Patents by Inventor Alexander Krull
Alexander Krull 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: 11993756Abstract: The present invention relates to a low-temperature additive for fuel oils having a sulfur content of less than 50 ppm, comprising i) at least one oil-soluble amide-ammonium salt of a polycarboxylic acid with a mono- and/or dialkylamine (A) and ii) 5-100% by weight, based on the amount of amide-ammonium salt (A), of an oil-soluble amine (B), and iii) 0.1 to 10 parts by weight, based on the amount of amide-ammonium salt (A), of a resin formed from at least one aromatic compound bearing an alkyl radical and an aldehyde and/or ketone (D).Type: GrantFiled: January 15, 2021Date of Patent: May 28, 2024Assignee: Clariant International LtdInventors: Matthias Krull, Kerstin Müller, Simone Hackländer, Oliver Hubert, Sergey Burmistrov, Lydmila Abramova, Alexander Utkin
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Publication number: 20240138927Abstract: A registration fixture for use with a surgical navigation system for registration of medical images to a three-dimensional tracking space includes a base frame adapted to be mounted over a flat panel detector of an x-ray medical imaging device, and a side frame having optical tracking markers mounted to the base frame. The base frame includes a first set of radiopaque markers embedded therein in a first predetermined pattern and arranged on a plane, and a second set of radiopaque markers embedded therein in a second predetermined pattern also arranged on another plane, which is spaced from the first set of radiopaque markers. The side frame has a plurality of optical tracking markers and is configured to detachably mount to the base frame.Type: ApplicationFiled: January 10, 2024Publication date: May 2, 2024Inventors: Alexander Krull, Thomas Calloway, Rand Kmiec, Neil Crawford, Norbert Johnson, Gary Pinard
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Publication number: 20240074819Abstract: A registration fixture for use with a surgical navigation system for registration of a medical image or images to a three-dimensional tracking space that includes a first ring having at least one tracking marker, a second ring coupled to the first ring having at least one tracking marker and wherein the first ring and the second ring are spaced apart from one another and further include optical markers.Type: ApplicationFiled: October 31, 2023Publication date: March 7, 2024Inventors: Neil R. Crawford, Norbert Johnson, Wes Weber, Alexander Krull
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Patent number: 11918304Abstract: A registration fixture for use with a surgical navigation system for registration of medical images to a three-dimensional tracking space includes a base frame adapted to be mounted over a flat panel detector of an x-ray medical imaging device, and a side frame having optical tracking markers mounted to the base frame. The base frame includes a first set of radiopaque markers embedded therein in a first predetermined pattern and arranged on a plane, and a second set of radiopaque markers embedded therein in a second predetermined pattern also arranged on another plane, which is spaced from the first set of radiopaque markers. The side frame has a plurality of optical tracking markers and is configured to detachably mount to the base frame without piercing a sterilizing drape to be interposed between the base frame and the side frame.Type: GrantFiled: December 20, 2021Date of Patent: March 5, 2024Assignee: Globus Medical, IncInventors: Alexander Krull, Thomas Calloway, Rand Kmiec, Neil Crawford, Norbert Johnson, Gary Pinard
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Patent number: 11911115Abstract: A registration fixture for use with a surgical navigation system for registration of medical images to a three-dimensional tracking space includes a base frame adapted to be mounted over a flat panel detector of an x-ray medical imaging device, and a side frame having optical tracking markers mounted to the base frame. The base frame includes a first set of radiopaque markers embedded therein in a first predetermined pattern and arranged on a plane, and a second set of radiopaque markers embedded therein in a second predetermined pattern also arranged on another plane, which is spaced from the first set of radiopaque markers. The side frame has a plurality of optical tracking markers and is configured to detachably mount to the base frame without piercing a sterilizing drape to be interposed between the base frame and the side frame.Type: GrantFiled: December 20, 2021Date of Patent: February 27, 2024Assignee: Globus Medical Inc.Inventors: Alexander Krull, Thomas Calloway, Rand Kmiec, Neil Crawford, Norbert Johnson, Gary Pinard
