Patents Assigned to 3M
  • Deep causal learning for data storage and processing power management
    Patent number: 11714549
    Abstract: Method for active data storage management to optimize use of an electronic memory. The method includes providing signal injections for data storage. The signal injections can include various types of data and sizes of data files. Response signals corresponding with the signal injections are received, and a utility of those signals is measured. Based upon the utility of the response signals, parameters relating to storage of the data is modified to optimize use of long-term high latency passive data storage and short-term low latency active data storage.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: August 1, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gilles J. Benoit, Nicholas A. Johnson
  • Confined-space davit
    Patent number: 11713219
    Abstract: A confined-space davit, including a vertical, elongate mast provided by at least one annular tube; and, a boom that is pivotally connected to an upper end portion of the mast and that extends forwardly from the mast. The tube comprises a forward wall and an opposing rearward wall and comprises left and right opposing lateral sidewalls that each connect the forward wall to the rearward wall.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: August 1, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Greg E. Schrank, Andrew C. Strauss
  • Repair compound and methods of use
    Patent number: 11713278
    Abstract: A repair compound for use in all applications and particularly well-suited for large hole repair. The repair compound includes a latex resin, a thickener, fibers, and a filler material. In some embodiments, the repair compound is configured to exhibit pseudoplastic-type behavior. In some embodiments, the repair compound has a density of not greater than 4.0 lbs/gal. In some embodiments, the repair compound includes hydrophobic and hydrophilic fibers of different morphologies. In some embodiments, the repair compound includes HASE-type thickeners. In some embodiments, the repair compound includes a bimodal distribution of hollow glass microspheres from two different strength/size curves.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: August 1, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: John E. Gozum, DanLi Wang, Dwight B. Schoenherr
  • Acoustically probed over-the-ear hearing assessment devices and methods
    Patent number: 11707210
    Abstract: An over-the-ear hearing assessment device and a method for evaluating the performance of over-the-ear hearing devices are described. An exemplary over-the-ear hearing assessment device includes an ear cup defining an interior volume and positionable at least partially over the ear of a user. The ear cup includes a shell, a cushion, and an acoustic port extending from an exterior to the interior volume of the ear cup. The acoustic port is sealably engagable with a microphone.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: July 25, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: James D. Brown, Jacob H. Ely, Michael G. Wurm
  • Optical adhesive
    Patent number: 11708510
    Abstract: An optical adhesive including a viscoelastic or elastomeric adhesive layer and a cured polymer layer immediately adjacent the viscoelastic or elastomeric adhesive layer is described. The viscoelastic or elastomeric adhesive layer a refractive index less than 1.570 and the cured polymer layer has a refractive index of at least 1.570. An interface between the viscoelastic or elastomeric adhesive layer and the cured polymer layer is structured. The cured polymer layer has a storage modulus of at least 2000 MPa at 20° C. and a glass transition temperature of no more than 65° C.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: July 25, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Brett J. Sitter, Daniel W. Hennen, David B. Olson, Scott M. Tapio
  • Optical system with switchable diffuser
    Patent number: 11708962
    Abstract: An optical system including a lighting component and a switchable diffuser in optical communication with the lighting component. The optical system may further include a low absorbing optical component. At least one outer surface of the switchable diffuser and/or the low absorbing optical component includes light redirecting structures. When the switchable diffuser is in a first state and the optical system produces a light output, the light redirecting structures are configured to increase the full width at half-maximum (FWHM) of the light output of the optical system in at least one direction by at least 5 degrees relative to that of an otherwise equivalent optical system that does not include the light redirecting structures.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: July 25, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: John A. Wheatley, Guanglei Du, Kenneth A. Epstein
  • Coated abrasive article with multiplexed structures of abrasive particles and method of making
    Patent number: 11707816
    Abstract: The method generally involves the steps of filling the cavities in a production tool each with an individual abrasive particle. Aligning a filled production tool and a resin coated backing for transfer of the abrasive particles to the resin coated backing. Transferring the abrasive particles from the cavities onto the resin coated backing and removing the production tool from the aligned position with the resin coated backing. Thereafter the resin layer is cured, a size coat is applied and cured and the coated abrasive article is converted to sheet, disk, or belt form by suitable converting equipment.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: July 25, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Steven J. Keipert, John T. Boden, Scott R. Culler
  • Pressure sensitive adhesive comprising (meth)acrylic polymer and amino acid crosslinker
    Patent number: 11708513
    Abstract: A pressure sensitive adhesive composition is described that comprises a (meth)acrylic polymer comprising polymerized units of (meth)acrylic ester monomer having a Tg less than 0° C. and ethylenically unsaturated monomer comprising a pendent functional group crosslinked with an amine or carboxylic acid group of at least one amino acid. Also described are aqueous pressure sensitive adhesive compositions, adhesive-coated articles, and methods.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: July 25, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Serkan Yurt, Ibrahim A. El-Hedok, Kumars Sakizadeh, Jayshree Seth
  • Performing analytics on protected health information
    Patent number: 11710544
    Abstract: This disclosure includes techniques for analyzing patient data. In one example, a method includes accessing, by a computer system, one or more databases comprising health information, with protected health information, for a plurality of patients, accessing, by the computer system, an analytical model, and receiving, by the computer system via a user interface, instructions to apply the analytical model to health information for each of the plurality of patients. The protected health information is isolated from the user interface to restrict access to the protected health information. The method further includes applying, by the computer system, the analytical model to health information for each of the plurality of patients, and storing a result of the analytical model to the one or more databases.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: July 25, 2023
