Patents by Inventor Felix Sorkin

Felix Sorkin 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: 10717159
    Abstract: The system includes a plasma strand cutter. The plasma strand cutter includes a plasma torch, the plasma torch including a pivot and an attachment point and an actuating device, the actuating device mounted on the plasma torch at the attachment point. The plasma strand cutter also includes a power supply, the power supply connected to the plasma torch and the actuating device. The system includes a strand puller, the strand puller paired with the plasma strand cutter and a platform, the platform positioned so as to provide a rest for or in close proximity to the strand.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: July 21, 2020
    Inventor: Felix Sorkin
  • Publication number: 20200223018
    Abstract: A spark absorbing system for use with a cutting torch, comprises a cap having at least one spark opening therethrough and a spark capture unit coupled to the cap and positioned to capture sparks passing through the spark opening. The spark capture unit may comprise a tube extending from the cap and may include an outlet and a flow-reduction element positioned between the cap and the outlet and/or a spark accumulator between the cap and the spark capture unit. The flow-reduction element may comprise at least one baffle, screen or mesh. The spark absorbing system may further include a spark ramp extending from the cap opposite the spark capture unit and/or a shield, which may define a cutting space between the shield and the cap.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Inventor: Felix Sorkin
  • Publication number: 20200224416
    Abstract: A barrier cable coupler for coupling two lengths of barrier cable comprises a coupler body including a threaded inner surface, a first end, and a second end; a fixed retaining collar having an outer surface and being retained to the first end of the coupler body, the fixed retaining collar including a tapered inner surface; one or more fixed end wedges positioned within the tapered inner surface of the fixed retaining collar; a tensioning retaining collar having an outer surface, the tensioning retaining collar positioned at least partially within the second end of the coupler body and including a tapered inner surface; one or more tensioning end wedges positioned within the tapered inner surface of the tensioning retaining collar; and a tensioning nut including a threaded outer surface engaging the threaded inner surface of the second end of the coupler body and retaining the tensioning retaining collar therein.
    Type: Application
    Filed: March 30, 2020
    Publication date: July 16, 2020
    Inventor: Felix Sorkin
  • Patent number: 10711454
    Abstract: The process includes forming a concrete form at least one end wall where the concrete form is adapted to receive concrete placed thereinto. The process also includes setting a fixed end anchor and a tensioning end anchor on at least one end wall where the fixed end anchor and tensioning end anchor are each adapted to receive a tendon. The process further includes threading the tendon through the fixed end anchor and tensioning end anchor such that a tensioning end portion of the tendon extends from the tensioning end anchor and placing concrete into the concrete form. The process includes installing a cap about the circumference of the tensioning end portion of the tendon. The cap includes a cap body. The cap body includes an inner bore, where the inner bore has a diameter corresponding to the outer diameter of the tendon.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: July 14, 2020
    Inventor: Felix Sorkin
  • Publication number: 20200217439
    Abstract: A duct coupler assembly includes a female duct coupler, where the female duct coupler is coupled to a first duct segment. The female duct coupler includes a female duct coupler body having an inner surface having an inner diameter and a bayonet slot formed therein. The duct coupler assembly further includes a male duct coupler. The male duct coupler is coupled to a second duct segment. The male duct coupler includes a male duct coupler body having an outer surface having an outer diameter, where the outer diameter is smaller than the inner diameter of the inner surface of the female duct coupler body. The male duct coupler has a bayonet post extending from an outer surface of the male duct coupler body, and the male duct coupler body is positioned within the female duct coupler body such that the bayonet post is positioned within the bayonet slot wherein the male duct coupler is coupled with the female duct coupler.
