Yu U Li

US Patent:

6568737, May 27, 2003

Filed:

Jul 15, 2002

Appl. No.:

10/194477

Inventors:

Yu Jin Li - El Monte CA 91731

International Classification:

B60J 1100

US Classification:

296 951, 296136, 16037021

Abstract:

A foldable vehicle window shading device includes a central hub having a receiving cavity, and a plurality of folding arms radially extended from the central hub, a plurality of elongated elements extended from the central hub to the folding arms respectively, and an awning shelter supported by the folding arms for sheltering the vehicle window. Each of the folding arms includes a plurality of tubular members wherein a tension portion of the respective elongated element is slidably passed through the tubular members in such a manner that when shortening the length of each tension portion of the elongated elements, the tubular members of each folding arm are tensionally coupled with each other ends to ends to outwardly extend the folding arm from the central hub, so as to tensionally stretch out the awning shelter.

US Patent:

60272732, Feb 22, 2000

Filed:

Oct 22, 1998

Appl. No.:

9/176832

Inventors:

Yu Cheng Li - Arcadia CA

International Classification:

A46B 502

US Classification:

401190

Abstract:

A toothbrush with pressurized toothpaste dispenser for dispensing toothpaste by pressing a release valve. The inventive device includes a toothbrush having a handle portion and a brushing portion. The handle portion has a hollow interior with a paste conduit extending from it into the brushing portion. The paste conduit is in communication with a paste nozzle that extends outwardly of the brushing portion. The brushing portion has a plurality of bristles that extend outwardly from it and surround the paste nozzle. The hollow interior of the handle portion of the toothbrush is adapted to receive toothpaste. The interior has a forward biasing portion that urges toothpaste held in the hollow interior of the handle portion into the paste conduit. A paste dispensing valve is in communication with the paste conduit.

US Patent:

20230063327, Mar 2, 2023

Filed:

Aug 30, 2021

Appl. No.:

17/461933

Inventors:

Yu Jin Li - Norco CA, US

Assignee:

IP POWER HOLDINGS LIMITED - Hong Kong

International Classification:

E04B 1/344
E04H 1/12

Abstract:

A folding shed may include a roof portion, a lateral portion and a bottom portion, said lateral portions forming two lateral sides of the shed that connects the roof portion and the bottom portion. Each roof portion, lateral portion and bottom portion includes a plurality of connecting units and hinge units, and each hinge unit is configured to pivotally connect with a longitudinal side of one connecting unit and pivotally connect with the other longitudinal side of an adjacent connecting unit. At least one hinge unit is configured to pivotally connect a corresponding connecting unit in the roof portion and a corresponding connecting unit in the lateral portion, and at least another hinge unit is configured to pivotally connect a corresponding connecting unit in the lateral portion and a corresponding connecting unit in the bottom portion.

US Patent:

20180332957, Nov 22, 2018

Filed:

May 16, 2018

Appl. No.:

15/981764

Inventors:

Yu Jin Li - Norco CA, US

Assignee:

IP POWER HOLDINGS LIMITED - Hong Kong

International Classification:

A47B 23/04
A47B 9/16

Abstract:

A supporting rack may include a supporting surface, a base, a side supporting member, a center supporting member and a position adjusting unit. In one embodiment, the side supporting member has two side supporting arms, and an upper end of each side supporting arm is pivotally connected with an upper locking unit on one side of the supporting surface and a lower end thereof is pivotally connected to a corresponding side of the base. More specifically, the lower end of each side supporting arm is also connected to a lower locking unit on the base, which is configured to provide not only a stronger support for the supporting surface, but also lock the lower end of the side supporting arms. Similarly, each side supporting arm can be locked through the upper locking unit at a predetermined position according to the user's preference.