Patents by Inventor Ching-Ching Chang

Ching-Ching Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8113485
    Abstract: A leak-proof structure of an oil pipe connector includes: a connector cylinder, being a hollow housing, and having an oil inlet at a front end, and an oil outlet at a rear end, and a switch base interconnected to a shaft hole in the connector cylinder; a control device, installed in the connector cylinder; a switch device, having a transmission shaft, inserted into the shaft hole and linked with the control device, and a switch handle coupled to the top of the transmission shaft; a leak-proof device, having a bearing slot below the shaft hole, and a first leak-proof slot, a circular latch slot and a second leak-proof slot above the leak-proof device, and a bearing being disposed below the bearing slot, and a first O-ring, and a latch ring, a second O-ring for achieving a leak-proof effect.
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: February 14, 2012
    Assignee: Bison, Inc.
    Inventors: Ching-Ching Chang, Ying-Ying Chang, Li-Jen Chang
  • Patent number: 8082942
    Abstract: The present invention discloses an oil pipe connector including a connector cylinder (abbr. cylinder), and having an oil inlet at front and an oil outlet at rear end of the cylinder; a switch base with a pivot hole interconnected with the interior of the cylinder; a control device, including a connector cap which being a hollow conical shape, the front end having positioning shaft hole interconnected with the interior; a control mechanism including a connecting portion, a positioning shaft and a piston disc coupled together; the positioning shaft being disposed in a positioning shaft hole of the connector cap; a switch device, including a push rod which being a curved lever, a transmission shaft and a switch handle; an end of the push rod linking the control mechanism; the transmission shaft being pivotally coupled to the pivot hole of the switch base of the cylinder; the switch handle being coupled to the connecting shaft lever.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: December 27, 2011
    Assignee: Bison Inc.
    Inventors: Ching-Ching Chang, Ying-Ying Chang, Li-Jen Chang
  • Publication number: 20100176586
    Abstract: The present invention discloses an oil pipe connector including a connector cylinder (abbr. cylinder), and having an oil inlet at front and an oil outlet at rear end of the cylinder; a switch base with a pivot hole interconnected with the interior of the cylinder; a control device, including a connector cap which being a hollow conical shape, the front end having positioning shaft hole interconnected with the interior; a control mechanism including a connecting portion, a positioning shaft and a piston disc coupled together; the positioning shaft being disposed in a positioning shaft hole of the connector cap; a switch device, including a push rod which being a curved lever, a transmission shaft and a switch handle; an end of the push rod linking the control mechanism; the transmission shaft being pivotally coupled to the pivot hole of the switch base of the cylinder; the switch handle being coupled to the connecting shaft lever.
    Type: Application
    Filed: January 15, 2009
    Publication date: July 15, 2010
    Applicant: BISON INC.
    Inventors: Ching-Ching Chang, Ying-Ying Chang, Li-jen Chang
  • Patent number: 7542819
    Abstract: A method and a system for managing product output are proposed, for connecting work partners at different locations of an enterprise through a network to the managing system, wherein an enterprise can assign an order from a client to a work partner who needs to increase profits, and allow another work partner to perform product manufacture and output according to the order. Moreover, after loginning the managing system, work partners at different locations of the enterprise can accurately monitor and control operation conditions associated with product manufacture, so that the enterprise can effectively manage distribution and flow of business performances and profits.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: June 2, 2009
    Assignee: Inventec Corporation
    Inventors: Yi-Ming Liao, Pei-Huan Chung, Cheng-Ju Chen, Ching-Ching Chang, Wen-Yi Chang
  • Publication number: 20030144851
    Abstract: A method and a system for controlling production and exportation are proposed, for connecting trading branches of an enterprise to the system for controlling production and exportation via a network, wherein the system for controlling production and exportation shares client orders with the trading branches for product exportation, so as to improve business performances for the trading branches, and enhance profits for the enterprise. In this case, received client order data are processed in a manner as to be transferred suitable trading branches for product manufacture and exportation. This therefore makes products to be cost-effectively manufactured, and provides the business performances for required trading branches, thereby enhancing confidence of investors to the trading branches and increasing overall profits and achievements for the enterprise.
    Type: Application
    Filed: January 28, 2002
    Publication date: July 31, 2003
    Inventors: Yi-Ming Liao, Pei-Huan Chung, Cheng-Ju Chen, Ching-Ching Chang, Wen-Yi Chang
  • Publication number: 20030078822
    Abstract: A method and a system for managing product output are proposed, for connecting work partners at different locations of an enterprise through a network to the managing system, wherein an enterprise can assign an order from a client to a work partner who needs to increase profits, and allow another work partner to perform product manufacture and output according to the order. Moreover, after loginning the managing system, work partners at different locations of the enterprise can accurately monitor and control operation conditions associated with product manufacture, so that the enterprise can effectively manage distribution and flow of business performances and profits.
    Type: Application
    Filed: November 15, 2001
    Publication date: April 24, 2003
    Inventors: Yi-Ming Liao, Pei-Huan Chung, Cheng-Ju Chen, Ching-Ching Chang, Wen-Yi Chang