Patents by Inventor Leif Christensen

Leif Christensen 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).

  • Publication number: 20230264944
    Abstract: A sensor assembly for horse monitoring is disclosed. The sensor assembly comprises a sensor housing. The sensor housing comprises a plurality of surfaces including a first surface, a second surface, a third surface, and a fourth surface, and one or more protrusions including a first primary protrusion extending from a surface of the plurality of surfaces. The sensor assembly comprises a first optical sensor positioned at a first window of the first surface and configured to be positioned below an ear of a horse. The sensor assembly comprises an attachment element comprising a sensor opening configured for alignment with the first window. The attachment element comprises one or more openings including a first primary opening configured to receive the first primary protrusion. The attachment element is configured to removably attach the sensor assembly to a horse head equipment.
    Type: Application
    Filed: July 15, 2021
    Publication date: August 24, 2023
    Inventors: Tomasz Goldman, Leif CHRISTENSEN
  • Publication number: 20200316655
    Abstract: A liquid heating apparatus includes a top portion with a burner unit, a coil, an external housing, and an internal housing. The burner unit is arranged to burn a fuel so as to generate a downward directed flame. The coil includes first and second layers of windings. The internal housing is arranged within the external housing. The apparatus is in a substantially upright position during operation. A compartment between the internal housing and the external serves as a first liquid reservoir. The flame from the burner unit is peripherally contained by an inner part of the first layer of windings of the coil. The first layer of windings is configured to direct the flame or exhaust gases downwards.
    Type: Application
    Filed: April 1, 2020
    Publication date: October 8, 2020
    Inventors: Erik Kristensen Worm, Mads Glavind, Leif Christensen
  • Publication number: 20160276666
    Abstract: Positive electrode for lithium-ion electrochemical cells are provided that have capacity retentions of greater than about 95% after 50 charge-discharge cycles when comparing the capacity after cycle 52 with the capacity after cycle 2 when cycled between 2.5 V and 4.7 V vs. Li/Li+ at 30° C. Compositions useful in the provided positive electrodes can have the formula, Li1+x(NiaMnbCoc)1?xO2, wherein 0.05?x?0.10, a+b+c=1, 0.6?b/a?1.1, c/(a+b)<0.25, and a, b, and c are all greater than zero. The process of making these positive electrodes includes firing the compositions at 850° C. to 925° C.
    Type: Application
    Filed: June 2, 2016
    Publication date: September 22, 2016
    Inventors: LEIF CHRISTENSEN, JEROME E. SCANLAN, ANTHONY P. LINDERT
  • Patent number: 9391314
    Abstract: A negative active material for rechargeable lithium batteries and a method of manufacturing the negative active material are provided. The negative active material for rechargeable lithium batteries includes at least one generally spherical assembly having flake-shaped materials that are capable of doping and dedoping lithium, and are arranged in a generally spherical shape defining a central pore. The negative active material imparts improved cycle-life characteristics.
    Type: Grant
    Filed: November 28, 2008
    Date of Patent: July 12, 2016
    Assignees: Samsung SDI Co., Ltd., 3M Innovation Properties Company
    Inventors: Sang-Min Lee, Sung-Soo Kim, Goo-Jin Jeong, Nam-Soon Choi, Yong-Mook Kang, Min-Seok Sung, Leif Christensen
  • Patent number: 9385368
    Abstract: Positive electrode for lithium-ion electrochemical cells are provided that have capacity retentions of greater than about 95% after 50 charge-discharge cycles when comparing the capacity after cycle 52 with the capacity after cycle 2 when cycled between 2.5 V and 4.7 V vs. Li/Li+ at 30° C. Compositions useful in the provided positive electrodes can have the formula, Li1+x(NiaMnbCoc)1?x O2, wherein 0.05?x?0.10, a+b+c=1, 0.6?b/a?1.1, c/(a+b)<0.25, and a, b, and c are all greater than zero. The process of making these positive electrodes includes firing the compositions at 850° C. to 925° C.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: July 5, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Leif Christensen, Jerome E. Scanlan, Anthony P. Lindert
  • Patent number: 9012398
    Abstract: This invention provides Exendin-4 compounds derivatized at a lysine 14 residue to give an acylated lysine, pharmaceutical compositions comprising such compounds, and the use of such compositions for treating diabetes.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: April 21, 2015
    Assignee: Novo Nordisk A/S
