Patents by Inventor David P. Marcusen
David P. Marcusen 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: 9757819Abstract: A calibration tool includes a calibration tip. The calibration tool may be for a welding training system or some other welding system. The calibration tool also includes a first marker disposed a first distance from the calibration tip and a second marker disposed a second distance from the first marker. The second distance is adjustable during calibration.Type: GrantFiled: January 7, 2014Date of Patent: September 12, 2017Assignee: ILLINOIS TOOL WORKS INC.Inventors: William J. Becker, David P. Marcusen
-
Patent number: 9751149Abstract: A welding system includes a motion tracking system comprising a camera having a lens. The welding system also includes a cover disposed over the lens of the camera. The cover is configured to enable infrared light to pass therethrough and to block environmental elements from contacting the lens of the camera. The cover is disposed over the lens of the camera at an angle relative to a face of the camera, and the angle is between approximately 10 and 60 degrees.Type: GrantFiled: January 7, 2014Date of Patent: September 5, 2017Assignee: ILLINOIS TOOL WORKS INC.Inventors: William J. Becker, David P. Marcusen, Nicholas Jon Peterson, Mark S. Payne
-
Patent number: 9713852Abstract: A welding tool includes a first handle and a second handle. The welding tool also includes a torch nozzle holder configured to hold a nozzle of a welding torch therein, and to block the nozzle from extending therethrough. The welding tool includes a blade assembly positioned a predetermined distance from the torch nozzle holder. The blade assembly is configured to cut welding wire extending through the blade assembly to calibrate wire stickout from the welding torch to the predetermined distance.Type: GrantFiled: March 15, 2013Date of Patent: July 25, 2017Assignee: ILLINOIS TOOL WORKS INC.Inventors: William J. Becker, Richard Beeson, David P. Marcusen
-
Publication number: 20160329672Abstract: A reduced plug-size charger for providing output power to a portable rechargeable electronic device that is sized to not impede access to adjacent outlets. The charger plug includes a power conversion circuit, a pair of blades secured within the housing and a DC connector for connecting with a power cord. The power cord plug end can be conveniently removed from the DC connector while leaving the charger plug connected to the receptacle of a standard outlet.Type: ApplicationFiled: May 4, 2015Publication date: November 10, 2016Inventors: James William McGinley, Donalo Rimodzius, David P. Marcusen
-
Publication number: 20150190876Abstract: A welding system includes a motion tracking system comprising a camera having a lens. The welding system also includes a cover disposed over the lens of the camera. The cover is configured to enable infrared light to pass therethrough and to block environmental elements from contacting the lens of the camera. The cover is disposed over the lens of the camera at an angle relative to a face of the camera, and the angle is between approximately 10 and 60 degrees.Type: ApplicationFiled: January 7, 2014Publication date: July 9, 2015Applicant: Illinois Tool Works Inc.Inventors: William J. Becker, David P. Marcusen, Nicholas Jon Peterson, Mark S. Payne
-
Publication number: 20150190887Abstract: A calibration tool includes a calibration tip. The calibration tool may be for a welding training system or some other welding system. The calibration tool also includes a first marker disposed a first distance from the calibration tip and a second marker disposed a second distance from the first marker. The second distance is adjustable during calibration.Type: ApplicationFiled: January 7, 2014Publication date: July 9, 2015Applicant: Illinois Tool Works Inc.Inventors: William J. Becker, David P. Marcusen
-
Patent number: 9024581Abstract: A reduced plug-size charger plug for power conversion is disclosed utilizing a pair of blades that are slidably mounted into a charger housing, obviating the need for insertion molding. To promote and maintain electrical contact while minimizing package size and charger plug cost, a pair of spring contacts are provided for electrically connecting the blades with internal circuitry.Type: GrantFiled: May 21, 2008Date of Patent: May 5, 2015Inventors: James W. McGinley, Donald Rimdzius, David P. Marcusen
-
Patent number: 8901450Abstract: A plasma cutting or welding system includes a power input. The power input is configured to be coupled to a plurality of multipronged input plugs. Each of the multipronged input plugs corresponds to an input voltage. The power supply also includes a user input device for selecting an operating current. The user input device is subdivided into a plurality of current ranges. Each of the current ranges includes an iconic representation of at least one multipronged input plug.Type: GrantFiled: February 14, 2012Date of Patent: December 2, 2014Assignee: Illinois Tool Works Inc.Inventors: Alan A. Manthe, David P. Marcusen, Steven D. Hidden, Ashok Darisipudi, Brian Mitchell Brown, Jon M. Huhn
-
