Patents by Inventor Lachezar Tsvetanov
Lachezar Tsvetanov 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: 10299582Abstract: In the specification and drawings an accessory cart is described and shown with a base, a housing element that is connected to the base and extends upward from the base, and a platform, which is connected to the housing element with the height of the platform being automatically adjustable.Type: GrantFiled: November 28, 2018Date of Patent: May 28, 2019Assignee: Humanscale CorporationInventors: Jane Abernethy, Robert Volek, Mesve Vardar, Lachezar Tsvetanov, Robert R. King, David Johnston, Alexandra Burn, Xin Wang, Jonathan Philip Puleio
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Publication number: 20190090631Abstract: In the specification and drawings an accessory cart is described and shown with a base, a housing element that is connected to the base and extends upward from the base, and a platform, which is connected to the housing element with the height of the platform being automatically adjustable.Type: ApplicationFiled: November 28, 2018Publication date: March 28, 2019Applicant: Humanscale CorporationInventors: Jane Abernethy, Robert Volek, Mesve Vardar, Lachezar Tsvetanov, Robert R. King, David Johnston, Alexandra Burn, Xin Wang, Jonathan Philip Puleio
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Patent number: 10159337Abstract: In the specification and drawings an accessory cart is described and shown with a base, a housing element that is connected to the base and extends upward from the base, and a platform, which is connected to the housing element with the height of the platform being automatically adjustable.Type: GrantFiled: September 15, 2017Date of Patent: December 25, 2018Assignee: Humanscale CorporationInventors: Jane Abernethy, Robert Volek, Mesve Vardar, Lachezar Tsvetanov, Robert R. King, David Johnston, Alexandra Burn, Xin Wang, Jonathan Philip Puleio
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Publication number: 20180020826Abstract: In the specification and drawings an accessory cart is described and shown with a base, a housing element that is connected to the base and extends upward from the base, and a platform, which is connected to the housing element with the height of the platform being automatically adjustable.Type: ApplicationFiled: September 15, 2017Publication date: January 25, 2018Inventors: Jane Abernethy, Robert Volek, Mesve Vardar, Lachezar Tsvetanov, Robert R. King, David Johnston, Alexandra Burn, Xin Wang, Jonathan Philip Puleio
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Patent number: 9775431Abstract: In the specification and drawings an accessory cart is described and shown with a base, a housing element that is connected to the base and extends upward from the base, and a platform, which is connected to the housing element with the height of the platform being automatically adjustable.Type: GrantFiled: May 18, 2015Date of Patent: October 3, 2017Assignee: Humanscale CorporationInventors: Jane Abernethy, Robert Volek, Mesve Vardar, Lachezar Tsvetanov, Robert King, David Johnston, Alexandra Burn, Xin Wang, Jonathan Philip Puleio
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Publication number: 20150245708Abstract: In the specification and drawings an accessory cart is described and shown with a base, a housing element that is connected to the base and extends upward from the base, and a platform, which is connected to the housing element with the height of the platform being automatically adjustable.Type: ApplicationFiled: May 18, 2015Publication date: September 3, 2015Inventors: Jane Abernethy, Robert Volek, Mesve Vardar, Lachezar Tsvetanov, Robert King, David Johnston, Alexandra Burn, Xin Wang, Jonathan Philip Puleio
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Patent number: 9039016Abstract: In the specification and drawings an accessory cart is described and shown with a base, a housing element that is connected to the base and extends upward from the base, and a platform, which is connected to the housing element with the height of the platform being automatically adjustable.Type: GrantFiled: February 8, 2013Date of Patent: May 26, 2015Assignee: Humanscale CorporationInventors: Jane Abernethy, Robert Volek, Mesve Vardar, Lachezar Tsvetanov, Robert R. King, David Johnston, Alexandra Burn, Xin Wang, Jonathan Philip Puleio
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Patent number: 8141836Abstract: An adjustable system for mounting a computer component to a surface, including an adjustable horizontal assembly with swiveling mounting structure and an adjustable vertical assembly featuring two sliding extrusions and a stopper wedge engaged with a long screw for efficient mounting of computer components within workplaces.Type: GrantFiled: March 23, 2007Date of Patent: March 27, 2012Assignee: Humanscale CorporationInventors: Manuel Saez, Stefan Spoerl, Kim ten Hacken, Lachezar Tsvetanov
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Publication number: 20110221253Abstract: A reclinable chair is disclosed having right and left side connectors for pivotally connecting a backrest to a base assembly. The connectors bias the backrest into the upright position when unoccupied. In certain embodiments, the connectors can comprise elastic members, ball joints, or a plurality of elastic springs.Type: ApplicationFiled: May 24, 2011Publication date: September 15, 2011Inventors: Manuel Saez, Lachezar Tsvetanov
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Patent number: 7971935Abstract: An ergonomic chair having a seat with selectively located slot patterns or spring mechanisms to reduce pressure on the occupant of the seat and a flexible back that allows the occupant to recline while at the same time providing lumbar support. An embodiment of the chair may be telescopically stacked in a space-saving configuration of a plurality of identical chairs.Type: GrantFiled: March 24, 2006Date of Patent: July 5, 2011Assignee: Humanscale CorporationInventors: Manuel Saez, Lachezar Tsvetanov
