Patents by Inventor Paul W. Alexander
Paul W. Alexander 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: 12194910Abstract: Cargo systems are provided for vehicles that include, in one embodiment: a variable cargo surface disposed within a body of the vehicle behind one or more occupant seats, the variable cargo surface including: a low friction surface that facilitates movement of cargo within the cargo system, the low friction surface having a first coefficient of friction; a high friction surface that inhibits movement of cargo within the cargo system, the high friction surface having a second coefficient of friction that is greater than the first coefficient of friction; and a control device that selectively activates the low friction surface and the high friction surface based on conditions for the vehicle; wherein the low friction surface contacts the cargo within the cargo system when the low friction surface is activated; and the high friction surface contacts the cargo within the cargo system when the high friction surface is activated.Type: GrantFiled: February 17, 2021Date of Patent: January 14, 2025Assignee: GM GLOBAL TECHNOLOGY OPERATIONSInventors: Paul W. Alexander, Wonhee M. Kim, Diann Brei, Jonathan E. Luntz, Koray Benli, Laura Alejandra Giner Munoz
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Publication number: 20240383728Abstract: An inflatable lift system for a vehicle includes N bladders arranged vertically in a stack, where N is an integer greater than two. N pressure sensors are configured to sense pressure in the N bladders, respectively. A compressor is configured to supply pressurized gas. N valves are configured to selectively connect and disconnect the N bladders to the compressor. A controller is configured to control the N valves to inflate the N bladders sequentially in a first predetermined order and to deflate the N bladders sequentially in reverse.Type: ApplicationFiled: May 18, 2023Publication date: November 21, 2024Inventors: Victor WONG, Jesus Anthony BERNAL, Juan Orlando ESPANA MEDINA, Paul W. ALEXANDER
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Publication number: 20240383319Abstract: A reconfigurable inflatable pickup truck box cover includes a base frame, a side wall system operatively connected to the base frame, and a top wall operatively connected to the side wall system. At least one of the base frame, the side wall system, and the top wall is inflatable.Type: ApplicationFiled: May 17, 2023Publication date: November 21, 2024Inventors: Christopher Stephen Flemming, Paul W. Alexander
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Patent number: 12115891Abstract: A cushion member having improved variable stiffness for a target is provided. The cushion member comprises a cushion housing having an interior with a variable internal pressure and an exterior surface for receiving the target. The cushion housing is arranged to be deformable and comprises granular particles disposed in the interior of the cushion housing. The cushion housing further comprises hollow particles disposed therein with the granular particles. Each hollow particle is compressible and hollow to define a void therein. The hollow particles have a size, a wall thickness, a material, and a bulk modulus defining infill properties thereof. The hollow particles and the granular particles are arranged to allow the cushion housing to be deformed upon contact with the target. The hollow particles and granular particles define a cushion infill having a variable stiffness based on the infill properties and the variable internal pressure of the interior.Type: GrantFiled: November 23, 2022Date of Patent: October 15, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Nilesh D. Mankame, Wonhee M. Kim, Paul W. Alexander
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Patent number: 12109918Abstract: A vehicle seat and storage system includes a vehicle seat having a seat base and a seat back extending from the seat base. A storage apparatus is connected to the seat back and is movable from a stowed position against the seat back to an extended position away from the seat back. The storage apparatus is configured to position and secure one or more cargo items. A seat motor is operably connected to the seat. The seat motor is configured to move the seat back from a first position extending upward from the seat base to a second position where the seat back is disposed flat against the seat base.Type: GrantFiled: September 28, 2022Date of Patent: October 8, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Patrick Minjeur, David M. Aller, Christopher Stephen Flemming, Lisa M. Simms, John Joseph Katona, Owen Rauch, Siddhant Kansal, Zachariah Smith, Paul W. Alexander
