Patents by Inventor Fredrik Andersson
Fredrik Andersson 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: 20250065706Abstract: The present disclosure relates to an internal combustion engine arrangement comprising an internal combustion engine comprising a reciprocating piston connected to a crankshaft arranged in a crankcase, and a combustion chamber, wherein the crankcase and the combustion chamber are arranged on a respective side, in a reciprocating direction, of the reciprocating piston, a combustion chamber pressure controller arranged in fluid communication with the combustion chamber and configured to control a pressure level in the combustion chamber, and a control unit comprising processing circuitry configured to determine a pressure level in the combustion chamber, determine a pressure level in the crankcase, and control the combustion chamber pressure controller in response to a difference between the pressure level in the combustion chamber and the pressure level in the crankcase being below a predetermined threshold limit.Type: ApplicationFiled: August 12, 2024Publication date: February 27, 2025Inventors: Oscar Garnemark, Fredrik Rahm, Lennart Andersson, Marcus Rubensson
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Patent number: 12168169Abstract: An ice skate for skating on ice, which ice skate comprises; an upper chassis section comprising a first contact surface having a front end and a rear end, a lower chassis section comprising a second contact surface having a front end and a rear end, and a coupling arrangement comprising a spring back means, which coupling arrangement is arranged to mechanically connect the upper and lower chassis sections. The coupling arrangement is arranged to allow the upper chassis section to pivot relative to the lower chassis section by rolling contact motion between the first and second contact surface such that a momentary contact region (CR) of the first and second contact surfaces moves back and forth between the front and rear ends of the first and second contact surfaces. The spring back means is arranged to urge the momentary contact region (CR) to a neutral position.Type: GrantFiled: October 4, 2021Date of Patent: December 17, 2024Assignee: FLOW MOTION TECHNOLOGY ABInventors: Fredrik Andersson, Per Mårs
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Publication number: 20230364491Abstract: An ice skate for skating on ice, which ice skate comprises; an upper chassis section comprising a first contact surface having a front end and a rear end, a lower chassis section comprising a second contact surface having a front end and a rear end, and a coupling arrangement comprising a spring back means, which coupling arrangement is arranged to mechanically connect the upper and lower chassis sections. The coupling arrangement is arranged to allow the upper chassis section to pivot relative to the lower chassis section by rolling contact motion between the first and second contact surface such that a momentary contact region (CR) of the first and second contact surfaces moves back and forth between the front and rear ends of the first and second contact surfaces. The spring back means is arranged to urge the momentary contact region (CR) to a neutral position.Type: ApplicationFiled: October 4, 2021Publication date: November 16, 2023Applicant: FLOW MOTION TECHNOLOGY ABInventors: Fredrik ANDERSSON, Per MÅRS
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Publication number: 20230364492Abstract: An ice skate for skating on ice, which comprises; an upper chassis section comprising a first contact surface having a front end and a rear end, a lower chassis section comprising a second contact surface having a front end and a rear end, and a coupling arrangement comprising a spring back means, which coupling arrangement is arranged to mechanically connect the upper and lower chassis sections.Type: ApplicationFiled: October 4, 2021Publication date: November 16, 2023Applicant: FLOW MOTION TECHNOLOGY ABInventors: Fredrik ANDERSSON, Per MÅRS
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Publication number: 20230166118Abstract: A mobile case for an AED includes a device for regulating the temperature in order to keep the AED within its operational temperature range of 0 to 45° C. for at least 48 hours. The case may also include sensors controlling temperature, global position and the technical status of the AED as well as a communication device which allows for reporting the data of the AED and its position to a control center.Type: ApplicationFiled: April 26, 2021Publication date: June 1, 2023Applicant: TRISULT HOLDING B.V.Inventors: Ruben HALMANS, Fredrik ANDERSSON
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Patent number: 11661797Abstract: A mining or construction vehicle comprising an extendable boom comprised of a first and a second telescopic section extending in a longitudinal direction, wherein the first telescopic section is arranged to be connected to the mining or construction vehicle and a hydraulic device is arranged to be connected to a mounting device at a free end of the second telescopic section, wherein a hydraulic cylinder is arranged in connection to the extendable boom to govern extension of said extendable boom. Hydraulic conduit for supply of hydraulic fluid to the hydraulic device on the mounting device are arranged through the length of the extendable boom.Type: GrantFiled: June 11, 2018Date of Patent: May 30, 2023Assignee: EPIROC ROCK DRILLS AKTIEBOLAGInventors: Oskar Sjöholm, Patrik Roth, Fredrik A. Andersson, Per-Anders Kumlin
