Patents by Inventor Leroy B. Stumpe
Leroy B. Stumpe 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: 10676294Abstract: A modular storage bin sweep system utilizing paddles to sweep particulate matter across a floor may comprise a sweep assembly including at least two units connectable together. The assembly may comprise a plurality of interconnected paddles, a power unit configured to the paddles, a drive unit configured to move the sweep assembly with respect to a surface of the bin below the sweep assembly. In some embodiments, a traction enhancement structure may increase traction of the drive unit on the floor. In some embodiments, a pivot unit is configured to permit a degree of pivotability of the axes of the units with respect to each other, and may be combined with a drive unit. In some embodiments, the power unit includes a rotary electrical power transfer structure configured to transfer electrical power to the power unit when rotating in the bin.Type: GrantFiled: February 23, 2017Date of Patent: June 9, 2020Assignee: Sioux Steel CompanyInventors: Joe Harrenstein, Brian Schuelke, Leroy B. Stumpe, Eric Schuld
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Patent number: 10220968Abstract: A bag loader apparatus for filling an elongated bag may comprise a base assembly, and a bag interface assembly for removably mounting a bag thereon and forming a tunnel with a rear opening for fluid communication with the bag. A primary auger assembly has an output opening in communication with the tunnel of the bag interface assembly. In some embodiments, a bag mounting assembly may be configured to lift a bag onto the bag loader apparatus into a position for loading the bag by the apparatus. In some embodiments, a plurality of bag securing elements on the bag interface assembly may be configured to secure a portion of the bag to the bag interface assembly. In some embodiments, an auxiliary auger assembly carried on the base assembly may be configured to feed material into the primary auger assembly.Type: GrantFiled: August 21, 2015Date of Patent: March 5, 2019Assignee: Sioux Steel CompanyInventors: Leroy B. Stumpe, Scott L. Schmidt
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Patent number: 9815639Abstract: A modular storage bin sweep system utilizing paddles to sweep particulate matter across a floor may comprise a sweep assembly including at least two units connectable together. The assembly may comprise a plurality of interconnected paddles, a power unit configured to the paddles, a drive unit configured to move the sweep assembly with respect to a surface of the bin below the sweep assembly. In some embodiments, a traction enhancement structure may increase traction of the drive unit on the floor. In some embodiments, a pivot unit is configured to permit a degree of pivotability of the axes of the units with respect to each other, and may be combined with a drive unit. In some embodiments, the power unit includes a rotary electrical power transfer structure configured to transfer electrical power to the power unit when rotating in the bin.Type: GrantFiled: March 2, 2015Date of Patent: November 14, 2017Assignee: Sioux Steel CompanyInventors: Brian Schuelke, Leroy B. Stumpe, Eric Schuld
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Publication number: 20170158443Abstract: A modular storage bin sweep system utilizing paddles to sweep particulate matter across a floor may comprise a sweep assembly including at least two units connectable together. The assembly may comprise a plurality of interconnected paddles, a power unit configured to the paddles, a drive unit configured to move the sweep assembly with respect to a surface of the bin below the sweep assembly. In some embodiments, a traction enhancement structure may increase traction of the drive unit on the floor. In some embodiments, a pivot unit is configured to permit a degree of pivotability of the axes of the units with respect to each other, and may be combined with a drive unit. In some embodiments, the power unit includes a rotary electrical power transfer structure configured to transfer electrical power to the power unit when rotating in the bin.Type: ApplicationFiled: February 23, 2017Publication date: June 8, 2017Inventors: JOE HARRENSTEIN, BRIAN SCHUELKE, LEROY B. STUMPE, ERIC SCHULD
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Patent number: 9290335Abstract: A sweep system for moving particulate matter in a bin having a bin floor may comprise a sweep apparatus having at least two branches. Each of the branches may include a sweep assembly having an inboard end for locating toward a central area of the bin and an outboard end for locating toward a peripheral area of the bin, and each of the sweep assemblies may include a particulate sweep structure configured to move the particulate matter toward the inboard end. The sweep assemblies of the branches may be connected together at the inboard ends thereof.Type: GrantFiled: December 16, 2013Date of Patent: March 22, 2016Assignee: Sioux Steel CompanyInventors: William A. Witt, Leroy B. Stumpe