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Patent number: 12104672Abstract: An inflatable structure includes a top end cap, a bottom end cap, a bladder attached to the top and bottom end caps and configured to hold pressurized air therebetween, and a plurality of tethers disposed within the bladder, each tether in the plurality of tethers having a first end coupled to the top end cap and a second end coupled to the bottom end cap, wherein when the bladder is inflated, the bladder expands axially forcing the top end cap and the bottom end cap away from one another, the plurality of tethers adapted to restrict movement of the top end cap and the bottom end cap away from one another and limit axial expansion of the bladder, wherein, at least one of the plurality of tethers is elastic, and the inflatable structure is adapted to provide multiple support profiles that are capable of supporting compressive loading.Type: GrantFiled: May 26, 2022Date of Patent: October 1, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Wonhee Michael Kim, Paul W. Alexander, Diann Brei, Jonathan E. Luntz, Koray Benli
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Publication number: 20240262641Abstract: A deployable ramp is provided for a cargo loading system of a vehicle. The ramp includes one or more rigid element having a surface for supporting a load. The ramp further includes one or more bladders defining a chamber that is fluidly connected to an outlet of a compressor. The chamber is adapted to receive a fluid from the compressor. The bladder is attached to rigid element, and the at bladder is movable to a collapsed state where the chamber has a first volume. The bladder is further movable to an expanded state where the chamber has a second volume and contains a pressurized fluid for supporting the rigid element, in response to the bladder receiving the fluid from the compressor. The second volume is higher than the first volume.Type: ApplicationFiled: February 7, 2023Publication date: August 8, 2024Inventors: Paul W. Alexander, Wonhee Michael Kim, Craig A. Kollar, Joseph M. Polewarczyk, Bhavesh Shah, Rafael Gabriel Casalduc
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Publication number: 20240262274Abstract: A tension-loaded drive mechanism (“mechanism”) is provided for a cargo unloader. The drive mechanism includes a compressor for increasing the pressure of a fluid. The drive mechanism further includes multiple bladders fluidly connected to the compressor to receive the fluid from the compressor and expand in a rearward direction along a longitudinal axis of a cargo bed. The mechanism further includes a strap system having multiple straps attached to each bladder. The strap system further includes multiple spools configured to apply a compression counter force via the straps to the associated bladders, such that the compression counter force increases the pressure of the fluid in the associated bladders to a predetermined drive pressure threshold. The spools are further configured to dispense an associated one of the straps at a predetermined stepped payout rate such that the associated bladders apply a drive force associated with the predetermined drive pressure threshold.Type: ApplicationFiled: February 3, 2023Publication date: August 8, 2024Inventors: Paul W. Alexander, Jesus Anthony Bernal, Eric James Bontrager
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Publication number: 20240227653Abstract: A deployable structure includes a reconfigurable member formed from a plurality of elements defining a first end, a second end that is opposite the first end, a first side extending between the first end and the second end, and a second side, opposite the first side, extending between the first end and the second end. A first inflatable rigidizing member extends along the first side across each of the plurality of elements and a second inflatable rigidizing member extends along the second side across each of the plurality of elements.Type: ApplicationFiled: October 21, 2022Publication date: July 11, 2024Inventors: Patrick Minjeur, Paul W. Alexander, Lisa M. Simms
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Patent number: 12024915Abstract: A lightweight and portable inflatable assembly includes an inflatable structural component and a chemical reaction based inflator device. The inflatable structural component includes a flexible housing defining a cavity. The inflatable structure is uninflated in a first operational mode and filled with an inflation fluid retained for at least 4 hours in a second operational mode. At least one primary and at least one secondary charge unit are in fluid communication with the cavity. The primary charge unit includes a first gas generant material configured to generate a first predetermined volume of inflation medium for filling the cavity, while the secondary charge unit includes a second gas generant material configured to generate a second predetermined volume of inflation medium for filling the cavity in the second operational mode. The second predetermined volume is ?about 40% by volume of the first predetermined volume.Type: GrantFiled: January 25, 2022Date of Patent: July 2, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Nilesh D. Mankame, Paul W. Alexander, Paul E. Krajewski