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Patent number: 11628533Abstract: The present disclosure provides a floor grinding machine (1) for grinding floor surfaces of stone or stone-like material. The machine comprises a machine frame (2), a grinding head (3), supported by the machine frame (2), a motor (4), supported by the machine frame (2) and operatively connected to the grinding head (3), and a handle frame (5), extending from the machine frame (2), and pivotable relative to the machine frame (2). The machine further comprises a guide member (12), which is pivotable relative to the machine frame (2) and pivotable relative to the handle frame (5), a first locking device (14), for locking the guide member (12) relative to the handle frame (5), and a second locking device (13), for locking the guide member (12) relative to the machine frame (2). The disclosure further provides a handle for a floor grinding machine as well as methods of setting a position of a handle and methods of steering a floor grinding machine.Type: GrantFiled: June 1, 2017Date of Patent: April 18, 2023Assignee: HUSQVARNA ABInventors: Fredrik Andersson, David Käcker, Andreas Fogelberg
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Patent number: 11585154Abstract: A mining or construction vehicle comprising a boom extending in a first direction, which boom, via a first and a second rotation device, is connected to a hydraulic device arranged on a mounting device arranged at a free end of said boom, the first rotation device being arranged to provide a rotation around a first axis that is substantially parallel to the first direction, and a second rotation device being arranged to provide a rotation around a second axis that is arranged at an angle with respect to the first axis. Hydraulic conduits for supply of hydraulic fluid to said hydraulic device on said mounting device are arranged through at least one of the first and second rotation devices.Type: GrantFiled: June 11, 2018Date of Patent: February 21, 2023Assignee: EPIROC ROCK DRILLS AKTIEBOLAGInventors: Oskar Sjöholm, Fredrik A. Andersson, Per-Anders Kumlin, Marcus Almqvist
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Publication number: 20220330710Abstract: An upholstered comfort member, comprising a resilient comfort material and a cover fabric. The resilient comfort material comprises lignocellulosic fibres, which provides resilient properties to the resilient comfort material, and a binder at a concentration of between 1 and 30 wt %. The binder binds the lignocellulosic fibres together. The invention further relates to a method for manufacturing of such an upholstered comfort member.Type: ApplicationFiled: September 24, 2020Publication date: October 20, 2022Inventor: Fredrik Andersson
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Patent number: 11346969Abstract: A simultaneous sources seismic acquisition method is described that introduces notch diversity to improve separating the unknown contributions of one or more sources from a commonly acquired set of wavefield signals while still allowing for optimal reconstruction properties in certain diamond-shaped regions. In particular, notch diversity is obtained by heteroscale encoding.Type: GrantFiled: September 27, 2019Date of Patent: May 31, 2022Assignee: APPARITION GEOSERVICES GMBHInventors: Fredrik Andersson, Dirk-Jan Van Manen, Kurt Eggenberger, Johan Robertsson
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Patent number: 11280925Abstract: A method for separating the unknown contributions of two or more sources from a commonly acquired set of wavefield signals representing a wavefield where the contributions from different sources are both encoded by means of the principles of signal apparition and as well as by means of different source encoding techniques.Type: GrantFiled: May 9, 2019Date of Patent: March 22, 2022Assignee: APPARITION GEOSERVICES GMBHInventors: Johan Robertsson, Kurt Eggenberger, Dirk-Jan Van Manen, Fredrik Andersson
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Patent number: 11243319Abstract: Methods for separating the unknown contributions of two or more sources from a commonly acquired set of wavefield signals based on varying parameters at the firing time, location and/or depth of the individual sources in a lateral 2D plane.Type: GrantFiled: September 3, 2020Date of Patent: February 8, 2022Assignee: Apparition Geoservices GmbHInventors: Fredrik Andersson, Johan Robertsson
