Patents by Inventor John G. Marx
John G. Marx 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: 11945094Abstract: An interface for a battery pack and an electrical combination. The interface may include a battery-receiving portion configured to receive a battery pack and including a cavity. The cavity is defined by a pair of sidewalls with rails defining a groove between the rails and a lower surface of the cavity. The rails are stepped or angled along a battery insertion axis and are configured to guide the sliding engagement of a battery pack within the battery-receiving portion.Type: GrantFiled: January 19, 2023Date of Patent: April 2, 2024Assignee: Milwaukee Electric Tool CorporationInventors: Kyle J. Radovich, Cameron R. Schulz, Mitchell Carlson, John G. Marx, Paul Rossetto, David M. Schwalbach
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Publication number: 20230344073Abstract: A battery pack including a housing having a first portion and a second portion coupled to the first portion. The first portion has a first wall and an interface extends from the first wall. The interface includes a plurality of terminal apertures that provide access to electrical terminals within the housing. The second portion has a second wall, and the second wall is positioned opposite the first wall. A first plurality of vents extends through the first wall and a second plurality of vents extends through the second wall. A cumulative surface area of the first plurality of vents is different than a cumulative surface area of the second plurality of vents.Type: ApplicationFiled: June 30, 2023Publication date: October 26, 2023Inventors: Wyatt R. Silha, John G. Marx, Zachery Meyer, David M. Schwalbach, Joel D. Snyder, Francis X. Summins, Cameron R. Schulz
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Publication number: 20230282920Abstract: A battery pack is configured to be coupled to an electrical device. The battery pack includes a plurality of battery cells, a battery cell carrier to support the battery cells, a housing having an upper housing portion. The battery cell carrier having a plurality of connector screw bosses. The upper housing portion having an outer screw boss on each lateral side and a respective inner screw boss formed on an inner surface of the upper housing portion. The upper housing portion is connected to the battery cell carrier with a plurality of threaded fasteners each extending through one of the outer screw bosses, a respective one of the plurality of connector screw bosses, and a respective inner screw boss creating a double shear condition on each side of the respective connector screw boss.Type: ApplicationFiled: March 3, 2023Publication date: September 7, 2023Inventors: Gurusiddeshwar Gudimani, Cameron R. Schulz, John G. Marx, Wyatt R. Silha, Jeffrey M. Wackwitz
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Publication number: 20230261271Abstract: A charger includes a housing with an interface positioned in a front wall and configured to engage a battery pack. The interface includes charging terminals positioned between a first rail and a second rail, a first groove positioned between the first rail and a wall of the housing, and a second groove positioned between the second rail and the wall of the housing. The interface is in communication with an interior of the housing. A fan is coupled within the housing adjacent the interface, and an air passage member includes a hollow body that has a first end coupled to the fan and a second end spaced apart from the first end extending through another wall of the housing. The fan is operable to suck an air flow into the housing from outside the housing and guide the air flow through the air passage member to the interface.Type: ApplicationFiled: April 27, 2023Publication date: August 17, 2023Inventors: Wyatt R. Silha, John G. Marx, Cameron R. Schulz, Samuel Sheeks, Joel D. Snyder, Jacob D. Rosenthal
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Patent number: 11715862Abstract: A battery pack including a housing having a first portion and a second portion coupled to the first portion. The first portion has a first wall and an interface extends from the first wall. The interface includes a plurality of terminal apertures that provide access to electrical terminals within the housing. The second portion has a second wall, and the second wall is positioned opposite the first wall. A first plurality of vents extends through the first wall and a second plurality of vents extends through the second wall. A cumulative surface area of the first plurality of vents is different than a cumulative surface area of the second plurality of vents.Type: GrantFiled: July 21, 2022Date of Patent: August 1, 2023Assignee: Milwaukee Electric Tool CorporationInventors: Wyatt R. Silha, John G. Marx, Zachery Meyer, David M. Schwalbach, Joel D. Snyder, Francis X. Summins, Cameron R. Schulz
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Publication number: 20230208077Abstract: A power tool including a housing that has a battery pack receiving portion configured to receive an interface of a battery pack, device contacts extending from the housing and configured to mechanically and electrically engage with the battery pack, and a latching mechanism supported by the housing and including an actuator and a latch member configured to selectively engage the interface of the battery pack. The actuator is pivotable to operatively pivot the latch member.Type: ApplicationFiled: December 21, 2022Publication date: June 29, 2023Inventors: John G. Marx, Kyle J. Radovich, Jeffrey M. Wackwitz, Andrew D. Van Hoorn, Joseph R. Beeson, Troy C. Thorson, Nathan Bandy