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Patent number: 12012022Abstract: In an exemplary embodiment, an interior heating system for occupant seats of a vehicle is provided. The interior heating system uses a weft co-knit fabric combined with at least one conductive electrode to heat selective regions of a vehicle seat. The interior heating system includes the weft co-knit fabric that contains a set of weft knit active or plated emitting yarn configured with at least one conductive electrode. The knit active or plated emitting yarn is co-knit with at least one parent yarn for enhanced uniformity of an electrical current applied to at least one conductive electrode from the weft co-knit fabric, and a plurality of conductive electrodes arranged in an interdigitated layout to combine together each conductive electrode with a set of a plurality of conductive co-knit active emitting yarns which attach to each electrode tine of the conductive electrode in a select region.Type: GrantFiled: September 28, 2020Date of Patent: June 18, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Christopher P. Henry, Nancy L. Johnson, Paul W. Alexander, Dorel M. Sala, Anthony L Smith
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Publication number: 20240166107Abstract: A cushion member having improved variable stiffness for a target is provided. The cushion member comprises a cushion housing having an interior with a variable internal pressure and an exterior surface for receiving the target. The cushion housing is arranged to be deformable and comprises granular particles disposed in the interior of the cushion housing. The cushion housing further comprises hollow particles disposed therein with the granular particles. Each hollow particle is compressible and hollow to define a void therein. The hollow particles have a size, a wall thickness, a material, and a bulk modulus defining infill properties thereof. The hollow particles and the granular particles are arranged to allow the cushion housing to be deformed upon contact with the target. The hollow particles and granular particles define a cushion infill having a variable stiffness based on the infill properties and the variable internal pressure of the interior.Type: ApplicationFiled: November 23, 2022Publication date: May 23, 2024Inventors: Nilesh D. Mankame, Wonhee M. Kim, Paul W. Alexander
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Patent number: 11975643Abstract: A vehicle seat includes a seat cushion, a seat back pivotally moveable between an upright position and a reclined position, and at least one upper arm support selectively moveable between a stowed position and an extended position, the at least one upper arm support adapted to provide support for an upper arm of an occupant when the seat back of the vehicle seat is in the reclined position and the at least one upper arm support is in the extended position.Type: GrantFiled: April 21, 2022Date of Patent: May 7, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Nilesh D Mankame, Chin-hsu Lin, Paul W Alexander, Wonhee Michael Kim, Manuel Forero Rueda
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Publication number: 20240131976Abstract: A deployable structure includes a reconfigurable member formed from a plurality of elements defining a first end, a second end that is opposite the first end, a first side extending between the first end and the second end, and a second side, opposite the first side, extending between the first end and the second end. A first inflatable rigidizing member extends along the first side across each of the plurality of elements and a second inflatable rigidizing member extends along the second side across each of the plurality of elements.Type: ApplicationFiled: October 20, 2022Publication date: April 25, 2024Inventors: Patrick Minjeur, Paul W. Alexander, Lisa M. Simms
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Patent number: 11951051Abstract: A lifting system includes a top plate, a bottom plate and N pairs of hinged plates. The N pairs of hinged plates are connected by 2N pairs of hinges to N sides of the top plate and the bottom plate, where N is an integer greater than 2. A bladder is arranged between the top plate and the bottom plate and between inner edges of the N pairs of hinged plates.Type: GrantFiled: May 13, 2022Date of Patent: April 9, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Wonhee M. Kim, Paul W. Alexander