    Type: Application
    Filed: March 20, 2020
    Publication date: July 9, 2020
    Inventor: Felix Sorkin
  • Patent number: 10655358
    Abstract: A barrier cable anchor for mechanically coupling a barrier cable to a barrier retaining structure comprises an anchor body comprising a mounting extension and an anchor body extension and including a radially extending mounting face, a retaining collar coupled to the anchor body extension and including a tapered inner surface, and one or more retaining wedges positioned within the retaining collar. The anchor body extension, mounting extension, and retaining collar may have bores therethrough. The retaining collar may include a threaded outer surface and the anchor body extension may include a threaded inner surface and the retaining collar may be threadedly coupled to the anchor body extension. The anchor may further comprise an anchor cap retained to the anchor body extension. The anchor cap may include a threaded inner surface and the retaining collar may be threadedly coupled to the anchor cap.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: May 19, 2020
    Inventor: Felix Sorkin
  • Patent number: 10640978
    Abstract: A barrier cable coupler for coupling two lengths of barrier cable comprises a coupler body including a threaded inner surface, a first end, and a second end; a fixed retaining collar having an outer surface and being retained to the first end of the coupler body, the fixed retaining collar including a tapered inner surface; one or more fixed end wedges positioned within the tapered inner surface of the fixed retaining collar; a tensioning retaining collar having an outer surface, the tensioning retaining collar positioned at least partially within the second end of the coupler body and including a tapered inner surface; one or more tensioning end wedges positioned within the tapered inner surface of the tensioning retaining collar; and a tensioning nut including a threaded outer surface engaging the threaded inner surface of the second end of the coupler body and retaining the tensioning retaining collar therein.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: May 5, 2020
    Inventor: Felix Sorkin
  • Patent number: 10639750
    Abstract: A spark absorbing system for use with a cutting torch, comprises a cap having at least one spark opening therethrough and a spark capture unit coupled to the cap and positioned to capture sparks passing through the spark opening. The spark capture unit may comprise a tube extending from the cap and may include an outlet and a flow-reduction element positioned between the cap and the outlet and/or a spark accumulator between the cap and the spark capture unit. The flow-reduction element may comprise at least one baffle, screen or mesh. The spark absorbing system may further include a spark ramp extending from the cap opposite the spark capture unit and/or a shield, which may define a cutting space between the shield and the cap.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: May 5, 2020
    Inventor: Felix Sorkin
  • Patent number: 10634271
    Abstract: A duct coupler assembly includes a female duct coupler, where the female duct coupler is coupled to a first duct segment. The female duct coupler includes a female duct coupler body having an inner surface having an inner diameter and a bayonet slot formed therein. The duct coupler assembly further includes a male duct coupler. The male duct coupler is coupled to a second duct segment. The male duct coupler includes a male duct coupler body having an outer surface having an outer diameter, where the outer diameter is smaller than the inner diameter of the inner surface of the female duct coupler body. The male duct coupler has a bayonet post extending from an outer surface of the male duct coupler body, and the male duct coupler body is positioned within the female duct coupler body such that the bayonet post is positioned within the bayonet slot wherein the male duct coupler is coupled with the female duct coupler.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: April 28, 2020
    Inventor: Felix Sorkin
  • Patent number: 10619351
    Abstract: A sheathing puller for use in a concrete post-tensioning system that includes at least one anchor assembly and a tension member comprising a cable and a sheath surrounding the cable, comprises a stationary coupler, a force applicator mechanically coupled to the stationary coupler, and a sheathing gripper mechanically coupled to the force applicator and configured to grip the sheath. Actuation of the force applicator may cause the sheathing gripper to grip the sheath and apply a longitudinal force thereto. The sheathing stationary coupler may be configured to engage the at least one anchor and the force applicator may be a pulley, screw, ratchet, bar clamp, pipe clamp, or screw clamp. Also disclosed is a method for mechanically coupling the stationary coupler to a fixed object, mechanically coupling the sheathing gripper to the sheath, and sliding the sheath along the tension member using the sheathing puller.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: April 14, 2020
    Inventor: Felix Sorkin
  • Publication number: 20200032516
    Abstract: A sheathing puller for use in a concrete post-tensioning system that includes at least one anchor assembly and a tension member comprising a cable and a sheath surrounding the cable, comprises a stationary coupler, a force applicator mechanically coupled to the stationary coupler, and a sheathing gripper mechanically coupled to the force applicator and configured to grip the sheath. Actuation of the force applicator may cause the sheathing gripper to grip the sheath and apply a longitudinal force thereto. The sheathing stationary coupler may be configured to engage the at least one anchor and the force applicator may be a pulley, screw, ratchet, bar clamp, pipe clamp, or screw clamp. Also disclosed is a method for mechanically coupling the stationary coupler to a fixed object, mechanically coupling the sheathing gripper to the sheath, and sliding the sheath along the tension member using the sheathing puller.
