Patents by Inventor Fredrik Sjodahl
Fredrik Sjodahl 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: 11788252Abstract: The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement for making a trench in the ground, a consolidation and laying means being arranged behind the blade arrangement, for clearing and safe-guarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. A blade assembly comprising compartments for cooling fluid and air.Type: GrantFiled: March 16, 2022Date of Patent: October 17, 2023Assignee: HUSQVARNA ABInventors: Lars Gustafsson, Rolf Johansson, Fredrik Sjödahl, Tobias Nilsson, Donald F. Meister
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Publication number: 20230278259Abstract: A cutting segment (110) for mounting onto a saw blade to provide an abrasive operation by the saw blade, the cutting segment comprising a body (200) having a cutting surface (210) facing in a cutting direction (C), and side surfaces (220) facing laterally (L) with respect to the cutting direction (C), wherein a plurality of protrusions (230) extend laterally from the sides (220), and wherein the cutting segment (110, 410, 510) constituted by the body (200) and the protrusions (230) is formed by a homogenous mixture of metal powder and diamond granules.Type: ApplicationFiled: August 3, 2021Publication date: September 7, 2023Inventors: Philippe Uytters, Brianna Welch, Fredrik Sjödahl, Salvatore Callari
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Patent number: 11639592Abstract: A spacer structure (204; 205) for a saw disc assembly of a sawing machine (4), comprises a hub device (220) having a central axis and being adapted to be coaxially arranged between a pair of axially peripheral saw discs. According to the invention, said hub device (220) is configured and adapted to detachably or non-detachably receive a proximal portion (231) of an elongated spacer means (230) in a substantially radial manner in relation to said hub device, said elongated spacer means (230) being adapted to be arranged between said pair of saw discs, a distal portion (235) of said elongated spacer means (230) being constituted and adapted to detachably or non-detachably connect to said pair of peripheral saw discs.Type: GrantFiled: March 3, 2016Date of Patent: May 2, 2023Assignee: HUSQVARNA ABInventors: Tobias Nilsson, Fredrik Sjödahl
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Publication number: 20220205216Abstract: The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement for making a trench in the ground, a consolidation and laying means being arranged behind the blade arrangement, for clearing and safe-guarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. A blade assembly comprising compartments for cooling fluid and air.Type: ApplicationFiled: March 16, 2022Publication date: June 30, 2022Inventors: Lars Gustafsson, Rolf Johansson, Fredrik Sjödahl, Tobias Nilsson, Donald F. Meister
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Patent number: 11280060Abstract: The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement for making a trench in the ground, a consolidation and laying means being arranged behind the blade arrangement, for clearing and safe-guarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. A blade assembly comprising compartments for cooling fluid and air.Type: GrantFiled: November 12, 2018Date of Patent: March 22, 2022Assignee: Husqvarna ABInventors: Lars Gustafsson, Rolf Johansson, Fredrik Sjödahl, Tobias Nilsson, Donald F. Meister
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Patent number: 10370820Abstract: The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement for making a trench in the ground, a consolidation and laying means being arranged behind the blade arrangement, for clearing and safe-guarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. A blade assembly comprising compartments for cooling fluid and air.Type: GrantFiled: January 19, 2016Date of Patent: August 6, 2019Assignee: HUSQVARNA ABInventors: Lars Gustafsson, Rolf Johansson, Fredrik Sjödahl, Tobias Nilsson, Donald F. Meister
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Publication number: 20190093314Abstract: A spacer structure (204; 205) for a saw disc assembly of a sawing machine (4), comprises a hub device (220) having a central axis and being adapted to be coaxially arranged between a pair of axially peripheral saw discs. According to the invention, said hub device (220) is configured and adapted to detachably or non-detachably receive a proximal portion (231) of an elongated spacer means (230) in a substantially radial manner in relation to said hub device, said elongated spacer means (230) being adapted to be arranged between said pair of saw discs, a distal portion (235) of said elongated spacer means (230) being constituted and adapted to detachably or non-detachably connect to said pair of peripheral saw discs.Type: ApplicationFiled: March 3, 2016Publication date: March 28, 2019Inventors: Tobias Nilsson, Fredrik Sjödahl
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Publication number: 20190078293Abstract: The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement for making a trench in the ground, a consolidation and laying means being arranged behind the blade arrangement, for clearing and safe-guarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. A blade assembly comprising compartments for cooling fluid and air.Type: ApplicationFiled: November 12, 2018Publication date: March 14, 2019Inventors: Lars Gustafsson, Rolf Johansson, Fredrik Sjödahl, Tobias Nilsson, Donald F. Meister
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Publication number: 20160130781Abstract: The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement for making a trench in the ground, a consolidation and laying means being arranged behind the blade arrangement, for clearing and safe-guarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. A blade assembly comprising compartments for cooling fluid and air.Type: ApplicationFiled: January 19, 2016Publication date: May 12, 2016Inventors: Lars Gustafsson, Rolf Johansson, Fredrik Sjödahl, Tobias Nilsson, Donald F. Meister
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Patent number: 9267620Abstract: The present disclosure presents a laying machine for laying at least one flexible casing or tube, cable, or wire. The laying machine includes a blade arrangement for making a trench in the ground. The laying machine can also include a consolidation and laying means being arranged behind the blade arrangement for clearing and safeguarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. Additionally, a blade assembly including compartments for cooling fluid and air is presented herein.Type: GrantFiled: January 26, 2012Date of Patent: February 23, 2016Assignee: HUSQVARNA ABInventors: Fredrik Sjodahl, Tobias Nilsson, Lars Gustafsson, Rolf Johansson, Donald F. Meister
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Publication number: 20140079487Abstract: The present disclosure presents a laying machine for laying at least one flexible casing or tube, cable, or wire. The laying machine includes a blade arrangement for making a trench in the ground. The laying machine can also include a consolidation and laying means being arranged behind the blade arrangement for clearing and safeguarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. Additionally, a blade assembly including compartments for cooling fluid and air is presented herein.Type: ApplicationFiled: January 26, 2012Publication date: March 20, 2014Applicant: HUSQVARNA ABInventors: Fredrik Sjodahl, Tobias Nilsson, Lars Gustafsson, Rolf Johansson, Donald F. Meister
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Patent number: D995585Type: GrantFiled: February 25, 2021Date of Patent: August 15, 2023Assignee: HUSQVARNA ABInventors: Fredrik Sjödahl, Salvatore Callari, Brianna Welch
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Patent number: D994737Type: GrantFiled: February 24, 2021Date of Patent: August 8, 2023Assignee: HUSQVARNA ABInventors: Fredrik Sjödahl, Salvatore Callari, Brianna Welch
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Patent number: D999265Type: GrantFiled: February 25, 2021Date of Patent: September 19, 2023Assignee: HUSQVARNA ABInventors: Fredrik Sjödahl, Salvatore Callari, Brianna Welch