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Patent number: 11801097Abstract: A registration fixture for use with a surgical navigation system for registration of a medical image or images to a three-dimensional tracking space that includes a first ring having at least one tracking marker, a second ring coupled to the first ring having at least one tracking marker and wherein the first ring and the second ring are spaced apart from one another and further include optical markers.Type: GrantFiled: August 12, 2020Date of Patent: October 31, 2023Assignee: GLOBUS MEDICAL, INC.Inventors: Neil R. Crawford, Norbert Johnson, Wes Weber, Alexander Krull
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Publication number: 20230190220Abstract: A registration fixture for use with a surgical navigation system for registration of medical images to a three-dimensional tracking space includes a base frame adapted to be mounted over a flat panel detector of an x-ray medical imaging device, and a side frame having optical tracking markers mounted to the base frame. The base frame includes a first set of radiopaque markers embedded therein in a first predetermined pattern and arranged on a plane, and a second set of radiopaque markers embedded therein in a second predetermined pattern also arranged on another plane, which is spaced from the first set of radiopaque markers. The side frame has a plurality of optical tracking markers and is configured to detachably mount to the base frame without piercing a sterilizing drape to be interposed between the base frame and the side frame.Type: ApplicationFiled: December 20, 2021Publication date: June 22, 2023Inventors: Alexander Krull, Thomas Calloway, Rand Kmiec, Neil Crawford, Norbert Johnson, Gary Pinard
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Publication number: 20230190383Abstract: A registration fixture for use with a surgical navigation system for registration of medical images to a three-dimensional tracking space includes a base frame adapted to be mounted over a flat panel detector of an x-ray medical imaging device, and a side frame having optical tracking markers mounted to the base frame. The base frame includes a first set of radiopaque markers embedded therein in a first predetermined pattern and arranged on a plane, and a second set of radiopaque markers embedded therein in a second predetermined pattern also arranged on another plane, which is spaced from the first set of radiopaque markers. The side frame has a plurality of optical tracking markers and is configured to detachably mount to the base frame without piercing a sterilizing drape to be interposed between the base frame and the side frame.Type: ApplicationFiled: December 20, 2021Publication date: June 22, 2023Inventors: Alexander Krull, Thomas Calloway, Rand Kmiec, Neil Crawford, Norbert Johnson, Gary Pinard
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Publication number: 20210022809Abstract: A registration fixture for use with a surgical navigation system for registration of a medical image or images to a three-dimensional tracking space that includes a first ring having at least one tracking marker, a second ring coupled to the first ring having at least one tracking marker and wherein the first ring and the second ring are spaced apart from one another and further include optical markers.Type: ApplicationFiled: August 12, 2020Publication date: January 28, 2021Inventors: Neil R. Crawford, Norbert Johnson, Wes Weber, Alexander Krull
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Patent number: 10799298Abstract: A registration fixture for use with a surgical navigation system for registration of a medical image or images to a three-dimensional tracking space that includes a first ring having at least one tracking marker, a second ring coupled to the first ring having at least one tracking marker and wherein the first ring and the second ring are spaced apart from one another and further include optical markers.Type: GrantFiled: September 16, 2016Date of Patent: October 13, 2020Assignee: Globus Medical Inc.Inventors: Neil Crawford, Norbert Johnson, Wes Weber, Alexander Krull
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Publication number: 20170007334Abstract: A registration fixture for use with a surgical navigation system for registration of a medical image or images to a three-dimensional tracking space that includes a first ring having at least one tracking marker, a second ring coupled to the first ring having at least one tracking marker and wherein the first ring and the second ring are spaced apart from one another and further include optical markers.Type: ApplicationFiled: September 16, 2016Publication date: January 12, 2017Inventors: Neil Crawford, Norbert Johnson, Wes Weber, Alexander Krull