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Publication number: 20160039545Abstract: A bag loader apparatus for filling an elongated bag may comprise a base assembly, and a bag interface assembly for removably mounting a bag thereon and forming a tunnel with a rear opening for fluid communication with the bag. A primary auger assembly has an output opening in communication with the tunnel of the bag interface assembly. In some embodiments, a bag mounting assembly may be configured to lift a bag onto the bag loader apparatus into a position for loading the bag by the apparatus. In some embodiments, a plurality of bag securing elements on the bag interface assembly may be configured to secure a portion of the bag to the bag interface assembly. In some embodiments, an auxiliary auger assembly carried on the base assembly may be configured to feed material into the primary auger assembly.Type: ApplicationFiled: August 21, 2015Publication date: February 11, 2016Inventors: LEROY B. STUMPE, SCOTT L. SCHMIDT
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Patent number: 9137950Abstract: A bag loader apparatus for filling an elongated bag may comprise a base assembly, and a bag interface assembly for removably mounting a bag thereon and forming a tunnel with a rear opening for fluid communication with the bag. A primary auger assembly has an output opening in communication with the tunnel of the bag interface assembly. In some embodiments, a bag mounting assembly may be configured to lift a bag onto the bag loader apparatus into a position for loading the bag by the apparatus. In some embodiments, a plurality of bag securing elements on the bag interface assembly may be configured to secure a portion of the bag to the bag interface assembly. In some embodiments, an auxiliary auger assembly carried on the base assembly may be configured to feed material into the primary auger assembly.Type: GrantFiled: August 6, 2010Date of Patent: September 22, 2015Assignee: Sioux Steel CompanyInventors: Leroy B. Stumpe, Scott L. Schmidt
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Patent number: 9074334Abstract: A post driving and removal system comprising a base frame for mounting on a mobile base, a gripping apparatus mounted on the base frame and configured to selectively grip a post, and a driver apparatus mounted on the base frame and configured to impact a post held by the gripping apparatus.Type: GrantFiled: March 8, 2011Date of Patent: July 7, 2015Assignee: Sioux Steel CompanyInventors: Matt Palmlund, Leroy B. Stumpe
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Publication number: 20150175366Abstract: A modular storage bin sweep system utilizing paddles to sweep particulate matter across a floor may comprise a sweep assembly including at least two units connectable together. The assembly may comprise a plurality of interconnected paddles, a power unit configured to the paddles, a drive unit configured to move the sweep assembly with respect to a surface of the bin below the sweep assembly. In some embodiments, a traction enhancement structure may increase traction of the drive unit on the floor. In some embodiments, a pivot unit is configured to permit a degree of pivotability of the axes of the units with respect to each other, and may be combined with a drive unit. In some embodiments, the power unit includes a rotary electrical power transfer structure configured to transfer electrical power to the power unit when rotating in the bin.Type: ApplicationFiled: March 2, 2015Publication date: June 25, 2015Inventors: BRIAN SCHUELKE, LEROY B. STUMPE, ERIC SCHULD
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Patent number: 9055717Abstract: An attachment is disclosed for vacuuming particulate material from a storage bag having a perimeter wall with an opening. The attachment may comprise a mobile base for moving across a ground surface and having a front and a rear. The attachment may comprise an intake assembly positioned toward a rear of the mobile base and may include a gathering conveyor configured to move material in a laterally inward direction toward a center of the intake assembly. The attachment may comprise a vacuum conduction assembly configured to conduct a vacuum condition from an outlet opening to an inlet opening positioned adjacent to the center of the intake assembly.Type: GrantFiled: September 29, 2011Date of Patent: June 16, 2015Assignee: Sioux Steel CompanyInventors: Leroy B. Stumpe, Scott L. Schmidt
