Patents by Inventor Sandra M. Lippka

Sandra M. Lippka 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: 10100954
    Abstract: A coupling arrangement that includes a gasket seal and a housing having a first lateral side for receiving a first pipe segment and a second lateral side for receiving a second pipe segment, the second lateral side being spaced from the first lateral side to define a medial axis of the housing. An inner surface of the housing defines a cavity for engaging and housing a gasket seal disposed about the first and second pipe segments. The gasket seal includes a peripheral surface and inner surface which can include features than engage both the housing and the pipe segments to form a fluid tight pipe joint assembly.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: October 16, 2018
    Assignee: Tyco Fire Products LP
    Inventor: Sandra M. Lippka
  • Publication number: 20160327192
    Abstract: A coupling arrangement that includes a gasket seal and a housing having a first lateral side for receiving a first pipe segment and a second lateral side for receiving a second pipe segment, the second lateral side being spaced from the first lateral side to define a medial axis of the housing. An inner surface of the housing defines a cavity for engaging and housing a gasket seal disposed about the first and second pipe segments. The gasket seal includes a peripheral surface and inner surface which can include features than engage both the housing and the pipe segments to form a fluid tight pipe joint assembly.
    Type: Application
    Filed: July 20, 2016
    Publication date: November 10, 2016
    Inventor: Sandra M. LIPPKA
  • Patent number: 9404608
    Abstract: A coupling arrangement that includes a gasket seal (40) and a housing (12, 14) having a first lateral side (100) for receiving a first pipe segment (4) and a second lateral side (102) for receiving a second pipe segment (2), the second lateral side (102) being spaced from the first lateral side (100) to define a medial axis (A-A) of the housing. An inner surface (22) of the housing defines a cavity for engaging and housing a gasket seal (40) disposed about the first and second pipe segments. The gasket seal (40) includes a peripheral surface (48) and inner surface (50) which can include features that engage both the housing and the pipe segments to form a fluid tight pipe joint assembly.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: August 2, 2016
    Assignee: Tyco Fire Products LP
    Inventor: Sandra M. Lippka
  • Publication number: 20160040816
    Abstract: Devices and methods for coupling fluid conveying piping (12) in an arrangement to provide a one or more branch connections. A mechanical fitting includes a lower housing (110a) and an upper housing (110b) coupled to one another to define an interior space (112) for housing a tubular pipe segment (12). At least one insert (200) for insertion in one of the upper or lower housing includes a tubular body (200b) that defines a fluid flow passageway (202) and a base (200a) that engages an opening (14) in the pipe segment (12). The base and housings are configured to engage one another to prevent rotation of the insert (200) with respect to the housing (110).
    Type: Application
    Filed: March 12, 2014
    Publication date: February 11, 2016
    Applicants: SHURJOINT PIPING PRODUCTS, INC., TYCO FIRE PRODUCTS LP
    Inventors: Hsu CHENG-SHENG, Sandra M. LIPPKA, Kristy M. DUNCHAK
  • Publication number: 20150300549
    Abstract: Devices and methods for coupling fluid conveying piping in an arrangement to provide a branch connection. A mechanical fitting includes a lower housing and an upper housing coupled to one another to define an interior space for housing a tubular pipe segment. An insert for insertion in the upper housing includes a tubular body that defines a fluid flow passageway and a base that engages an opening in the pipe segment. The base and upper housing are configured to engage one another to prevent rotation of the insert with respect to the upper housing.
    Type: Application
    Filed: March 12, 2014
    Publication date: October 22, 2015
    Applicants: Tyco Fire Products LP, Shurjoint Piping Products, Inc.
    Inventors: Hsu Cheng-Sheng, Sandra M. Lippka
  • Patent number: 9080700
    Abstract: Coupling devices for joining pipe ends include annular gaskets. Example gaskets include pipe interface profiles for sealing performance and manufacturability.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: July 14, 2015
    Assignee: Mueller International LLC
    Inventors: Sandra M. Lippka, Michael Horgan
  • Patent number: 8646814
    Abstract: Coupling devices for joining pipe ends include annular gaskets. Example gaskets include pipe interface profiles for sealing performance and manufacturability.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: February 11, 2014
    Assignee: Anvil International LLC
    Inventors: Sandra M. Lippka, Michael Horgan
  • Publication number: 20120248767
    Abstract: A coupling arrangement that includes a gasket seal (40) and a housing (12, 14) having a first lateral side (100) for receiving a first pipe segment (4) and a second lateral side (102) for receiving a second pipe segment (2), the second lateral side (102) being spaced from the first lateral side (100) to define a medial axis (A-A) of the housing. An inner surface (22) of the housing defines a cavity for engaging and housing a gasket seal (40) disposed about the first and second pipe segments. The gasket seal (40) includes a peripheral surface (48) and inner surface (50) which can include features that engage both the housing and the pipe segments to form a fluid tight pipe joint assembly.