    Inventors: Jesper Lau, Thomas K. Hansen, Leif Christensen, Kjeld Madsen, Lauge Schaeffer, Jane Spetzler
  • Patent number: 8877373
    Abstract: An embodiment of the present invention provides an electrode for a rechargeable lithium battery, including: a current collector; and an active material layer on the current collector, wherein the active material layer includes an active material adapted to reversibly intercalate and deintercalate lithium ions, a binder, and a pore-forming polymer.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: November 4, 2014
    Assignees: Samsung SDI Co., Ltd., 3M Innovative Properties Company
    Inventors: Sang-Min Lee, Goo-Jin Jeong, Nam-Soon Choi, Min-Seok Sung, Yong-Mook Kang, Sung-Soo Kim, Leif Christensen
  • Publication number: 20140302393
    Abstract: High capacity lithium-ion electrochemical cells are provided that include positive electrode comprising a layered lithium transition metal oxide having a first irreversible capacity and a negative electrode that includes an alloy anode material that also has a first irreversible capacity. The first irreversible capacity of the positive electrode is less than the first irreversible capacity of the negative electrode. The discharge voltage curve of the positive electrode covers at least 10% of its capacity at voltages below 3.5 V ea) vs. Li/Li+. The average discharge voltage of the positive electrode is above 3.75 V vs. Li/Li+ when the cell is discharged from about 4.6 V vs. Li/Li+ to about 2.5 V vs. Li/Li+ at a rate of C/10 or slower and when the electrochemical cell is discharged to a final discharge voltage of about 2.5 V vs. Li/Li+ or greater.
    Type: Application
    Filed: October 25, 2012
    Publication date: October 9, 2014
    Inventors: Leif Christensen, Kevin W. Eberman
  • Publication number: 20140234719
    Abstract: High capacity lithium-ion electrochemical cells and methods of making the same are provided that include a positive electrode that includes a lithium mixed metal oxide having a first irreversible capacity and a negative electrode that includes an alloy anode material having a first irreversible capacity when the anode is delithiated to 0.9 V vs. Li/Li+. The lithium mixed metal oxide includes at least one of nickel, cobalt, and manganese. The alloy anode compound includes at least one of silicon and tin. The first cycle irreversible capacity of the positive electrode is greater than or equal to the first cycle irreversible capacity loss of the negative electrode.
    Type: Application
    Filed: September 13, 2012
    Publication date: August 21, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Leif Christensen
  • Publication number: 20140234717
    Abstract: Positive electrode for lithium-ion electrochemical cells are provided that have capacity retentions of greater than about 95% after 50 charge-discharge cycles when comparing the capacity after cycle 52 with the capacity after cycle 2 when cycled between 2.5 V and 4.7 V vs. Li/Li+ at 30° C. Compositions useful in the provided positive electrodes can have the formula, Li1+x(NiaMnbCoc)1?x O2, wherein 0.05?x?0.10, a+b+c=1, 0.6?b/a?1.1, c/(a+b)<0.25, and a, b, and c are all greater than zero. The process of making these positive electrodes includes firing the compositions at 850° C. to 925° C.
    Type: Application
    Filed: August 21, 2012
    Publication date: August 21, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Leif Christensen, Jerome E. Scanlan, Anthony P. Lindert
  • Publication number: 20130330616
    Abstract: Composite particles include a core comprising a layered lithium metal oxide having an O3 crystal structure. A shell layer having an O3 crystal structure encloses the core. The shell layer includes an oxygen-loss, layered lithium metal oxide. The core comprises from 30 to 85 mole percent of the composite particles. A cathode and a lithium-ion battery including the composite particles, and methods of making the foregoing are also disclosed.
    Type: Application
    Filed: February 3, 2012
    Publication date: December 12, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Leif Christensen
  • Patent number: 8354189
    Abstract: Provided are electrode compositions for lithium-ion electrochemical cells that include novel binders. The novel binders include lithium polysalts of carboxylic and sulfonic acids, lithium salts of copolymers of acids, lithium polysulfonate fluoropolymers, a cured phenolic resin, cured glucose, and combinations thereof.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: January 15, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Phat T. Pham, Dinh B. Le, Mark N. Obrovac, Leif Christensen
  • Publication number: 20120283170
    Abstract: This invention provides new therapeutic peptides, i.e. new protracted Exendin-4 compounds, pharmaceutical compositions and the use of such.