    Assignee: 3M Innovative Properties Company
    Inventor: Richard H. Wolniewicz
  • Powered air breathing apparatus
    Patent number: 11707638
    Abstract: A safety breathing apparatus has a sensor for measuring the difference in pressure between two point 1a, 1b in the gas delivered to a head unit 9. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: July 25, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Albert F. Zwolinsky, Richard D. Marshall, Christopher G. Hall
  • Optical assembly with protective coating
    Patent number: 11709299
    Abstract: An optical assembly including an optical element insert molded directly onto an optical stack is provided. The optical stack includes an optical film and may include a liner with the optical film being disposed between the optical element and the liner. The liner, if included, is removable from the optical film without substantial damage to the optical film. An outermost layer of the optical film may be diffusion bonded to a major surface of the optical element. The optical film includes a protective coating having an average thickness of no more than 30 micrometers. The protective coating includes an at least partially cured composition. The composition includes 70 to 96 weight percent of urethane (meth)acrylate compound having an average (meth)acrylate functionality of 2 to 9.5, and 2 to 20 weight percent of (meth)acrylate monomer having a (meth)acrylate functionality of 1 to 2.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: July 25, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gregg A. Ambur, Benjamin G. Sonnek, Jo A. Etter, Timothy L. Wong, Thomas P. Klun, Richard J. Pokorny, Benjamin R. Coonce, Douglas S. Dunn, Henry A. Kostalik, IV, Christopher S. DeGraw, John R. Jacobson, Chunjie Zhang, Jung-Sheng Wu
  • Photopolymerizable compositions including a polyurethane methacrylate polymer prepared using a polycarbonate diol, articles, and methods
    Patent number: 11708428
    Abstract: The present disclosure provides a photopolymerizable composition. The photopolymerizable composition includes a) 40-60 parts by weight of a monofunctional (meth)acrylate monomer, per 100 parts of the total photopolymerizable composition; b) a photoinitiator; and c) a polymerization reaction product of components. A cured homopolymer of the monofunctional (meth)acrylate monomer has a glass transition temperature of 125 degrees Celsius or greater. The polymerization reaction product of components includes i) a diisocyanate; ii) a hydroxy functional methacrylate; iii) a polycarbonate diol; and iv) a catalyst. The polymerization reaction product includes a polyurethane methacrylate polymer. Often, the polyurethane methacrylate polymer has a weight average molecular weight of 8,000 g/mol or greater. The present disclosure further provides an article and methods thereof.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: July 25, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Thomas P. Klun, Zeba Parkar, John M. Riedesel, Richard J. Pokorny, Chad M. Amb, Benjamin R. Coonce, Robert S. Clough, Tianyu Wu, Saswata Chakraborty, Yongshang Lu, Benjamin C. MacMurray
  • Hydrocarbon polymers containing ammonium functionality
    Patent number: 11702486
    Abstract: Described herein are cationic polymers having a plurality of quaternary amino groups, methods of making such polymers, and uses of such polymers as ion exchange membranes in electrochemical devices.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: July 18, 2023
    Assignees: 3M Innovative Properties Company, Alliance for Sustainable Energy, LLC
    Inventors: Carl A. Laskowski, Michael A. Yandrasits, Timothy M. Gillard, Zbyslaw R. Owczarczyk, Marina M. Kaplun
  • Anti-icing stack
    Patent number: 11701861
    Abstract: Anti-icing stacks for protecting an aerodynamic surface are described. In some embodiments, an anti-icing stack includes an anti-icing layer, an elastomeric erosion protection layer, and an additional layer. The erosion protection layer is disposed between the anti-icing layer and the additional layer. The additional layer has a thickness greater than the thickness of the erosion protection layer and a tensile modulus of no more than the tensile modulus of the erosion protection layer. The additional layer may be a foam adhesive layer.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: July 18, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Bernd Kühneweg, Frans A. Audenaert, Michael Juergens, Christoph T. R. Schuell, Andrea Habbe
  • Support core for an elastic sleeve
    Patent number: 11705711
    Abstract: A support core for an elastic sleeve comprises a first cylindrical section disengagably connected to a second cylindrical section. Each cylindrical section has an annular sidewall made up of a plurality of interlocking concave plates extending longitudinally along a portion of the support core between a abutment end and a distal end. The abutment end of each cylinder section includes a generally helical edge. The plurality of concave plates comprises a top and bottom surfaces, having two opposing longitudinal edges extending between said surfaces on opposite sides of the concave plate. Each of the longitudinal edges comprises an interlocking feature that configure to connect to a mating feature of at least one other concave plate to form one of cylindrical sections of the support core.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: July 18, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Anton F. Jachim, Sally M. Grambusch, Robert M. Anderton, Mark A. Hoisington, Jeffrey M. Maki, Christopher J. Evoniuk
  • Surface mounted hanger
    Patent number: D993010
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: July 25, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Joseph A. Hoffman, Angela L. Pan, Mario A. Davenport
  • Surface mounted hanger
    Patent number: D993011
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: July 25, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Joseph A. Hoffman, Angela L. Pan, Mario A. Davenport
  • Surface mounted hanger
    Patent number: D993012
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: July 25, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Joseph A. Hoffman, Angela L. Pan, Mario A. Davenport
  • Battery
    Patent number: D993165
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: July 25, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: William P. Atwood, Yi-Chi Huang, Ravi Thomas, Jeffrey L. Hamer, Paul D. Henry
  • Surface mounted hanger
    Patent number: D993757
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: August 1, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Joseph A. Hoffman, Angela L. Pan, Mario A. Davenport