Patents by Inventor Ravi S. Sanka

Ravi S. Sanka 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: 7213382
    Abstract: The present invention relates to an apparatus for packaging contact lenses. The apparatus includes a compliant head, improved heater and improved heat seal die.
    Type: Grant
    Filed: May 2, 2005
    Date of Patent: May 8, 2007
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Leslie A. Voss, Gregory S. Duncan, Ravi S. Sanka, Gary S. Hall, Mark E. Schlagel, Michael F. Widman
  • Publication number: 20040112008
    Abstract: The present invention relates to an apparatus for packaging contact lenses. The apparatus includes a compliant head, improved heater and improved heat seal die.
    Type: Application
    Filed: July 1, 2003
    Publication date: June 17, 2004
    Inventors: Leslie A. Voss, Gregory S. Duncan, Ravi S. Sanka, Gary S. Hall, Mark E. Schlagel, Michael F. Widman
  • Patent number: 6609041
    Abstract: A method for tracking multiple SKUs of ophthalmic devices in a manufacturing line, comprises the steps of: assembling first molding devices, at least one of the first molding devices having an identification device, such as, a bar-code or an inductive transmitting/receiving device; reading the identification device of the first molding devices; forming first molded parts using the first molding devices; providing a plurality of carriers, the carriers having carrier indicators; transferring the first molded parts to at least one of a plurality of carriers; reading the carrier indicator of the carrier carrying the first molded parts; and storing in machine-accessible memory the information associated with the identification device of the first molding devices and the information associated with the carrier indicator of the carrier carrying the first molded parts.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: August 19, 2003
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Ravi S. Sanka, Gregory Scott Duncan, Ranganath Ramakrishnan Raja, Gary S. Hall, Daniel Tsu-Fang Wang
  • Publication number: 20020095909
    Abstract: The present invention relates to an apparatus for packaging contact lenses. The apparatus includes a plurality of discrete inspection lens carriers and a plurality of contact lens containers. The carriers are movable within the apparatus. A single one of the containers is mounted on a single one of the carriers. The apparatus, in another embodiment, includes a plurality of lens carriers, a plurality of lifts, a plurality of contact lens containers and either a plurality of platens or a plurality of mandrels. One of the containers is mounted on a respective one of the carriers. Each of the platens or each of the mandrels is individually supported by one of the lifts. The lifts apply pressure, within a predetermined range, to each of the containers. The apparatus, in another embodiment, includes a plurality of contact lens containers. A heated mandrel is disposed above the plurality of containers.
    Type: Application
    Filed: March 22, 2002
    Publication date: July 25, 2002
    Inventors: Gregory Scott Duncan, Ravi S. Sanka, Gary S. Hall
  • Patent number: 5555504
    Abstract: A production line tracking and quality control system and method thereof comprises a series of pallets for carrying one or more first contact lens mold halves or one or more complementary second contact lens mold halves throughout a contact lens fabrication facility. Each pallet of the series is transported on a conveyor device throughout the fabrication facility, and each pallet includes a unique identifying code. The fabrication facility includes one or more process stations and a control device provides real time monitoring of contact lens fabrication processes at the one or more process stations. The control device further includes a tracking device for identifying the unique code of each of the pallets at one or more process stations while continually receiving monitored process condition values at each station.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: September 10, 1996
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: John M. Lepper, Ravi S. Sanka, Craig W. Walker, Daniel T.-F. Wang
  • Patent number: 5461570
    Abstract: A computer control system for optimizing process parameters in an automated production line for producing contact lenses. The system comprises a plurality of process controllers for controlling one or more process stations of the production line, each of the controllers regulating a plurality of process control devices that each control specific production parameters used in the automated manufacture of contact lenses at the process station(s). An automated lens inspection device automatically evaluates each contact lens produced and generates inspection data for each contact lens, and a polling device polls each of the process controllers on a frequent basis to acquire process control data for each period. Further included is a correlating device for correlating the inspection data to the process control data and the contact lens data to optimize process parameters used in the production of contact lenses.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: October 24, 1995
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: Daniel T. Wang, Lars W. Johnson, John M. Lepper, Wallace A. Martin, Leonard R. Reinhart, Ravi S. Sanka, Craig W. Walker