Patents Assigned to Northern Tool & Equipment Company, Inc.
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Patent number: 10124995Abstract: A timberjack including a handle, and a jacking stand coupled to the handle, the jacking stand comprising a first portion and a second portion, wherein the first portion is arranged to engage the ground, and wherein the second portion is coupled to the first portion and extends downwardly from the handle to elevate a portion of the handle from the ground.Type: GrantFiled: July 10, 2014Date of Patent: November 13, 2018Assignee: Northern Tool and Equipment Company, Inc.Inventor: Robert Redetzke
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Patent number: 9404484Abstract: A diaphragm pump having an improved wobble plate and cam/bearing assembly for increased pump life and improved inlet and outlet valve design for increased effective sealing area. A cam/bearing assembly includes a cam injection molded directly into an inner race of a bearing to prevent the cam from pulling away from the bearing. The wobble plate is injection molded directly onto an outer race of the bearing to prevent the wobble plate from pulling away from the cam and bearing. Inlet and outlet check valves include rounded peripheral relief zones that form a band, as opposed to a line, of effective sealing area when in the sealed position within a valve seat that eliminate or reduce sealing inconsistencies and increase sealing efficiencies.Type: GrantFiled: June 7, 2012Date of Patent: August 2, 2016Assignee: Northern Tool & Equipment Company, Inc.Inventors: Matthew Robert Pilcher, Nicholas Allen Rancourt, Jim Hu
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Publication number: 20150042116Abstract: An implement attachment includes a back plate member and a fixed arms member. The fixed arms member, the fixed arms member is fixedly coupled to the back plate member. A shiftable arm member is fixedly coupled to the back plate member and is shiftable relative to the fixed arms member to define a variable gap therebetween. A method of forming the implement attachment is further included.Type: ApplicationFiled: July 10, 2014Publication date: February 12, 2015Applicant: NORTHERN TOOL AND EQUIPMENT COMPANY, INC.Inventor: Scott Jacobson
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Publication number: 20150014611Abstract: A timberjack including a handle, and a jacking stand coupled to the handle, the jacking stand comprising a first portion and a second portion, wherein the first portion is arranged to engage the ground, and wherein the second portion is coupled to the first portion and extends downwardly from the handle to elevate a portion of the handle from the ground.Type: ApplicationFiled: July 10, 2014Publication date: January 15, 2015Applicant: NORTHERN TOOL AND EQUIPMENT COMPANY, INC.Inventor: Robert Redetzke
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Patent number: 8893855Abstract: A bearing-protection device for protecting and lubricating bearings. The bearing-protection device provides positive indication of lubrication levels provided to the bearings and includes a protector housing defining a lubrication chamber with an outer wall, a proximal end and a distal end. The device also includes a piston assembly movable within the lubrication chamber, the piston assembly biased in a direction generally toward the proximal end of the bearing protector housing, and a viewing window defined in the outer wall of the bearing protector housing. Indicia associated with the piston is viewable through the viewing window to indicate a level of lubricant within the chamber.Type: GrantFiled: April 18, 2011Date of Patent: November 25, 2014Assignee: Northern Tool & Equipment Company, Inc.Inventors: Bryson Sharp, John David Schuetz, Brent Starnes
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Patent number: 7814945Abstract: A log splitter comprises a support structure having a first end, a second end, and an open center portion defined therebetweeen, a splitting device slidably coupled to the support structure, and a drive mechanism for driving movement of the splitting device through a splitting zone. The splitting device comprises an elongate beam having an outer surface, a first end, a second end, and an open center portion between the first end and the second end, and a splitting wedge coupled to the outer surface of the elongate beam and having at least one splitting surface formed thereon. The elongate beam is disposed within the open center portion of the support structure. The drive mechanism is disposed within the open center portion of the elongate beam, and is coupled on a first end to the first end of the support structure and on a second end to the second end of the elongate beam.Type: GrantFiled: March 13, 2008Date of Patent: October 19, 2010Assignee: Northern Tool & Equipment Company, Inc.Inventor: Stephen Emerson Babcock