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Patent number: 11685037Abstract: An interface for a battery pack and an electrical combination. The interface may include a battery-receiving portion configured to receive a battery pack and including a cavity. The cavity is defined by a pair of sidewalls with rails defining a groove between the rails and a lower surface of the cavity. The rails are stepped or angled along a battery insertion axis and are configured to guide the sliding engagement of a battery pack within the battery-receiving portion.Type: GrantFiled: November 22, 2021Date of Patent: June 27, 2023Assignee: Milwaukee Electric Tool CorporationInventors: Kyle J. Radovich, Cameron R. Schulz, Mitchell Carlson, John G. Marx, Paul Rossetto, David M. Schwalbach
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Patent number: 11670808Abstract: A charger includes a housing with an interface positioned in a front wall and configured to engage a battery pack. The interface includes charging terminals positioned between a first rail and a second rail, a first groove positioned between the first rail and a wall of the housing, and a second groove positioned between the second rail and the wall of the housing. The interface is in communication with an interior of the housing. A fan is coupled within the housing adjacent the interface, and an air passage member includes a hollow body that has a first end coupled to the fan and a second end spaced apart from the first end extending through another wall of the housing. The fan is operable to suck an air flow into the housing from outside the housing and guide the air flow through the air passage member to the interface.Type: GrantFiled: December 3, 2020Date of Patent: June 6, 2023Assignee: Milwaukee Electric Tool CorporationInventors: Wyatt R. Silha, John G. Marx, Cameron R. Schulz, Samuel Sheeks, Joel D. Snyder, Jacob D. Rosenthal
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Publication number: 20230150106Abstract: An interface for a battery pack and an electrical combination. The interface may include a battery-receiving portion configured to receive a battery pack and including a cavity. The cavity is defined by a pair of sidewalls with rails defining a groove between the rails and a lower surface of the cavity. The rails are stepped or angled along a battery insertion axis and are configured to guide the sliding engagement of a battery pack within the battery-receiving portion.Type: ApplicationFiled: January 19, 2023Publication date: May 18, 2023Inventors: Kyle J. Radovich, Cameron R. Schulz, Mitchell Carlson, John G. Marx, Paul Rossetto, David M. Schwalbach
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Publication number: 20230026217Abstract: A battery pack including a housing having a first portion and a second portion coupled to the first portion. The first portion has a first wall and an interface extends from the first wall. The interface includes a plurality of terminal apertures that provide access to electrical terminals within the housing. The second portion has a second wall, and the second wall is positioned opposite the first wall. A first plurality of vents extends through the first wall and a second plurality of vents extends through the second wall. A cumulative surface area of the first plurality of vents is different than a cumulative surface area of the second plurality of vents.Type: ApplicationFiled: July 21, 2022Publication date: January 26, 2023Inventors: Wyatt R. Silha, John G. Marx, Zachery Meyer, David M. Schwalbach, Joel D. Snyder, Francis X. Summins, Cameron R. Schulz
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Patent number: 11539163Abstract: A power tool including a housing that has a battery pack receiving portion configured to receive an interface of a battery pack, device contacts extending from the housing and configured to mechanically and electrically engage with the battery pack, and a latching mechanism supported by the housing and including an actuator and a latch member configured to selectively engage the interface of the battery pack. The actuator is pivotable to operatively pivot the latch member.Type: GrantFiled: March 12, 2020Date of Patent: December 27, 2022Assignee: Milwaukee Electric Tool CorporationInventors: John G. Marx, Kyle J. Radovich, Jeffrey M. Wackwitz, Andrew D. Van Hoorn, Joseph R. Beeson, Troy C. Thorson, Nathan Bandy
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Patent number: 11540429Abstract: A battery charger includes a housing having support structure for simultaneously supporting at least two batteries of different types for charging including a first battery of a first type and a second batter of a second type. The battery charger further includes charger electronics supported by the housing and operable to output charging current to charge the first battery and charging current to charge the second battery. A fan is operable to cause air flow through the housing. A fan speed of the fan is adjustable based on a temperature of the battery charger (i) while at least one of the at least two batteries is coupled to the battery charger for charging and (ii) while no batteries are coupled to the battery charger for charging.Type: GrantFiled: July 29, 2019Date of Patent: December 27, 2022Assignee: Milwaukee Electric Tool CorporationInventors: Wyatt R. Silha, Donald J. Truettner, John G. Marx, Cameron R. Schulz
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Publication number: 20220352590Abstract: A battery pack includes at least one battery cell configured to provide electrical power to a device, a housing configured to receive the at least one battery cell, a latch cantilevered on the housing and configured to couple the battery pack to the device, an actuator configured to move the latch toward a release position in which the latch is configured to release the battery pack from the device, and a latch insert. At least one of the latch or the actuator is at least partially molded over the latch insert.Type: ApplicationFiled: April 29, 2022Publication date: November 3, 2022Inventors: Richard M. SEBZDA, Gurusiddeshwar GUDIMANI, Cameron R. SCHULZ, John G. MARX, Jin Cai LI
