Patents by Inventor Lars Ivarsson
Lars Ivarsson 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: 11788574Abstract: An anti-theft locking bolt assembly is disclosed. The assembly comprises an anti-theft bolt threadedly attachable to an article to be protected, a bolt cap snugly fitting into a bore on the head of the anti-theft bolt, a lock cylinder housing rotatably connected to the head of the anti-theft bolt via one or more ball bearings, the lock cylinder housing configured to cover the bolt cap and a locking cylinder and to provide means to prevent removal of the bolt cap. The anti-theft locking bolt assembly is suitable to lock a vehicle wheel and also to replace a spark plug of an combust engine to prevent unauthorized use of the vehicle.Type: GrantFiled: August 13, 2021Date of Patent: October 17, 2023Assignee: Rimgard Sweden ABInventors: Lars Ivarsson, Marcus Ekström
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Patent number: 11788479Abstract: Disclosed is an internal combustion engine including: an actuator for axial displacement of at least one gas exchange valve of the internal combustion engine, wherein the actuator includes: an actuator piston disc, a cylinder volume adapted for the actuator piston disc, wherein the actuator piston disc is movably arranged in an axial direction between a rest position and an active position, wherein the position sensor arrangement is configured for determining the position of the at least one gas exchange valve, the at least one gas exchange valve being displaced by the movement of the actuator piston disc, and a local control unit associated with the actuator, wherein the local control unit is operatively connected to the at least one controllable inlet valve and the controllable outlet valve of the actuator and operatively connected to the position sensor arrangement.Type: GrantFiled: March 1, 2021Date of Patent: October 17, 2023Assignee: FREEVALVE ABInventors: Lars Ivarsson, Eric Griess
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Publication number: 20230103945Abstract: Disclosed is an internal combustion engine including: an actuator for axial displacement of at least one gas exchange valve of the internal combustion engine, wherein the actuator includes: an actuator piston disc, a cylinder volume adapted for the actuator piston disc, wherein the actuator piston disc is movably arranged in an axial direction between a rest position and an active position, wherein the position sensor arrangement is configured for determining the position of the at least one gas exchange valve, the at least one gas exchange valve being displaced by the movement of the actuator piston disc, and a local control unit associated with the actuator, wherein the local control unit is operatively connected to the at least one controllable inlet valve and the controllable outlet valve of the actuator and operatively connected to the position sensor arrangement.Type: ApplicationFiled: March 1, 2021Publication date: April 6, 2023Inventors: Lars IVARSSON, Eric GRIESS
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Publication number: 20230047865Abstract: An anti-theft locking bolt assembly is disclosed. The assembly comprises an anti-theft bolt threadedly attachable to an article to be protected, a bolt cap snugly fitting into a bore on the head of the anti-theft bolt, a lock cylinder housing rotatably connected to the head of the anti-theft bolt via one or more ball bearings, the lock cylinder housing configured to cover the bolt cap and a locking cylinder and to provide means to prevent removal of the bolt cap. The anti-theft locking bolt assembly is suitable to lock a vehicle wheel and also to replace a spark plug of an combust engine to prevent unauthorized use of the vehicle.Type: ApplicationFiled: August 13, 2021Publication date: February 16, 2023Inventors: Lars IVARSSON, Marcus EKSTRÖM
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Patent number: 11541686Abstract: A device for locking the wheel of a vehicle. The device comprises a main module adapted to be attached to the wheel and configured to cover nuts or bolts for attaching the wheel to the vehicle. The device further comprises an insert structure comprising an upper part and a lower part wherein the upper part is rotatably joined to the lower part by an axial joint. The insert structure is further transferable from an open position to a closed position upon rotation of said upper part around said axial joint wherein the insert structure in said open position is adapted for insertion in the wheel concentrically to the axis of rotation of the wheel and wherein the insert structure in said closed position is adapted for fixating the insert structure in said wheel upon transfer to the closed position after insertion in the wheel.Type: GrantFiled: December 3, 2019Date of Patent: January 3, 2023Assignee: Rimgard Sweden ABInventors: Lars Ivarsson, Marcus Ekström
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Patent number: 11524522Abstract: A device for locking the wheel of a vehicle. The device comprises a main module adapted to be attached to the wheel and configured to cover nuts or bolts for attaching the wheel to the vehicle. The device further comprises an insert structure comprising a first part and a second part wherein the first part engages the second part and wherein the insert structure is transferable from a first position to a second position upon compression of a spring. Moreover, the insert structure in said second position is adapted for insertion in the wheel concentrically to the axis of rotation of the wheel and the insert structure in said first position is adapted for fixating the insert structure in said wheel upon transfer to the first position after insertion in the wheel.Type: GrantFiled: December 3, 2019Date of Patent: December 13, 2022Assignee: Rimgard Sweden ABInventors: Lars Ivarsson, Marcus Ekström
