Patents by Inventor Pavan K. Valavala

Pavan K. Valavala 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: 11448542
    Abstract: The present disclosure provides a dosing cap. In an embodiment, the dosing cap includes (A) a collar member having an annular skirt depending from a base. An inner surface of the annular skirt has a securing member for securing the collar member to a neck of a container. The base includes (i) at least one opening with a one-way valve permitting fluid flow in a first direction, and (ii) an air channel with a one-way valve permitting fluid flow in a second direction. The dosing cap includes (B) a cap member having an annular sidewall extending from a dispensing element. An inner surface of the annular sidewall has an attachment member adjustably attached to a reciprocal attachment member on an outer surface of the first sidewall. The dosing cap includes (C) a metering chamber formed by an enclosed volume between the cap member and the base. The dosing cap includes (D) the dispensing element permitting flow of a fluid from the metering chamber.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: September 20, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Pavan K. Valavala, Marc S. Black, Piyush Soni, Wenbo Xu, Hieu Truong, Sam L. Crabtree, Kumar N. Sanketh, Siddharth Ram Athreya, Amanda Craig
  • Publication number: 20210389166
    Abstract: The present disclosure provides a dosing cap. In an embodiment, the dosing cap includes (A) a collar member having an annular skirt depending from a base. An inner surface of the annular skirt has a securing member for securing the collar member to a neck of a container. The base includes (i) at least one opening with a one-way valve permitting fluid flow in a first direction, and (ii) an air channel with a one-way valve permitting fluid flow in a second direction. The dosing cap includes (B) a cap member having an annular sidewall extending from a dispensing element. An inner surface of the annular sidewall has an attachment member adjustably attached to a reciprocal attachment member on an outer surface of the first sidewall. The dosing cap includes (C) a metering chamber formed by an enclosed volume between the cap member and the base. The dosing cap includes (D) the dispensing element permitting flow of a fluid from the metering chamber.
    Type: Application
    Filed: October 14, 2019
    Publication date: December 16, 2021
    Inventors: Pavan K. Valavala, Marc C. Black, Piyush Soni, Wenbo Xu, Hieu Truong, Sam L. Crabtree, Kumar N. Sanketh, Siddharth Ram Athreya, Amanda Craig
  • Publication number: 20180311625
    Abstract: A dynamic mixer (40) comprising a rotatable structure (10, 111, 11, 1, 2, 3, 4, 5) having a cylindrical base (14) having a connector disposed at one end, an opposing thinned end, flights of 3 to 6 blades (11, 12, 151, 61), separated by a notches (13, 18) the blades (11, 12, 151, 61) have an inlet face facing the connector end, an outlet (30) face facing the thinned end, a leading edge (21) facing the direction of rotation, a trailing edge (20) opposite the leading edge (21), a standard leading face (154, 65) which tapers from the leading edge (21) to the outlet (30) face and a standard trailing face (166) which tapers from the trailing edge (20) to the inlet face, or a reverse leading face (154, 65) which tapers from the leading edge (21) to the inlet face and a reverse trailing face (155, 66) which tapers from the trailing edge (20) to the outlet (30) face, the notches (13, 18) are offset from one another and the article is adapted for use in a dynamic mixer (40) to mix viscous material when rotated in the m
    Type: Application
    Filed: March 1, 2016
    Publication date: November 1, 2018
    Inventors: Pavan K. Valavala, Matthew J. Turpin, Mark A. Spalding, Jeffery D. Zawisza, Steve Allison, Larry R. Ruddy, Nicholas E. Kennedy, Charles Eslinger, Laura J. Dietsche