Patents by Inventor Michael James Lurk
Michael James Lurk 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).
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Patent number: 10527190Abstract: An unload tee has a tee body with a front side and a rear side. The unload tee further includes a door rotatably connected to front side of the tee body; a catch pin mounted on and projecting from the door; a latch assembly connected to the door, and wherein the latch assembly is positioned towards the front side of the unload tee, and further wherein the latch assembly comprises a latch tab having an ear; and a catch defined as a curve in the ear of the latch tab, wherein the catch is configured to engage the catch pin when the door is in a closed position.Type: GrantFiled: March 30, 2017Date of Patent: January 7, 2020Assignee: Bray International, Inc.Inventors: Michael James Lurk, Thomas Linhorst, John Long
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Patent number: 9976677Abstract: The disclosure relates to a dual use coupling end including a pipe section having an annular recessed cam groove a distance from an annular endwardly facing surface of the pipe section, the cam groove defined by a curved or tapered cam groove surface extending gradually radially inwardly from an annular radial outer surface of the fitting adjacent toward the endwardly facing surface, to an annular clamp groove terminating on an opposite end by a radially outwardly extending annular clamp abutment surface located a distance from the endwardly facing surface. The clamp abutment surface extends a distance radially outwardly from the radial innermost portion to an annular beveled cam abutment surface at an acute angle to the clamp abutment surface and facing radially outwardly from the endwardly facing surface, the cam abutment surface disposed radially outwardly of the cam groove surface and including a radial outward discontinuous extension.Type: GrantFiled: March 17, 2014Date of Patent: May 22, 2018Assignee: ULTRAFLO CORPORATIONInventors: Michael James Lurk, Thomas A. Linhorst
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Publication number: 20170284559Abstract: An unload tee has a tee body with a front side and a rear side. The unload tee further includes a door rotatably connected to front side of the tee body; a catch pin mounted on and projecting from the door; a latch assembly connected to the door, and wherein the latch assembly is positioned towards the front side of the unload tee, and further wherein the latch assembly comprises a latch tab having an ear; and a catch defined as a curve in the ear of the latch tab, wherein the catch is configured to engage the catch pin when the door is in a closed position.Type: ApplicationFiled: March 30, 2017Publication date: October 5, 2017Inventors: Michael James Lurk, Thomas Linhorst, John Long
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Patent number: 9574669Abstract: A valve assembly has a valve body, a lower bushing, a valve seat, a lower stem, a disc, and an upper stem. The valve body defines a bi-directional flow path therethrough; wherein the valve body has an inner surface, two flange faces, and further defines an upper orifice and a hemispherical lower orifice along an axis perpendicular to the flow path. The lower bushing is housed in the lower orifice, and the lower bushing is configured to tilt within the lower orifice away from the axis. The lower bushing defines a bushing cavity. The valve seat has an outer surface configured to encapsulate the inner surface and the two flange faces of the valve body. The lower stem is housed in the bushing cavity, and the lower stem is configured for tilting away from and towards the axis perpendicular to the flow path. The disc has a seating surface on at outer circumference, defines a stem receptacle to house the lower stem, and the stem receptacle extends less than a diameter of the disc.Type: GrantFiled: March 18, 2016Date of Patent: February 21, 2017Assignee: Bray International, Inc.Inventors: Michael James Lurk, Thomas Linhorst
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Publication number: 20160201807Abstract: A valve assembly has a valve body, a lower bushing, a valve seat, a lower stem, a disc, and an upper stem. The valve body defines a bi-directional flow path therethrough; wherein the valve body has an inner surface, two flange faces, and further defines an upper orifice and a hemispherical lower orifice along an axis perpendicular to the flow path. The lower bushing is housed in the lower orifice, and the lower bushing is configured to tilt within the lower orifice away from the axis. The lower bushing defines a bushing cavity. The valve seat has an outer surface configured to encapsulate the inner surface and the two flange faces of the valve body. The lower stem is housed in the bushing cavity, and the lower stem is configured for tilting away from and towards the axis perpendicular to the flow path. The disc has a seating surface on at outer circumference, defines a stem receptacle to house the lower stem, and the stem receptacle extends less than a diameter of the disc.Type: ApplicationFiled: March 18, 2016Publication date: July 14, 2016Inventors: Michael James Lurk, Thomas Linhorst
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Patent number: 9291273Abstract: A valve assembly has a valve body, a lower bushing, a valve seat, a lower stem, a disc, and an upper stem. The valve body defines a bi-directional flow path therethrough; wherein the valve body has an inner surface, two flange faces, and further defines an upper orifice and a hemispherical lower orifice along an axis perpendicular to the flow path. The lower bushing is housed in the lower orifice, and the lower bushing is configured to tilt within the lower orifice away from the axis. The lower bushing defines a bushing cavity. The valve seat has an outer surface configured to encapsulate the inner surface and the two flange faces of the valve body. The lower stem is housed in the bushing cavity, and the lower stem is configured for tilting away from and towards the axis perpendicular to the flow path. The disc has a seating surface on at outer circumference, defines a stem receptacle to house the lower stem, and the stem receptacle extends less than a diameter of the disc.Type: GrantFiled: September 16, 2014Date of Patent: March 22, 2016Assignee: Bray International, Inc.Inventors: Michael James Lurk, Thomas Linhorst
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Publication number: 20150076384Abstract: A valve assembly has a valve body, a lower bushing, a valve seat, a lower stem, a disc, and an upper stem. The valve body defines a bi-directional flow path therethrough; wherein the valve body has an inner surface, two flange faces, and further defines an upper orifice and a hemispherical lower orifice along an axis perpendicular to the flow path. The lower bushing is housed in the lower orifice, and the lower bushing is configured to tilt within the lower orifice away from the axis. The lower bushing defines a bushing cavity. The valve seat has an outer surface configured to encapsulate the inner surface and the two flange faces of the valve body. The lower stem is housed in the bushing cavity, and the lower stem is configured for tilting away from and towards the axis perpendicular to the flow path. The disc has a seating surface on at outer circumference, defines a stem receptacle to house the lower stem, and the stem receptacle extends less than a diameter of the disc.Type: ApplicationFiled: September 16, 2014Publication date: March 19, 2015Inventors: Michael James Lurk, Thomas Linhorst
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Publication number: 20140284922Abstract: The disclosure relates to a dual use coupling end including a pipe section having an annular recessed cam groove a distance from an annular endwardly facing surface of the pipe section, the cam groove defined by a curved or tapered cam groove surface extending gradually radially inwardly from an annular radial outer surface of the fitting adjacent toward the endwardly facing surface, to an annular clamp groove terminating on an opposite end by a radially outwardly extending annular clamp abutment surface located a distance from the endwardly facing surface. The clamp abutment surface extends a distance radially outwardly from the radial innermost portion to an annular beveled cam abutment surface at an acute angle to the clamp abutment surface and facing radially outwardly from the endwardly facing surface, the cam abutment surface disposed radially outwardly of the cam groove surface and including a radial outward discontinuous extension.Type: ApplicationFiled: March 17, 2014Publication date: September 25, 2014Applicant: ULTRAFLO CORPORATIONInventors: Michael James Lurk, Thomas A. Linhorst