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Patent number: 11440344Abstract: A locking device for locking a wheel of a vehicle is provided, where the device comprising a main module adapted to be attached to a rim of the wheel and configured to cover nuts or bolts that attach the wheel to the vehicle, a tubular center bolt having a threated outer surface and configured to adapt a lock cylinder, the tubular center bolt being further adapted to be connected to the main module via an insert sleeve; and at least one threaded element permanently assembled within a center bore or behind the rim; wherein the tubular center bolt is configured to be threadedly attached to the at least one threaded element to attach the locking device onto the wheel, and wherein the lock cylinder is configured to be arranged in a locking state within the center bolt in which the center bolt is prevented from rotating relative to the main module and the at least one threaded element, and in an open state in which the lock cylinder allows the center bolt to rotate relative to the main module and the at least oneType: GrantFiled: June 14, 2021Date of Patent: September 13, 2022Assignee: RIMGARD SWEDEN ABInventors: Lars Ivarsson, Marcus Ekström
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Publication number: 20220144012Abstract: A locking device for locking a wheel of a vehicle is provided, where the device comprising a main module adapted to be attached to a rim of the wheel and configured to cover nuts or bolts that attach the wheel to the vehicle, a tubular center bolt having a threated outer surface and configured to adapt a lock cylinder, the tubular center bolt being further adapted to be connected to the main module via an insert sleeve; and at least one threaded element permanently assembled within a center bore or behind the rim; wherein the tubular center bolt is configured to be threadedly attached to the at least one threaded element to attach the locking device onto the wheel, and wherein the lock cylinder is configured to be arranged in a locking state within the center bolt in which the center bolt is prevented from rotating relative to the main module and the at least one threaded element, and in an open state in which the lock cylinder allows the center bolt to rotate relative to the main module and the at least oneType: ApplicationFiled: June 14, 2021Publication date: May 12, 2022Inventors: Lars IVARSSON, Marcus EKSTRÖM
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Publication number: 20210229489Abstract: “A main module adapted to be attached to a wheel of a vehicle is disclosed, comprising a centre bolt, an expander and a locking mechanism. The main module is configured to be fitted with a blocking means configured to cover nuts or bolts of the wheel. The centre bolt is adapted to be connected to the main module by means of a threading such that the axial position of the centre bolt, as seen along the axis of rotation of the wheel, can be adjusted by rotating the centre bolt relative the main module, and such that the expander expands in a radial direction of the wheel as the axial position of the centre bolt is adjusted. The expander is thereby allowed to engage with the wheel to secure the module to said wheel.Type: ApplicationFiled: March 26, 2019Publication date: July 29, 2021Applicant: Rimgard Sweden ABInventors: Lars IVARSSON, Carl PETTERSSON
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Publication number: 20210162803Abstract: A device for locking the wheel of a vehicle. The device comprises a main module adapted to be attached to the wheel and configured to cover nuts or bolts for attaching the wheel to the vehicle. The device further comprises an insert structure comprising an upper part and a lower part wherein the upper part is rotatably joined to the lower part by an axial joint. The insert structure is further transferable from an open position to a closed position upon rotation of said upper part around said axial joint wherein the insert structure in said open position is adapted for insertion in the wheel concentrically to the axis of rotation of the wheel and wherein the insert structure in said closed position is adapted for fixating the insert structure in said wheel upon transfer to the closed position after insertion in the wheel.Type: ApplicationFiled: December 3, 2019Publication date: June 3, 2021Applicant: Rimgard Sweden AB (publ.)Inventors: Lars IVARSSON, Marcus Ekström
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Publication number: 20210162802Abstract: A device for locking the wheel of a vehicle. The device comprises a main module adapted to be attached to the wheel and configured to cover nuts or bolts for attaching the wheel to the vehicle. The device further comprises an insert structure comprising a first part and a second part wherein the first part engages the second part and wherein the insert structure is transferable from a first position to a second position upon compression of a spring. Moreover, the insert structure in said second position is adapted for insertion in the wheel concentrically to the axis of rotation of the wheel and the insert structure in said first position is adapted for fixating the insert structure in said wheel upon transfer to the first position after insertion in the wheel.Type: ApplicationFiled: December 3, 2019Publication date: June 3, 2021Applicant: Rimgard Sweden AB (publ.)Inventors: Lars IVARSSON, Marcus Ekström
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Publication number: 20190366761Abstract: A device for locking a wheel of a vehicle is disclosed, comprising a main module, a center bolt, an expander and a locking mechanism. The main module comprises a plurality of elements configured to cover nuts or bolts of the wheel. The center bolt is adapted to be connected to the main module by means of a threading such that the axial position of the center bolt, as seen along the axis of rotation of the wheel, can be adjusted by rotating the center bolt relative the main module, and such that the expander expands in a radial direction of the wheel as the axial position of the center bolt is adjusted. The expander is thereby allowed to engage with the wheel to secure the device to said wheel.Type: ApplicationFiled: June 5, 2018Publication date: December 5, 2019Applicant: Rimgard Sweden AB (publ.)Inventors: Lars IVARSSON, Carl PETTERSSON
