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

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Examiner: Yip, Winnie


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

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8104491 Outdoor shading device with renewable power system
8096312 Erectable shelter with three way awning
8091570 Corner brace
8087420 Gravity-powered, wind-resistant and self-opening umbrella system
8087422 Canopy with ventilation
8082938 Collapsible shelters with and without a floating hub
8079380 Portable ice house
8079096 Self-contained, portable, non-mechanical waste disposal system
8074669 Expandable-collapsible multipurpose frame apparatus
8069871 Vented protective canopy housing for grill
8069869 Crutch and a grip unit thereof
8069870 Ventilator for venting covers
8061375 Adjustable rib connectors
8061376 Stable wheeled walker device
8051866 Covering system
8051867 Gable closure system for tents
8047216 Standing aid
8047218 Cabin tent frame
8042562 Portable shelters, related shelter systems, and methods of their ...
8025071 Bases and braces for support poles, such as poles for pavilions a...
8015988 Rechargeable battery arrangement for electrical system of shading...
8011379 Portable and compact umbrella
8006711 Trekking pole clamp and methods
8001987 Support system for shelters
7997291 Portable hunting chair and blind
7997290 Assembly of a spindle and guide therefor
7992582 Umbrella and umbrella canopy
7987863 Modular pole tent and joining means
7987864 Deployable structures and methods for assembling same
7984724 Rolling walking support with a utility bag having interchangeable...
7984723 Self-standing walking cane
7984726 Portable shelter having frame with pivotally coupled foot members
7980261 Free-arm canopy
7980263 Tray for a walker
7971595 Central shaft control structure of self-opening/closing umbrella
7971597 Wire tray and tent frame incorporating same
7971596 Portable confinement device
7958903 Rail skirt system
7954504 Fast-erecting portable structure
7954502 Mobility assistance apparatus

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
6732753 Umbrella frame
6729340 Umbrella with switch for folding and opening umbrella automatical...
6675550 Penetration resistant window
6619307 Ground anchors
6612320 Economic double-story umbrella as conveniently anchored
6612077 Mounting arrangement for whiteboard
6601599 Erectable canopy with reinforced roof structure
6601348 Structures for mitigating wind suction atop a flat or slightly in...
6598612 Method and apparatus for imparting a mansard shape to an awning
6591849 Foldable frame structure
6581342 Blast protective window
6581617 Canopy tent with automatic umbrella-type collapsible frame
6575182 Tiltable and rotatable canopy frame for a sunshade
6575185 Collapsible structures
6571815 Sun shield
6571519 Panel partition system with centralized power and communication ...
6561584 Device for blocking a catch device for motor vehicle backrests, w...
6560945 Device for uniform shingle attachment to roof hip, ridge and barg...
6550203 Leak-proof lead barrier system
6539966 Removable cover for hunting blind
6536165 Enclosed rain gutter
6536178 Vertically joined floor elements comprising a combination of diff...
6532699 Sliding glass door greenhouse
6533352 Chair with reclining back rest
6526715 External wall construction
6527001 Stabilizing cane attachment
6519907 Frame section to be used as a modular structural element for buil...
6520192 Extensible positioning device of the shank of an umbrella
6520196 Erectable shelter with collapsible central roof support
6516583 Gusset plate connections for structural braced systems
6516820 Tilting umbrella
6513300 Wall cladding anchorage
6513874 Chair, especially office chair
6513293 Insulated cementaceous building block
6510667 Wall member and method of construction thereof
6505638 Canopy structure
6502597 Erectable canopy with reinforced roof structure
6499267 Rods secured in anchorage by at least one of organic and inorgani...
6497242 Multiple-fold umbrella rib assembly having inner ribs of aluminum...
6490842 Traction pad for maneuvering on a roof
 
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