Patent number: 8754348Abstract: A system and method for automatically controlling gas pressure for a plasma cutter includes a plasma torch, a gas supply system to provide a pressurized gas to the plasma torch, and a proportional valve configured to regulate the pressurized gas. The proportional valve includes a body, a valve seat positioned therein and defining a valve orifice, and a plunger having a mating surface on one end that mates with the valve seat and the orifice and a pressure receiving surface on an opposite end. The proportional valve also includes an inlet to receive the pressurized gas and distribute the pressurized gas to the valve orifice and the pressure receiving surface of the plunger, an electrical solenoid having a chamber to electro-magnetically translate the plunger therein, and a bias urging the plunger toward the valve orifice in conjunction with the pressurized gas when electrical power is reduced to the electrical solenoid.Type: GrantFiled: February 15, 2013Date of Patent: June 17, 2014Assignee: Illinois Tool Works Inc.Inventors: Anthony V. Salsich, David P. Marcusen, Nick William Buettner, Brian J. Bornemann
-
Patent number: 8637786Abstract: A system and method for providing a high power density plasma cutting/welding-type system is disclosed. The plasma cutting system includes a housing and a power source disposed within the housing constructed to generate plasma cutting power. The plasma cutting system also includes a plasma torch actuated by a trigger and connected to the power source to produce a cutting arc. The plasma cutting system is constructed such that it has a power-to-weight ratio of at least 550 Watts per kilogram (W/kg).Type: GrantFiled: September 29, 2008Date of Patent: January 28, 2014Assignee: Illinois Tool Works Inc.Inventors: Anthony V. Salsich, David P. Marcusen, Nathan G. Leiteritz, Nick William Buettner
-
Publication number: 20130206735Abstract: A plasma cutting or welding system includes a power input. The power input is configured to be coupled to a plurality of multipronged input plugs. Each of the multipronged input plugs corresponds to an input voltage. The power supply also includes a user input device for selecting an operating current. The user input device is subdivided into a plurality of current ranges. Each of the current ranges includes an iconic representation of at least one multipronged input plug.Type: ApplicationFiled: February 14, 2012Publication date: August 15, 2013Applicant: Illinois Tool Works Inc.Inventors: Alan A. Manthe, David P. Marcusen, Steven D. Hidden, Ashok Darisipudi, Brian Mitchell Brown, John M. Huhn
-
Patent number: 8378249Abstract: A system and method for automatically controlling gas pressure for a plasma cutter includes a plasma torch, a gas supply system to provide a pressurized gas to the plasma torch, and a proportional valve configured to regulate the pressurized gas. The proportional valve includes a body, a valve seat positioned therein and defining a valve orifice, and a plunger having a mating surface on one end that mates with the valve seat and the orifice and a pressure receiving surface on an opposite end. The proportional valve also includes an inlet to receive the pressurized gas and distribute the pressurized gas to the valve orifice and the pressure receiving surface of the plunger, an electrical solenoid having a chamber to electro-magnetically translate the plunger therein, and a bias urging the plunger toward the valve orifice in conjunction with the pressurized gas when electrical power is reduced to the electrical solenoid.Type: GrantFiled: August 14, 2008Date of Patent: February 19, 2013Assignee: Illinois Tool Works Inc.Inventors: Anthony V. Salsich, David P. Marcusen, Nick William Buettner, Brian J. Bornemann
-
Publication number: 20110254506Abstract: A reduced plug-size charger plug for power conversion is disclosed utilizing a pair of blades that are slidably mounted into a charger housing, obviating the need for insertion molding. To promote and maintain electrical contact while minimizing package size and charger plug cost, a pair of spring contacts are provided for electrically connecting the blades with internal circuitry.Type: ApplicationFiled: May 19, 2011Publication date: October 20, 2011Applicant: Voltstar Technologies, Inc.Inventors: James W. McGinley, Donald Rimdzius, David P. Marcusen
-
Publication number: 20100078410Abstract: A system and method for providing a high power density plasma cutting/welding-type system is disclosed. The plasma cutting system includes a housing and a power source disposed within the housing constructed to generate plasma cutting power. The plasma cutting system also includes a plasma torch actuated by a trigger and connected to the power source to produce a cutting arc. The plasma cutting system is constructed such that it has a power-to-weight ratio of at least 550 Watts per kilogram (W/kg).Type: ApplicationFiled: September 29, 2008Publication date: April 1, 2010Inventors: Anthony V. Salsich, David P. Marcusen, Nathan G. Leiteritz, Nick William Buettner
-
