Patents by Inventor Julian Liu
Julian Liu 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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Publication number: 20160183735Abstract: The present invention relates to a bath seat. The bath seat has a top, a front end, and a back end opposite thereof. The top extends between the front end and the back end of the bath seat. The top includes a centrally disposed channel. The channel includes an enlarged first end, a second end opposite thereof, and a connecting portion connecting the ends of the channel together. The second end of the channel aligns with one of the front end and the back end of the seat. Fluid entering into the channel is directed to the second end of the channel, past said one of the front end and the back end of the seat and thereby drains from the seat.Type: ApplicationFiled: March 7, 2016Publication date: June 30, 2016Inventor: Julian LIU
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Patent number: 9339432Abstract: There is provided a walker apparatus having a pair of spaced-apart, upright frame members. The walker apparatus includes a seat operatively connected to the upright frame members. The walker apparatus has a backrest cantilevered from the frame members. The backrest has at least one opening extending therethrough for permitting a user's vision past the backrest when the user grips the upright frame members.Type: GrantFiled: February 28, 2014Date of Patent: May 17, 2016Assignee: Evolution Technologies Inc.Inventors: Julian Liu, Nicolas Cinguino
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Patent number: 9320672Abstract: There is provided a mounting assembly including a frame portion of a walker apparatus having a first bore and a second bore extending in a direction generally perpendicular to the first bore. The assembly includes a shaft rotatably connected to a wheel fork. The shaft is partially disposed within the first bore. The shaft has a recess for aligning with the second bore. The recess may be annular according to one aspect. The assembly includes a securing member threadably engageable with the second bore. The securing member couples to the frame portion of the walker apparatus. The frame portion may have a closed top according to another aspect within which a first end of the shaft is positioned. The assembly may include a bearing and a female threaded member connected to a second end of the shaft, with the female threaded member situating the bearing in place.Type: GrantFiled: May 14, 2013Date of Patent: April 26, 2016Assignee: EVOLUTION TECHNOLGIES INC.Inventor: Julian Liu
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Patent number: 9307868Abstract: The present invention relates to a bath seat. The bath seat has a top and a pair of centrally disposed and spaced-apart drainage holes in communication with the top. The top of the seat includes a channel extending between the drainage holes. The channel has an enlarged first end, an enlarged second end and a connecting portion connecting the ends of the channel together. Fluid entering into the channel is directed to the drainage holes and thereby drains from the seat.Type: GrantFiled: July 25, 2014Date of Patent: April 12, 2016Assignee: EVOLUTION TECHNOLGIES INC.Inventor: Julian Liu
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Patent number: 9192541Abstract: There is a provided a collapsible walker. The walker includes a pair of spaced-apart, arc-shaped support members. Each support member has a proximal end, a distal end and an apex spaced therebetween. Respective rods extend from the distal ends towards the proximal ends of the support members. A seat extends between and connects to the apexes of the support members. A basket with a pair of spaced-apart ends members operatively connects to and extends between the support members. The end members are positioned adjacent to the distal ends of the support members. Each end member operatively connects to both a respective one of the rods and a respective one of the support members. The walker includes a pair of connection brackets for connecting the end members to the walker. Each connection bracket extends from a respective one of the support members to a respective one of the rods.Type: GrantFiled: April 8, 2013Date of Patent: November 24, 2015Assignee: EVOLUTION TECHNOLOGIES INC.Inventor: Julian Liu
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Patent number: 9180065Abstract: There is provided a brake rod assembly for a walker apparatus. The assembly includes a brake rod operatively connected to a brake for braking the walker apparatus. The assembly includes a connection member operatively connected to a brake handle. The assembly includes a gripping member that is spring-biased to slidably receive the brake rod. The gripping member has an adjustment mechanism rigidly connected thereto that adjustably engages a connection member. Actuation of the connection member tilts the gripping member upwards and engages the brake rod for braking the walker apparatus.Type: GrantFiled: April 15, 2013Date of Patent: November 10, 2015Assignee: Evolution Technologies Inc.Inventor: Julian Liu
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Patent number: 9149160Abstract: The present invention relates to a bath seat. The bath seat has a top and a pair of centrally disposed and spaced-apart drainage holes in communication with the top. The top of the seat includes a channel extending between the drainage holes. The channel has an enlarged first end, an enlarged second end and a connecting portion connecting the ends of the channel together. Fluid entering into the channel is directed to the drainage holes and thereby drains from the seat.Type: GrantFiled: March 17, 2011Date of Patent: October 6, 2015Assignee: EVOLUTION TECHNOLOGIES INC.Inventor: Julian Liu