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Publication number: 20090229709Abstract: A log splitter comprises a support structure having a first end, a second end, and an open center portion defined therebetweeen, a splitting device slidably coupled to the support structure, and a drive mechanism for driving movement of the splitting device through a splitting zone. The splitting device comprises an elongate beam having an outer surface, a first end, a second end, and an open center portion between the first end and the second end, and a splitting wedge coupled to the outer surface of the elongate beam and having at least one splitting surface formed thereon. The elongate beam is disposed within the open center portion of the support structure. The drive mechanism is disposed within the open center portion of the elongate beam, and is coupled on a first end to the first end of the support structure and on a second end to the second end of the elongate beam.Type: ApplicationFiled: March 13, 2008Publication date: September 17, 2009Applicant: Northern Tool & Equipment Company, Inc.Inventor: Stephen Emerson Babcock
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Patent number: 7255143Abstract: A uniquely configured quad wedge allows for the creation of a tip-up log splitter that is capable of multiple splits in a single stroke of the drive mechanism. The quad wedge is attached to the piston of a hydraulic cylinder, and is slidably mounted to a framework to allow for movement through a splitting zone. The quad wedge further includes a main splitting blade, along with a pair of splitting wings extending outwardly in a perpendicular manner. The blades each have structures on the ends thereof which are configured to help contain a log during splitting operations, thus avoiding undesired movement or wandering. The log splitter further includes a stripper mechanism positioned near the cylinder housing to allow jammed logs to be easily removed, which includes a recess to house the quad wedge when retracted. A jammed log will necessarily contact the stripper mechanism, causing it to be removed from the blade.Type: GrantFiled: July 21, 2006Date of Patent: August 14, 2007Assignee: Northern Tool & Equipment Company, Inc.Inventors: Stephen E. Babcock, Timothy C. Rancourt
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Patent number: 5979788Abstract: The present disclosure relates to a valve assembly suitable for use on a pressure washer pump. The valve assembly includes an unloader valve having an inlet port sized and configured to be connected directly to the pressure washer pump. The unloader valve also includes an outlet port sized and configured to be placed in fluid communication with a release mechanism. The unloader valve further includes a bypass port sized and configured to be placed in fluid communication with the pressure washer pump. Finally, the valve assembly also includes a thermal relief valve connected directly to the unloader valve at a location generally opposite from the bypass port.Type: GrantFiled: November 21, 1996Date of Patent: November 9, 1999Assignee: Northern Tool & Equipment Company, Inc.Inventors: Timothy Curtis Rancourt, Stephen Emerson Babcock
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Patent number: D543606Type: GrantFiled: November 7, 2005Date of Patent: May 29, 2007Assignee: Northern Tool & Equipment Company, Inc.Inventors: Matthew Pilcher, Greg Reeves, Tim Rancourt
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Patent number: D552133Type: GrantFiled: July 21, 2006Date of Patent: October 2, 2007Assignee: Northern Tool & Equipment Company, Inc.Inventors: Stephen E. Babcock, Timothy C. Rancourt
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Patent number: D566733Type: GrantFiled: July 21, 2006Date of Patent: April 15, 2008Assignee: Northern Tool & Equipment Company, Inc.Inventor: Stephen E. Babcock
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Patent number: D618707Type: GrantFiled: August 4, 2009Date of Patent: June 29, 2010Assignee: Northern Tool & Equipment Company, Inc.Inventors: John David Schuetz, Matthew Robert Pilcher
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Patent number: D629028Type: GrantFiled: April 21, 2010Date of Patent: December 14, 2010Assignee: Northern Tool & Equipment Company, Inc.Inventor: Travis Johnson
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Patent number: D709932Type: GrantFiled: February 5, 2014Date of Patent: July 29, 2014Assignee: Northern Tool & Equipment Company, Inc.Inventors: John David Schuetz, Joseph Robert DeGezelle
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Patent number: RE46248Type: GrantFiled: July 18, 2012Date of Patent: December 27, 2016Assignee: Northern Tool & Equipment Company, Inc.Inventors: Travis Johnson, David Anderson
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Patent number: RE46313Type: GrantFiled: May 28, 2014Date of Patent: February 21, 2017Assignee: Northern Tool & Equipment Company, Inc.Inventors: Travis Johnson, David Anderson