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Patent number: 8967937Abstract: A modular storage bin sweep system utilizing paddles to sweep particulate matter across a floor may comprise a sweep assembly including at least two units connectable together. The assembly may comprise a plurality of interconnected paddles, a power unit configured to the paddles, a drive unit configured to move the sweep assembly with respect to a surface of the bin below the sweep assembly. In some embodiments, a traction enhancement structure may increase traction of the drive unit on the floor. In some embodiments, a pivot unit is configured to permit a degree of pivotability of the axes of the units with respect to each other, and may be combined with a drive unit. In some embodiments, the power unit includes a rotary electrical power transfer structure configured to transfer electrical power to the power unit when rotating in the bin.Type: GrantFiled: September 9, 2011Date of Patent: March 3, 2015Assignee: Sioux Steel CompanyInventors: Brian Schuelke, Leroy B. Stumpe, Eric Schuld
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Publication number: 20130064629Abstract: A modular storage bin sweep system utilizing paddles to sweep particulate matter across a floor may comprise a sweep assembly including at least two units connectable together. The assembly may comprise a plurality of interconnected paddles, a power unit configured to the paddles, a drive unit configured to move the sweep assembly with respect to a surface of the bin below the sweep assembly. In some embodiments, a traction enhancement structure may increase traction of the drive unit on the floor. In some embodiments, a pivot unit is configured to permit a degree of pivotability of the axes of the units with respect to each other, and may be combined with a drive unit. In some embodiments, the power unit includes a rotary electrical power transfer structure configured to transfer electrical power to the power unit when rotating in the bin.Type: ApplicationFiled: September 9, 2011Publication date: March 14, 2013Inventors: BRIAN SCHUELKE, Leroy B. Stumpe, Eric Schuld
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Publication number: 20130031739Abstract: An attachment is disclosed for vacuuming particulate material from a storage bag having a perimeter wall with an opening. The attachment may comprise a mobile base for moving across a ground surface and having a front and a rear. The attachment may comprise an intake assembly positioned toward a rear of the mobile base and may include a gathering conveyor configured to move material in a laterally inward direction toward a center of the intake assembly. The attachment may comprise a vacuum conduction assembly configured to conduct a vacuum condition from an outlet opening to an inlet opening positioned adjacent to the center of the intake assembly.Type: ApplicationFiled: September 29, 2011Publication date: February 7, 2013Inventors: LEROY B. STUMPE, SCOTT L. SCHMIDT
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Publication number: 20110240321Abstract: A post driving and removal system comprising a base frame for mounting on a mobile base, a gripping apparatus mounted on the base frame and configured to selectively grip a post, and a driver apparatus mounted on the base frame and configured to impact a post held by the gripping apparatus.Type: ApplicationFiled: March 8, 2011Publication date: October 6, 2011Inventors: MATT PALMLUND, LEROY B. STUMPE
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Patent number: 5129780Abstract: A method and apparatus for supporting a loader on the ground and lifting parts of the loader above the tractor for disengagement from the tractor wherein the loader includes vertical side columns for detachable attachment to a tractor at their base, parallel side frame members pivotally attached at their rear ends to said column, double acting hydraulic lift cylinders connected to the outer ends of the frame members and to the columns at a location below the frame member attachment so that the frame member will be pivoted up or down with expansion or contraction of the cylinders, loader bucket supports extending downwardly from the forward end of the frame members carrying a loader bucket at their lower ends, and a lift stand carried at the lower end of the supports and stored on the supports during normal operation of the loader but foldable and expansible to a ground engaging position and a frame member support position for supporting the loader so that the rear end of the frame members can be lifted clearType: GrantFiled: July 30, 1990Date of Patent: July 14, 1992Assignee: Du-Al Manufacturing CompanyInventor: Leroy B. Stumpe
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Patent number: 4833797Abstract: A tractor with a trencher and a blade or shovel on the front of the tractor, the trencher connected to the tractor by a three-point hitch, the trencher having a boom pivotal up and down and a pair of laterally spaced swivel wheels beneath the trencher supported on arms pivoted to the frame and extending rearwardly with the pivotal arms connected to the frame at a location forward of the center of gravity of the trencher.Type: GrantFiled: May 6, 1987Date of Patent: May 30, 1989Assignee: Du-al Manufacturing CompanyInventors: Leslie J. Slunecka, Calvin H. Hansen, Leroy B. Stumpe