ...
06/07/2011
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