Publication number: 20090294413Abstract: A system and method for automatically controlling gas pressure for a plasma cutter includes a plasma torch, a gas supply system to provide a pressurized gas to the plasma torch, and a proportional valve configured to regulate the pressurized gas. The proportional valve includes a body, a valve seat positioned therein and defining a valve orifice, and a plunger having a mating surface on one end that mates with the valve seat and the orifice and a pressure receiving surface on an opposite end. The proportional valve also includes an inlet to receive the pressurized gas and distribute the pressurized gas to the valve orifice and the pressure receiving surface of the plunger, an electrical solenoid having a chamber to electro-magnetically translate the plunger therein, and a bias urging the plunger toward the valve orifice in conjunction with the pressurized gas when electrical power is reduced to the electrical solenoid.Type: ApplicationFiled: August 14, 2008Publication date: December 3, 2009Inventors: Anthony V. Salsich, David P. Marcusen, Nick William Buettner, Brian J. Bornemann
-
Publication number: 20090289596Abstract: A reduced plug-size charger plug for power conversion is disclosed utilizing a pair of blades that are slidably mounted into a charger housing, obviating the need for insertion molding. To promote and maintain electrical contact while minimizing package size and charger plug cost, a pair of spring contacts are provided for electrically connecting the blades with internal circuitry.Type: ApplicationFiled: May 21, 2008Publication date: November 26, 2009Inventors: James W. McGinley, Donald Rimdzius, David P. Marcusen
-
Patent number: 7591030Abstract: A retractor assembly for engaging a sheet on which a patient is disposed includes a transverse member and a pair of tethers coupled to the transverse member and extending from the transverse member for coupling to a winding assembly. A pair of sheet clamps are mounted to the transverse member, which are spaced apart along the longitudinal axis of the transverse member in a fixed spaced relationship for engaging a sheet at two points spaced along the longitudinal axis. The transverse member maintains the sheet clamps in their fixed spaced relationship whereby the sheet clamps resist inward migration toward each other when being used to handle a patient on a sheet.Type: GrantFiled: March 10, 2008Date of Patent: September 22, 2009Assignee: Stryker CorporationInventors: Martin W. Stryker, Jeffrey L. Lewandowski, James T. Thwaites, Richard J. Bartow, Scott Smieja, David P. Marcusen
-
Publication number: 20080148479Abstract: A retractor assembly for engaging a sheet on which a patient is disposed includes a transverse member and a pair of tethers coupled to the transverse member and extending from the transverse member for coupling to a winding assembly. A pair of sheet clamps are mounted to the transverse member, which are spaced apart along the longitudinal axis of the transverse member in a fixed spaced relationship for engaging a sheet at two points spaced along the longitudinal axis. The transverse member maintains the sheet clamps in their fixed spaced relationship whereby the sheet clamps resist inward migration toward each other when being used to handle a patient on a sheet.Type: ApplicationFiled: March 10, 2008Publication date: June 26, 2008Applicant: STRYKER CORPORATIONInventors: Martin W. Stryker, Jeffrey L. Lewandowski, James T. Thwaites, Richard J. Bartow, Scott Smieja, David P. Marcusen
-
Patent number: 7340784Abstract: A patient transfer device includes a base assembly movable in forward and lateral directions. A power train is mounted within the base assembly, and is connected to a clamping and strap assembly. A power and switching system is in electrical communication with the power train. A retractor bar carries one or more clamping devices that are releasably attachable to a sheet. The clamping devices include a clamp handle pivotally connected to a clamp base and a clamp arm eccentrically pivotally connected to the clamp handle. The clamping and strap assembly is supported on the base assembly by a vertical adjustment assembly that includes a positioning mechanism for releasably locking the clamping and strap assembly at one of a plurality of vertical positions. An attendant can stand on the base assembly to act as a counterbalance to a patient's weight.Type: GrantFiled: June 13, 2005Date of Patent: March 11, 2008Assignee: Stryker CorporationInventors: Martin W. Stryker, Jeffrey L. Lewandowski, James T. Thwaites, Richard J. Bartow, Scott Smieja, David P. Marcusen
-
Patent number: 5316255Abstract: A vacuum operated container holder includes a support having a valve actuated vacuum source coupled thereto for selectively applying a vacuum to a resilient horizontally extending container support member for holding a container in place thereon. In a preferred embodiment of the invention, the container holder valve is actuated by the placement of a container on the support platform and rotating the container to activate or deactivate the valve which couples the support platform to a vacuum source using a natural wrist motion.Type: GrantFiled: January 9, 1992Date of Patent: May 31, 1994Assignee: Prince CorporationInventor: David P. Marcusen