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Patent number: 10486461Abstract: A device for locking a wheel of a vehicle is disclosed, comprising a main module, a center bolt, an expander and a locking mechanism. The main module comprises a plurality of elements configured to cover nuts or bolts of the wheel. The center bolt is adapted to be connected to the main module by means of a threading such that the axial position of the center bolt, as seen along the axis of rotation of the wheel, can be adjusted by rotating the center bolt relative the main module, and such that the expander expands in a radial direction of the wheel as the axial position of the center bolt is adjusted. The expander is thereby allowed to engage with the wheel to secure the device to said wheel.Type: GrantFiled: June 5, 2018Date of Patent: November 26, 2019Assignee: Rimgard Sweden AB (publ.)Inventors: Lars Ivarsson, Carl Pettersson
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Patent number: 10184361Abstract: A combustion engine includes an engine valve arranged to selectively open/close a combustion chamber of the engine, a cylinder head adjacent the combustion chamber, arranged to guide a valve stem of the engine valve, the engine valve being axially displaceable relative to the cylinder head between the combustion chamber closed position and the combustion chamber fully opened position, and a valve spring retainer connected to the valve stem. The valve spring retainer partly delimits a gas spring volume, which is in fluid communication with an adjacent gas volume via a port when the engine valve is in the combustion chamber closed position, and which is separated from the adjacent gas volume when the engine valve is in the combustion chamber fully open position, the port being open during at least 25% of the maximal stroke of the engine valve and being closed due to a displacement of the engine valve.Type: GrantFiled: April 15, 2015Date of Patent: January 22, 2019Assignee: FREEVALVE ABInventors: Anders Hoglund, Urban Carlson, Christian Koenigsegg, Lars Ivarsson
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Patent number: 10010371Abstract: A sampling system for an individual to self-collect sample form mucous tissue is disclosed here. The collecting device has a flexible shaft having a handle at one end, and a sample collecting element removably connectable with the other end of the shaft and operable to collect a cell sample from mucous tissue of an individual. The collecting element includes an RFID tag for tracking the device and the sample once it is collected onto the collecting element. The system includes a sealable unit to store the sample collecting element having a cell sample thereon.Type: GrantFiled: April 28, 2015Date of Patent: July 3, 2018Assignee: Aprovix ABInventors: Ulf Lundkvist, Berndt Sjoberg, Erik Wilander, Soren Nygren, Lars Ivarsson
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Publication number: 20170260776Abstract: A locking device for car wheels is disclosed to prevent unauthorized removal of the wheels. The device includes a locking unit that allows covering of special bolt heads by covering wings. The locking module can be further covered with a covering plate. The system provides multiple layers of protection to the wheels and considerably lengthens the time required to remove the wheel without proper keys.Type: ApplicationFiled: May 25, 2017Publication date: September 14, 2017Applicant: Rimgard Sweden ABInventor: Lars Ivarsson
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Patent number: 9689180Abstract: A locking device for car wheels is disclosed to prevent unauthorized removal of the wheels. The device includes a locking unit that allows covering of special bolt heads by covering wings. The locking module can be further covered with a covering plate. The system provides multiple layers of protection to the wheels and considerably lengthens the time required to remove the wheel without proper keys.Type: GrantFiled: October 25, 2016Date of Patent: June 27, 2017Assignee: Rimgard Sweden ABInventor: Lars Ivarsson
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Publication number: 20170130489Abstract: A locking device for car wheels is disclosed to prevent unauthorized removal of the wheels. The device includes a locking unit that allows covering of special bolt heads by covering wings. The locking module can be further covered with a covering plate. The system provides multiple layers of protection to the wheels and considerably lengthens the time required to remove the wheel without proper keys.Type: ApplicationFiled: October 25, 2016Publication date: May 11, 2017Applicant: Rimgard Sweden ABInventor: Lars Ivarsson
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Publication number: 20170037750Abstract: A combustion engine includes an engine valve arranged to selectively open/close a combustion chamber of the engine, a cylinder head adjacent the combustion chamber, arranged to guide a valve stem of the engine valve, the engine valve being axially displaceable relative to the cylinder head between the combustion chamber closed position and the combustion chamber fully opened position, and a valve spring retainer connected to the valve stem. The valve spring retainer partly delimits a gas spring volume, which is in fluid communication with an adjacent gas volume via a port when the engine valve is in the combustion chamber closed position, and which is separated from the adjacent gas volume when the engine valve is in the combustion chamber fully open position, the port being open during at least 25% of the maximal stroke of the engine valve and being closed due to a displacement of the engine valve.Type: ApplicationFiled: April 15, 2015Publication date: February 9, 2017Inventors: Anders HOGLUND, Urban CARLSON, Christian KOENIGSEGG, Lars IVARSSON
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Publication number: 20150230872Abstract: A sampling system for an individual to self-collect sample form mucous tissue is disclosed here. The collecting device has a flexible shaft having a handle at one end, and a sample collecting element removably connectable with the other end of the shaft and operable to collect a cell sample from mucous tissue of an individual. The collecting element includes an RFID tag for tracking the device and the sample once it is collected onto the collecting element. The system includes a sealable unit to store the sample collecting element having a cell sample thereon.Type: ApplicationFiled: April 28, 2015Publication date: August 20, 2015Inventors: Ulf Lundkvist, Berndt Sjoberg, Erik Wilander, Soren Nygren, Lars Ivarsson