    Type: Application
    Filed: May 1, 2012
    Publication date: November 8, 2012
    Applicant: Novo Nordisk A/S
    Inventors: Jesper Lau, Thomas Kruse Hansen, Leif Christensen, Kjeld Madsen, Lauge Schaeffer, Jane Spetzler
  • Publication number: 20110183209
    Abstract: A lithium-ion electrochemical cell is provided that has high total energy, high energy density and good performance upon repeated charge-discharge cycles. The cell includes a composite positive electrode that comprises a metal oxide electrode material, a composite negative electrode that comprises a alloy anode active material having a first cycle irreversible capacity of 10 percent or higher and an electrolyte. The first cycle irreversible capacity of the composite positive electrode is within 40 percent of the first cycle irreversible capacity of the composite negative electrode.
    Type: Application
    Filed: January 27, 2010
    Publication date: July 28, 2011
    Inventors: Leif Christensen, Jerome E. Scanlan
  • Patent number: 7972727
    Abstract: An electrode composition for a lithium ion battery that includes an amorphous alloy having the formula SixMyAlz where x, y, and z represent atomic percent values and (a) x+y+z=100, (b) x?55, (c) y<22, (d) z>0, and (e) M is one or more metals selected from the group consisting of manganese, molybdenum, niobium, tungsten, tantalum, iron, copper, titanium, vanadium, chromium, nickel, cobalt, zirconium, yttrium, and combinations thereof.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: July 5, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Leif Christensen, Mark N. Obrovac
  • Patent number: 7871727
    Abstract: Alloy compositions, lithium ion batteries, and methods of making lithium ion batteries are described. The lithium ion batteries have anodes that contain an alloy composition that includes a) silicon, b) aluminum, c) transition metal, d) tin, e) indium, and f) a sixth element that contains yttrium, a lanthanide element, an actinide element, or a combination thereof. The alloy composition is a mixture of an amorphous phase that includes silicon and a crystalline phase that includes an intermetallic compound of 1) tin, 2) indium, and 3) the sixth element.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: January 18, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Mark N. Obrovac, Leif Christensen
  • Patent number: 7851085
    Abstract: Alloy compositions, lithium ion batteries, and methods of making lithium ion batteries are described. The lithium ion batteries have anodes that contain an alloy composition that includes a) silicon, b) aluminum, c) transition metal, d) tin, and e) a fifth element that contains yttrium, a lanthanide element, an actinide element, or a combination thereof. The alloy composition is a mixture of an amorphous phase that includes silicon and a nanocrystalline phase that includes an intermetallic compound of tin and the fifth element.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: December 14, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Mark N. Obrovac, Leif Christensen
  • Publication number: 20100292444
    Abstract: The present invention relates to prolactin analogues, which analogues have increased resistance to deamidation.
    Type: Application
    Filed: July 3, 2008
    Publication date: November 18, 2010
    Applicant: Novo Nordisk A/S
    Inventors: Jens Breinholt, Per Franklin Nielsen, Leif Christensen, Leif Nørskov-Lauritsen, Anders Swensson
  • Patent number: 7825215
    Abstract: Compositions and methods are provided for the nucleic acid mimic determination of nucleic acids. The compositions and methods may be used in the diagnosis and treatment of diseases amenable through modulation of nucleic acids which encode proteins that are implicated in disease states. In accordance with preferred embodiments, mimics are comprised of non-naturally occurring backbones to which are appended modified heterocyclic bases. Such bases preferably have sterically bulky substituents 1, 2, or 3 atoms removed from the sites of attachment to the backbone.
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: November 2, 2010
    Inventors: Leif Christensen, Henrik Frydenlund Hansen, Peter E. Nielsen
  • Publication number: 20100249029
    Abstract: The invention relates to variants of prolactin, which variants have high affinity for the prolactin receptor.
    Type: Application
    Filed: March 7, 2008
    Publication date: September 30, 2010
    Applicant: Novo Nordisk A/S
    Inventors: Jens Breinholt, Kent Bondensgaard, Leif Christensen, Leif Nørskov-Lauritzen, Wang Lingyun, Gong Wei, Liu Yun, Sean Hu, Quinhong Ma