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Publication number: 20240109462Abstract: A vehicle seat and storage system includes a vehicle seat having a seat base and a seat back extending from the seat base. A storage apparatus is connected to the seat back and is movable from a stowed position against the seat back to an extended position away from the seat back. The storage apparatus is configured to position and secure one or more cargo items. A seat motor is operably connected to the seat. The seat motor is configured to move the seat back from a first position extending upward from the seat base to a second position where the seat back is disposed flat against the seat base.Type: ApplicationFiled: September 28, 2022Publication date: April 4, 2024Inventors: Patrick Minjeur, David M. Aller, Christopher Stephen Flemming, Lisa M. Simms, John Joseph Katona, Owen Rauch, Siddhant Kansal, Zachariah Smith, Paul W. Alexander
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Patent number: 11912546Abstract: An inflatable structure includes a top end cap, a bottom end cap, a bladder attached to the top and bottom end caps and configured to hold pressurized air, a plurality of tethers disposed within the bladder, the inflatable structure moveable between a stowed profile and a final support profile, wherein the bladder is pressurized and expanded axially and the plurality of tethers are fully extended and restrict further movement of the top end cap and the bottom end cap away from one another and limit axial expansion of the bladder, a pulley assembly mounted within the bottom end cap, wherein in the stowed support profile, the plurality of tethers are wound onto the pulley assembly, the pulley assembly adapted to allow selective extension of the tethers allowing axial expansion of the bladder, wherein, the inflatable structure is adapted to provide multiple intermediary support profiles capable of supporting compressive loading.Type: GrantFiled: May 26, 2022Date of Patent: February 27, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Wonhee Michael Kim, Paul W. Alexander, Yun Ju Kim, Diann Brei, Koray Benli, Jonathan E. Luntz, Laura Alejandra Giner Munoz
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Publication number: 20230383811Abstract: An inflatable structure includes a top end cap, a bottom end cap, a bladder attached to the top and bottom end caps and configured to hold pressurized air therebetween, and a plurality of tethers disposed within the bladder, each tether in the plurality of tethers having a first end coupled to the top end cap and a second end coupled to the bottom end cap, wherein when the bladder is inflated, the bladder expands axially forcing the top end cap and the bottom end cap away from one another, the plurality of tethers adapted to restrict movement of the top end cap and the bottom end cap away from one another and limit axial expansion of the bladder, wherein, at least one of the plurality of tethers is elastic, and the inflatable structure is adapted to provide multiple support profiles that are capable of supporting compressive loading.Type: ApplicationFiled: May 26, 2022Publication date: November 30, 2023Inventors: Wonhee Michael Kim, Paul W. Alexander, Diann Brei, Jonathan E. Luntz, Koray Benli
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Publication number: 20230382697Abstract: An inflatable structure includes a top end cap, a bottom end cap, a bladder attached to the top and bottom end caps and configured to hold pressurized air, a plurality of tethers disposed within the bladder, the inflatable structure moveable between a stowed profile and a final support profile, wherein the bladder is pressurized and expanded axially and the plurality of tethers are fully extended and restrict further movement of the top end cap and the bottom end cap away from one another and limit axial expansion of the bladder, a pulley assembly mounted within the bottom end cap, wherein in the stowed support profile, the plurality of tethers are wound onto the pulley assembly, the pulley assembly adapted to allow selective extension of the tethers allowing axial expansion of the bladder, wherein, the inflatable structure is adapted to provide multiple intermediary support profiles capable of supporting compressive loading.Type: ApplicationFiled: May 26, 2022Publication date: November 30, 2023Inventors: Wonhee Michael Kim, Paul W. Alexander, Yun Ju Kim, Diann Brei, Koray Benli, Jonathan E. Luntz, Laura Alejandra Giner Munoz
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Publication number: 20230363961Abstract: A lifting system includes a top plate, a bottom plate and N pairs of hinged plates. The N pairs of hinged plates are connected by 2N pairs of hinges to N sides of the top plate and the bottom plate, where N is an integer greater than 2. A bladder is arranged between the top plate and the bottom plate and between inner edges of the N pairs of hinged plates.Type: ApplicationFiled: May 13, 2022Publication date: November 16, 2023Inventors: Wonhee M. KIM, Paul W. ALEXANDER