    Type: Application
    Filed: October 25, 2010
    Publication date: October 4, 2012
    Inventor: Sandra M. Lippka
  • Publication number: 20110204582
    Abstract: Various embodiments of the present invention provide improved coupling devices for joining pipe ends that have improved sealing performance and manufacturability over known pipe coupling devices. One of the improvements provided by embodiments of the present invention is a unique design of the gasket. Various embodiments of the gasket include an innovative pipe interface profile that improves the manufacturability of the gasket itself and its sealing performance.
    Type: Application
    Filed: May 2, 2011
    Publication date: August 25, 2011
    Applicant: ANVIL INTERNATIONAL, LP
    Inventors: Sandra M. Lippka, Michael Horgan
  • Publication number: 20090146417
    Abstract: Various embodiments of the present invention provide improved coupling devices for joining pipe ends that have improved sealing performance and manufacturability over known pipe coupling devices. One of the improvements provided by embodiments of the present invention is a unique design of the gasket. Various embodiments of the gasket include an innovative pipe interface profile that improves the manufacturability of the gasket itself and its sealing performance.
    Type: Application
    Filed: October 3, 2008
    Publication date: June 11, 2009
    Inventors: Sandra M. Lippka, Michael Horgan
  • Patent number: 6196039
    Abstract: Groove rollers, which are for use with a roll grooving device for forming a groove in an outer surface of a pipe near an end of the pipe, include an outside roller and an inside roller. The outside roller has a peripheral surface that includes a first protrusion configured to form the groove, and a second protrusion having a surface configured to inhibit flaring of the end of the pipe when forming the groove. The inside roller has a peripheral surface that includes a notch configured to receive the first protrusion, and may have a second notch configured to receive the second protrusion. A pipe abutment surface against which the end of the pipe is positioned when forming the groove is formed on one of the inside or outside rollers. In another feature, the outside roller includes a first aligning element and the inside roller includes a second aligning element configured to interact with the first aligning element to align the outside and inside rollers when forming the groove.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: March 6, 2001
    Assignee: Anvil International, Inc.
    Inventors: James O. Williams, Bruce M. Platusich, Sandra M. Lippka
  • Patent number: 5778715
    Abstract: A positioning roller assembly for use when cold rolling a tube includes first and second positioning rollers disposed for initial contact with a tube surface, and a mechanism for maintaining contact of the first and second positioning rollers relative to the tube surface during groove rolling. The first positioning roller is positioned to apply a first initial predetermined load to the tube and the second positioning roller is positioned to apply a second, smaller initial predetermined load to the tube. The mechanism acts on the tube in a manner to equalize the loads to offset the tube during cold rolling. The positioning rollers also apply a downward load to the tube during cold rolling to, e.g., reduce tube end flaring when cold rolling a groove in a steel pipe and stabilize a cold rolling machine when cold rolling outward steps in a copper pipe.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: July 14, 1998
    Assignee: Grinnell Corporation
    Inventors: Sandra M. Lippka, James O. Williams
  • Patent number: 5570603
    Abstract: An apparatus for cold rolling a piping element connection with multiple outward steps has first and second rollers, a driver for the second roller, and a positioning roller. The first roller rotates about a first axis, with first and second upper surfaces of rotation centered thereabout, the first surface mean diameter being less than that of the second surface. The first roller has an upper leading edge between the first and second upper surfaces. The second roller is mounted for rotation about a second axis parallel to the first axis, with first and second lower surfaces of rotation centered thereabout, the first surface mean diameter being less than that of the second surface, and the second roller having a lower trailing edge between the first and second lower surfaces.
    Type: Grant
    Filed: February 8, 1995
    Date of Patent: November 5, 1996
    Assignee: Grinnell Corporation
    Inventors: Charles N. Chatterley, Michael W. Horgan, Sandra M. Lippka
  • Patent number: 4998313
    Abstract: A gangway system for providing access, particularly for handicapped persons, between structures having surfaces which are relatively movable with respect to each other over a range of motion. The gangway includes a plurality of alternating ramp and platform members hingedly coupled to one another, the ends of the gangway being in contact with the surfaces of the structures. The platform members are supported by support members fixed in position relative to one of the structures and, over the range of motion, as the surfaces move vertically relative to one another the ramps and platforms come to rest in sequence adjacent the surface of the other structure. The lengths of the ramps are selected to be less than a preselected value and their slopes are selected so as not to exceed a preselected value during use so that handicapped access is facilitated.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: March 12, 1991
    Assignee: Massachusetts Institute of Technology
    Inventors: Sandra M. Lippka, Carl R. Peterson
  • Patent number: D836184
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: December 18, 2018
    Assignee: Tyco Fire Products LP
    Inventor: Sandra M. Lippka
  • Patent number: D836185
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: December 18, 2018
    Assignee: Tyco Fire Products LP
    Inventor: Sandra M. Lippka
  • Patent number: D839398
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: January 29, 2019
    Assignee: Tyco Fire Products LP
    Inventor: Sandra M. Lippka
  • Patent number: D839399
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: January 29, 2019
    Assignee: Tyco Fire Products LP
    Inventor: Sandra M. Lippka