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Publication number: 20150245973Abstract: There is provided a walker apparatus having a pair of spaced-apart, upright frame members. The walker apparatus includes a seat operatively connected to the upright frame members. The walker apparatus has a backrest cantilevered from the frame members. The backrest has at least one opening extending therethrough for permitting a user's vision past the backrest when the user grips the upright frame members.Type: ApplicationFiled: February 28, 2014Publication date: September 3, 2015Inventors: Julian LIU, Nicolas Cinguino
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Patent number: 9022413Abstract: A foldable walker apparatus includes a pair of spaced-apart inner frame members of two parts each hinged together, with a pair of link members diagonally extending therebetween. Each link has a bend extending upwardly and outwardly. The walker has support members that are arc-shaped with a seat extending between their apexes. A collapsible basket is provided with two end members each having a rigid peripheral portion connecting the frame members and a basket member of flexible fabric extending therebetween. A self-adjusting brake rod is provided with a gripping member spring-biased to remain free of the brake rod until the gripping member is operatively actuated to engage and thereby actuate the brake rod. A brake housing fully extends around a brake pad mechanism, including a means for connecting and adjusting the corresponding brake pad, to at least the outer periphery of one of the wheels for fully protecting the brake pad mechanism.Type: GrantFiled: May 25, 2011Date of Patent: May 5, 2015Assignee: Evolution Technologies Inc.Inventor: Julian Liu
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Publication number: 20150048582Abstract: There is provided a mounting assembly for connecting a wheel fork to a walker apparatus. The assembly comprises a frame portion of the walker apparatus having an upper bore, lower bore, and passageway extending between and positioned radially inwards relative to the bores. The frame portion has a first annular seat located between the upper bore and the passageway. A second annular seat is located between the lower bore and the passageway. The mounting assembly comprises a shaft assembly having a threaded upper end and an annular shoulder positioned below and extending radially outwards relative to the upper end. The annular shoulder is shaped to abut the second annular seat. The shaft assembly includes a lower portion spaced-apart from the upper end and rotatably connecting to the wheel fork. The mounting assembly comprises a connecting member threadably engageable with the upper end and abuttable with the first annular seat.Type: ApplicationFiled: August 26, 2014Publication date: February 19, 2015Inventor: Julian Liu
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Patent number: 8936256Abstract: There is provided a walker apparatus. The walker apparatus has a pair of spaced-apart, arc-shaped support members. The walker apparatus includes a pair of elongate pivot rods operatively connected to respective ones the support members. The walker apparatus includes a laterally-foldable seat. The seat pivotally connects to the support members via the pivot rods. According to one aspect, each support member has an apex. The elongate pivot rods operatively connect to respective ones of the apexes of the support members.Type: GrantFiled: August 8, 2013Date of Patent: January 20, 2015Assignee: Evolution Technologies Inc.Inventor: Julian Liu
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Publication number: 20140339784Abstract: There is provided a mounting assembly including a frame portion of a walker apparatus having a first bore and a second bore extending in a direction generally perpendicular to the first bore. The assembly includes a shaft rotatably connected to a wheel fork. The shaft is partially disposed within the first bore. The shaft has a recess for aligning with the second bore. The recess may be annular according to one aspect. The assembly includes a securing member threadably engageable with the second bore. The securing member couples to the frame portion of the walker apparatus. The frame portion may have a closed top according to another aspect within which a first end of the shaft is positioned. The assembly may include a bearing and a female threaded member connected to a second end of the shaft, with the female threaded member situating the bearing in place.Type: ApplicationFiled: May 14, 2013Publication date: November 20, 2014Inventor: Julian Liu
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Publication number: 20140331401Abstract: The present invention relates to a bath seat. The bath seat has a top and a pair of centrally disposed and spaced-apart drainage holes in communication with the top. The top of the seat includes a channel extending between the drainage holes. The channel has an enlarged first end, an enlarged second end and a connecting portion connecting the ends of the channel together. Fluid entering into the channel is directed to the drainage holes and thereby drains from the seat.Type: ApplicationFiled: July 25, 2014Publication date: November 13, 2014Applicant: Evolution Technologies Inc.Inventor: Julian Liu
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Publication number: 20140333040Abstract: There is provided a collapsible walker having a pair of spaced-apart, operatively interconnected frame members. The walker includes a folding mechanism for selectively bringing together the frame members. The walker includes a collapsible basket. The collapsible basket comprises a pair of substantially planar supports connectable with respective ones of the frame members. The periphery of each of the planar supports has a protruding rim. The collapsible basket also comprises a basket member extending between and being supported by the planar supports.Type: ApplicationFiled: June 9, 2014Publication date: November 13, 2014Applicant: Evolution Technologies, Inc.Inventor: Julian Liu