    Type: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Inventor: Felix Sorkin
  • Patent number: 10500799
    Abstract: A pocket former may include a pocket former body, the pocket former body having an outer surface. The pocket former may further include a collapsible element, the collapsible element formed on the outer surface of the pocket former body. The collapsible element may extend radially outwardly from the pocket former body.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: December 10, 2019
    Inventor: Felix Sorkin
  • Patent number: 10494816
    Abstract: A sheathing puller for use in a concrete post-tensioning system that includes at least one anchor assembly and a tension member comprising a cable and a sheath surrounding the cable, comprises a stationary coupler, a force applicator mechanically coupled to the stationary coupler, and a sheathing gripper mechanically coupled to the force applicator and configured to grip the sheath. Actuation of the force applicator may cause the sheathing gripper to grip the sheath and apply a longitudinal force thereto. The sheathing stationary coupler may be configured to engage the at least one anchor and the force applicator may be a pulley, screw, ratchet, bar clamp, pipe clamp, or screw clamp. Also disclosed is a method for mechanically coupling the stationary coupler to a fixed object, mechanically coupling the sheathing gripper to the sheath, and sliding the sheath along the tension member using the sheathing puller.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: December 3, 2019
    Inventor: Felix Sorkin
  • Patent number: 10428523
    Abstract: A post-tensioning tendon may include a tension member including a strand and sheath, the sheath having an outer surface. The post-tensioning tendon may also include an anchor coupled to an end of the tension member, the anchor including a tubular extension through which the tension member is passed. The tubular extension may have an engaging surface. The post-tensioning tendon may additionally include a sheathing retention assembly. The sheathing retention assembly may include an outer cap, the outer cap having a forcing surface. The outer cap may be coupled to the tubular extension. The sheathing retention assembly also may include one or more holding elements positioned at least partially within the outer cap. The one or more holding elements may each have a tapered outer surface abutting the forcing surface. The one or more holding elements each may include an inner surface that engages the outer surface of the sheath.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: October 1, 2019
    Inventor: Felix Sorkin
  • Patent number: 10343354
    Abstract: A pocket former may include a pocket former body, the pocket former body having an outer surface. The pocket former may further include a collapsible element, the collapsible element formed on the outer surface of the pocket former body. The collapsible element may extend radially outwardly from the pocket former body.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: July 9, 2019
    Inventor: Felix Sorkin
  • Publication number: 20190063066
    Abstract: A post-tensioning tendon may include a tension member including a strand and sheath, the sheath having an outer surface. The post-tensioning tendon may also include an anchor coupled to an end of the tension member, the anchor including a tubular extension through which the tension member is passed. The tubular extension may have an engaging surface. The post-tensioning tendon may additionally include a sheathing retention assembly. The sheathing retention assembly may include an outer cap, the outer cap having a forcing surface. The outer cap may be coupled to the tubular extension. The sheathing retention assembly also may include one or more holding elements positioned at least partially within the outer cap. The one or more holding elements may each have a tapered outer surface abutting the forcing surface. The one or more holding elements each may include an inner surface that engages the outer surface of the sheath.
    Type: Application
    Filed: October 26, 2018
    Publication date: February 28, 2019
    Inventor: Felix Sorkin
  • Patent number: 10196820
    Abstract: An encapsulated splice chuck may include a splice chuck body and a body encapsulation positioned about an exterior surface of the splice chuck body. The encapsulated splice chuck may also include a first forcing cone threadedly coupled to the splice chuck body, the first forcing cone including a tapered inner surface. In addition, the encapsulated splice chuck may include a first forcing cone encapsulation positioned about an exterior surface of the first forcing cone and a first set of wedges positioned within the first forcing cone. The encapsulated splice chuck may include a second forcing cone mechanically coupled to the splice chuck body, the second forcing cone including a tapered inner surface, and a second forcing cone encapsulation positioned about an exterior surface of the second forcing cone. The encapsulated splice chuck may also include a second set of wedges positioned within the second forcing cone.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: February 5, 2019
    Inventor: Felix Sorkin
  • Publication number: 20190024187
    Abstract: A pocket former may include a pocket former body, the pocket former body having an outer surface. The pocket former may further include a collapsible element, the collapsible element formed on the outer surface of the pocket former body. The collapsible element may extend radially outwardly from the pocket former body.
    Type: Application
    Filed: September 26, 2018
    Publication date: January 24, 2019
    Inventor: Felix Sorkin
  • Publication number: 20190010559
    Abstract: A pocket former may include a pocket former body, the pocket former body having an outer surface. The pocket former may further include a collapsible element, the collapsible element formed on the outer surface of the pocket former body. The collapsible element may extend radially outwardly from the pocket former body.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 10, 2019
    Inventor: Felix Sorkin
  • Patent number: 10145114
    Abstract: A post-tensioning tendon may include a tension member including a strand and sheath, the sheath having an outer surface. The post-tensioning tendon may also include an anchor coupled to an end of the tension member, the anchor including a tubular extension through which the tension member is passed. The tubular extension may have an engaging surface. The post-tensioning tendon may additionally include a sheathing retention assembly. The sheathing retention assembly may include an outer cap, the outer cap having a forcing surface. The outer cap may be coupled to the tubular extension. The sheathing retention assembly also may include one or more holding elements positioned at least partially within the outer cap. The one or more holding elements may each have a tapered outer surface abutting the forcing surface. The one or more holding elements each may include an inner surface that engages the outer surface of the sheath.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: December 4, 2018
    Inventor: Felix Sorkin