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Publication number: 20220344777Abstract: A conductive strap for a battery pack including a pair of contact tabs and a cutout portion. The contact tabs are separated by a separation gap that is defined in the conductive strap. Each contact tab includes at least one contact dimple. The separation gap is continuous with the cutout portion. The cutout portion and the separation gap are enclosed by the conductive strap. The cutout portion includes an arcuate slot that partially surrounds the contact tab.Type: ApplicationFiled: April 22, 2022Publication date: October 27, 2022Inventors: Wyatt R. Silha, Joel D. Snyder, Cameron R. Schulz, Gurusiddeshwar Gudimani, Natalie A. Olsen, John G. Marx, Zachery D. Meyer, Eli M. Zidel
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Publication number: 20220080575Abstract: An interface for a battery pack and an electrical combination. The interface may include a battery-receiving portion configured to receive a battery pack and including a cavity. The cavity is defined by a pair of sidewalls with rails defining a groove between the rails and a lower surface of the cavity. The rails are stepped or angled along a battery insertion axis and are configured to guide the sliding engagement of a battery pack within the battery-receiving portion.Type: ApplicationFiled: November 22, 2021Publication date: March 17, 2022Inventors: Kyle J. Radovich, Cameron R. Schulz, Mitchell Carlson, John G. Marx, Paul Rossetto, David M. Schwalbach
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Publication number: 20220085451Abstract: A battery pack includes a housing, at least one battery cell, and a handle assembly. The battery cell is disposed within the housing. The handle assembly is coupled to the housing. The handle assembly includes a first handle catch, an elongate flexible member, a second handle catch, and a grip layer. The elongate flexible member has a first end and a second end. The elongate flexible member is coupled to the first handle catch. The first handle catch is disposed nearer to the first end than to the second end. The second handle catch is coupled to the elongate flexible member nearer to the second end than to the first end. The grip layer is disposed on at least a portion of each of the first handle catch, the elongate flexible member, and the second handle catch.Type: ApplicationFiled: September 13, 2021Publication date: March 17, 2022Inventors: Wyatt R. Silha, Zachary Meyer, John G. Marx
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Patent number: 11179841Abstract: An interface for a battery pack and an electrical combination. The interface may include a battery-receiving portion configured to receive a battery pack and including a cavity. The cavity is defined by a pair of sidewalls with rails defining a groove between the rails and a lower surface of the cavity. The rails are stepped or angled along a battery insertion axis and are configured to guide the sliding engagement of a battery pack within the battery-receiving portion.Type: GrantFiled: December 18, 2017Date of Patent: November 23, 2021Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: Kyle J. Radovich, Cameron R. Schulz, Mitchell Carlson, John G. Marx, Paul Rossetto, David M. Schwalbach
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Publication number: 20210167430Abstract: A charger includes a housing with an interface positioned in a front wall and configured to engage a battery pack. The interface includes charging terminals positioned between a first rail and a second rail, a first groove positioned between the first rail and a wall of the housing, and a second groove positioned between the second rail and the wall of the housing. The interface is in communication with an interior of the housing. A fan is coupled within the housing adjacent the interface, and an air passage member includes a hollow body that has a first end coupled to the fan and a second end spaced apart from the first end extending through another wall of the housing. The fan is operable to suck an air flow into the housing from outside the housing and guide the air flow through the air passage member to the interface.Type: ApplicationFiled: December 3, 2020Publication date: June 3, 2021Inventors: Wyatt R. Silha, John G. Marx, Cameron R. Schulz, Samuel Sheeks, Joel D. Snyder, Jacob D. Rosenthal
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Publication number: 20200295506Abstract: A power tool including a housing that has a battery pack receiving portion configured to receive an interface of a battery pack, device contacts extending from the housing and configured to mechanically and electrically engage with the battery pack, and a latching mechanism supported by the housing and including an actuator and a latch member configured to selectively engage the interface of the battery pack. The actuator is pivotable to operatively pivot the latch member.Type: ApplicationFiled: March 12, 2020Publication date: September 17, 2020Inventors: John G. Marx, Kyle J. Radovich, Jeffrey M. Wackwitz, Andrew D. Van Hoorn, Joseph R. Beeson, Troy C. Thorson, Nathan Bandy
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Patent number: D960086Type: GrantFiled: April 17, 2020Date of Patent: August 9, 2022Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: David M. Schwalbach, Paul Rossetto, John G. Marx, Cameron R. Schulz, Joel D. Snyder, Wyatt R. Silha, Kyle C. Fassbender, Mark E. Brouwer