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Publication number: 20110149510Abstract: An adjustable laptop holder having an adjustable tray so as to allow a user to adjust the height of a laptop screen. The adjustable laptop can comprise a base, a shaft, a tray, a friction pack, and a clutch bearing. The friction pack attaches the shaft to the base. The clutch bearing has an inner race coupled to the shaft and an outer race which engages the tray. The adjustable laptop holder having features of the present invention allows a user to freely rotate the tray into the open position yet resists returning to the closed position, effectively locking the laptop holder in the desired position.Type: ApplicationFiled: December 23, 2009Publication date: June 23, 2011Applicant: HUMANSCALE CORPORATIONInventors: Fabian A. Monsalve, Jane Abernethy, Jordi Borras, Manuel Saez, Lachezar Tsvetanov
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Patent number: 7922132Abstract: The present invention is directed to an accessory holder capable of supporting a plurality of accessories and positioning those accessories in three-dimensions. A preferred embodiment supports the accessories in a curvilinear shape that optimizes the viewing position by the user. The accessories include flat panel displays, touch screens, telephones, and other devices used in an office or home office environment.Type: GrantFiled: January 24, 2007Date of Patent: April 12, 2011Assignee: Humanscale CorporationInventors: Manuel Saez, Bradley Augustine, Aaron Tsui, Lachezar Tsvetanov
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Patent number: 7768500Abstract: An input device for a computer is described that positions the user's hand in a more ergonomically desirable position, i.e., at an angle of about 45° to the work surface. In preferred embodiments, the input device accommodates either a user's left or right hand, and in either case, positions the hand in an ergonomically desirable position. In another embodiment, the length of the input device of the present invention is adjusted for the size of the user's hand. In further embodiments, the input device of the present invention provides a palm rest. Other desirable features included in preferred embodiments include lateral buttons that are positioned one above the other.Type: GrantFiled: June 14, 2004Date of Patent: August 3, 2010Assignee: Humanscale CorporationInventors: Manuel Saez, Lachezar Tsvetanov, Maximo Diaz Heer, Jonathan Puleio
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Patent number: 7717515Abstract: A chair having an automatically adjusting resistance to tilt. The chair includes a back support, a frame, a base and a back pivot member, which is pivotally mounted to the frame, and a seat, which is also pivotally mounted to the frame, such that an occupant of the chair adjusts resistance to tilt or reclining of the chair by applying a rearward force to the back support.Type: GrantFiled: April 24, 2007Date of Patent: May 18, 2010Assignee: Humanscale CorporationInventors: Manuel Saez, Lachezar Tsvetanov
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Publication number: 20090213068Abstract: An input device for a computer is described that positions the user's hand in a more ergonomically desirable position, i.e., at an angle of about 45° to the work surface. In preferred embodiments, the input device accommodates either a user's left or right hand, and in either case, positions the hand in an ergonomically desirable position. In another embodiment, the length of the input device of the present invention is adjusted for the size of the user's hand. In further embodiments, the input device of the present invention provides a palm rest. Other desirable features included in preferred embodiments include lateral buttons that are positioned one above the other.Type: ApplicationFiled: February 23, 2009Publication date: August 27, 2009Applicant: HUMANSCALE CORPORATIONInventors: Manuel Saez, Lachezar Tsvetanov, Maximo Diaz Heer, Jonathan Puleio
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Patent number: 7487940Abstract: Disclosed is a stand for a laptop computer or other data display device, wherein the display portion, or monitor, projects upwardly from the data display container. The user can adjust the position of the portable data display container so as to position the top edge of the monitor at the same height as the user's eyes. This position permits the user to maintain better posture when using the data display device. Additionally, the stand of the present invention may provide a rack for restraining cables attached to the data display device. The stand may also have a swivel so that the monitor can be viewed from whatever angle is convenient for the user. Desirably, the stand also includes a document holder and provides an anchor for a security cable.Type: GrantFiled: June 14, 2004Date of Patent: February 10, 2009Assignee: Humanscale CorporationInventors: Manuel Saez, Lachezar Tsvetanov, Maximo Diaz Heer
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Publication number: 20080234856Abstract: An adjustable system for mounting a computer component to a surface, including an adjustable horizontal assembly with swiveling mounting structure and an adjustable vertical assembly featuring two sliding extrusions and a stopper wedge engaged with a long screw for efficient mounting of computer components within workplaces.Type: ApplicationFiled: March 23, 2007Publication date: September 25, 2008Inventors: Manuel Saez, Stefan Spoerl, Kim ten Hacken, Lachezar Tsvetanov
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Publication number: 20080173774Abstract: The present invention is directed to an accessory holder capable of supporting a plurality of accessories and positioning those accessories in three-dimensions. A preferred embodiment supports the accessories in a curvilinear shape that optimizes the viewing position by the user. The accessories include flat panel displays, touch screens, telephones, and other devices used in an office or home office environment.Type: ApplicationFiled: January 24, 2007Publication date: July 24, 2008Inventors: Manuel Saez, Bradley Augustine, Aaron Tsui, Lachezar Tsvetanov
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Patent number: D690000Type: GrantFiled: August 23, 2012Date of Patent: September 17, 2013Assignee: Humanscale CorporationInventors: Stefan Spoerl, Lachezar Tsvetanov
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Patent number: D696765Type: GrantFiled: May 29, 2013Date of Patent: December 31, 2013Assignee: Humanscale CorporationInventors: Stefan Spoerl, Lachezar Tsvetanov