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Patent number: 11029432Abstract: Methods are described for separating the unknown contributions of two or more sources from a commonly acquired aliased wave field signals including the determination of models with reduced support in the frequency-wavenumber domain which reconstruct the wave fields of independently-activated sources after a coordinate-transform of the acquired wave field data and/or in a coordinate-transformed domain.Type: GrantFiled: August 31, 2018Date of Patent: June 8, 2021Assignee: SEISMIC APPARITION GmbHInventors: Dirk-Jan Van Manen, Fredrik Andersson, Johan Robertsson, Kurt Eggenberger
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Patent number: 11002870Abstract: A method is described for removing the surface ghost from and/or separating wave field data and/or for estimating redatuming operators of the wave field data by effective use of a transform that that relies on the non-uniform distribution of distances with respect to a reference surface or of tuned-source radiation directions of sources and or the non-uniform distribution of receivers with respect to a reference surface to partition or map the wave field from at least two different cones in the transformed domain and using the contribution of sources and or receivers inside at least one of the at least two different cones to estimate a first wave field of interest, a second separated or ghost wave field and/or redatuming operator.Type: GrantFiled: August 31, 2018Date of Patent: May 11, 2021Assignee: SEISMIC APPARITION GmbHInventors: Johan Robertsson, Dirk-Jan Van Manen, Fredrik Andersson, Kurt Eggenberger
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Publication number: 20210025237Abstract: A mining or construction vehicle comprising a boom extending in a first direction, which boom, via a first and a second rotation device, is connected to a hydraulic device arranged on a mounting device arranged at a free end of said boom, the first rotation device being arranged to provide a rotation around a first axis that is substantially parallel to the first direction, and a second rotation device being arranged to provide a rotation around a second axis that is arranged at an angle with respect to the first axis. Hydraulic conduits for supply of hydraulic fluid to said hydraulic device on said mounting device are arranged through at least one of the first and second rotation devices.Type: ApplicationFiled: June 11, 2018Publication date: January 28, 2021Applicant: EPIROC ROCK DRILLS AKTIEBOLAGInventors: Oskar SJÖHOLM, Fredrik A. ANDERSSON, Per-Anders KUMLIN, Marcus ALMQVIST
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Publication number: 20200400846Abstract: Methods for separating the unknown contributions of two or more sources from a commonly acquired set of wavefield signals based on varying parameters at the firing time, location and/or depth of the individual sources in a lateral 2D plane.Type: ApplicationFiled: September 3, 2020Publication date: December 24, 2020Applicant: Apparition Geoservices GmbHInventors: Fredrik ANDERSSON, Johan Robertsson
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Patent number: 10865822Abstract: A bent corner furniture connecting piece (18) comprises a central bent corner section (89) having a first connecting arrangement (93), and a second connecting arrangement (97). The connecting piece (18) comprises a wooden frame (36) comprising a first and a second curved end section piece (26, 28). First and second connecting pieces (30, 32) connect the first and second curved end section pieces (26, 28). The first connecting piece (30) is provided with the first connecting arrangement (93) for connection to a first furniture piece, and the second connecting piece (32) is provided with the second connecting arrangement (97) for connection to a second furniture piece. A bent outer surface layer (64) is arranged on a convex part (74) of said frame (36), and a bent inner surface layer (66) is arranged on a concave part (82) of said frame (36).Type: GrantFiled: November 11, 2015Date of Patent: December 15, 2020Assignee: IKEA Supply AGInventors: Fredrik Andersson, Lars Paul Andersson
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Patent number: 10816688Abstract: The present invention relates to a method of processing seismic data. The method may include calculating a number of calculated structure tensors for each of a number of seismic data lines, the seismic data lines being spatially distributed about an area of the surface of the Earth. The method also may include interpolating the calculated structure tensors to find interpolated structure tensors in a region of the area between the lines of the seismic data lines, and calculating calculated seismic data from the interpolated structure tensors.Type: GrantFiled: August 15, 2014Date of Patent: October 27, 2020Assignee: EQUINOR ENERGY ASInventors: Adriana Citlali Ramírez-Pérez, Torgeir Wiik, Fredrik Andersson
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Patent number: D899591Type: GrantFiled: April 12, 2018Date of Patent: October 20, 2020Assignee: DENTSPLY IH ABInventors: Pär Bergström, Erik Andréen, Fredrik Andersson, Marie-Josée Michon-Gente
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Patent number: D999313Type: GrantFiled: October 7, 2021Date of Patent: September 19, 2023Assignee: Flow Motion Technology ABInventors: Per Mars, Fredrik Andersson