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Patent number: 8864151Abstract: There is provided a mounting assembly including a frame portion of the walker apparatus having a first bore and a second bore extending in a direction generally perpendicular to the first bore. The mounting assembly includes a shaft assembly rotatably connected to a wheel fork. The shaft assembly also is partially disposed within the first bore. The shaft assembly has a recess configured to align with the second bore. The mounting assembly includes a securing member threadably engageable with and at least partially disposed within the second bore. The securing member couples to the frame portion of the walker apparatus. The securing member has a tapered end that engages with portions of the shaft assembly surrounding the recess and is a set screw according to one aspect. The shaft assembly is a bolt according another aspect.Type: GrantFiled: May 13, 2013Date of Patent: October 21, 2014Assignee: Evolution Technologies Inc.Inventor: Julian Liu
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Publication number: 20140305249Abstract: There is provided a brake rod assembly for a walker apparatus. The assembly includes a brake rod operatively connected to a brake for braking the walker apparatus. The assembly includes a connection member operatively connected to a brake handle. The assembly includes a gripping member that is spring-biased to slidably receive the brake rod. The gripping member has an adjustment mechanism rigidly connected thereto that adjustably engages a connection member. Actuation of the connection member tilts the gripping member upwards and engages the brake rod for braking the walker apparatus.Type: ApplicationFiled: April 15, 2013Publication date: October 16, 2014Inventor: Julian Liu
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Publication number: 20140284891Abstract: The present invention provides a folding mechanism for a walker apparatus. The folding mechanism includes a pair of spaced-apart inner frame members. Each of the inner frame members has a first part and a second part hingedly connected together. The folding mechanism includes a pair of link members diagonally extending between and pivotally connecting to the inner frame members. The link members operatively connect the inner frame members together. According to another aspect, there is provided a walker apparatus having a pair of spaced-apart, foldable inner frame members and a pair of diagonally-extending link members. The link members connect the inner frame members together.Type: ApplicationFiled: June 9, 2014Publication date: September 25, 2014Applicant: EVOLUTION TECHNOLOGIES INC.Inventor: Julian Liu
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Publication number: 20140175841Abstract: There is a provided a collapsible walker. The walker includes a pair of spaced-apart, arc-shaped support members. Each support member has a proximal end, a distal end and an apex spaced therebetween. Respective rods extend from the distal ends towards the proximal ends of the support members. A seat extends between and connects to the apexes of the support members. A basket with a pair of spaced-apart ends members operatively connects to and extends between the support members. The end members are positioned adjacent to the distal ends of the support members. Each end member operatively connects to both a respective one of the rods and a respective one of the support members. The walker includes a pair of connection brackets for connecting the end members to the walker. Each connection bracket extends from a respective one of the support members to a respective one of the rods.Type: ApplicationFiled: April 8, 2013Publication date: June 26, 2014Applicant: EVOLUTION TECHNOLOGIES INC.Inventor: Julian Liu
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Patent number: 8602424Abstract: There is provided, in combination, a collapsible walker and a collapsible basket. The walker includes a pair of spaced-apart, operatively interconnected frame members. The frame members each have an upper end for placing one's hand and a lower end spaced-apart from the upper end. Ground-engaging wheels are rotatably mounted to the lower ends of the frame members. A folding mechanism allows the frame members to be brought together for folding the walker. The collapsible basket includes a pair of spaced-apart, rigid end members, each being connectable with a respective one of said frame members. A flexible basket member extends substantially about, extends between and is supported by the rigid end members. The end members are moveable towards each other and the basket member thereby folds to collapse the basket when folding the walker.Type: GrantFiled: November 2, 2011Date of Patent: December 10, 2013Assignee: Evolution Technologies, Inc.Inventor: Julian Liu
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Publication number: 20130320640Abstract: There is provided a walker apparatus. The walker apparatus has a pair of spaced-apart, arc-shaped support members. The walker apparatus includes a pair of elongate pivot rods operatively connected to respective ones the support members. The walker apparatus includes a laterally-foldable seat. The seat pivotally connects to the support members via the pivot rods. According to one aspect, each support member has an apex. The elongate pivot rods operatively connect to respective ones of the apexes of the support members.Type: ApplicationFiled: August 8, 2013Publication date: December 5, 2013Applicant: Evolution Technologies Inc.Inventor: Julian Liu