Patents Assigned to 3M
  • Optical assembly
    Patent number: 9229141
    Abstract: An optical assembly includes a light directing film having an average effective transmission of at least 1.3, a light diffusing film having an optical haze of at least 5% and a plurality of spaced apart posts disposed and defining an air gap between the light directing and diffusing films. The posts are attached to a first major surface of the substrate and an opposing second end of each post is attached to the light diffusing film via a first adhesive layer. The first adhesive layer forms a meniscus at each post having an outer surface radius of at least 0.5 micrometers.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: January 5, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Gary T. Boyd
  • Mop
    Patent number: 9226638
    Abstract: A mop is disclosed. The mop comprises a mop head (1), a mop shank (2) and a joint (3) connecting the mop head (1) and the mop shank (2), wherein the mop head (1) comprises a cleaning face which is disposed to enable at least one part of the cleaning face to be dynamically switched relative to the other parts thereof, for forming a coplanar state or a non-coplanar state with the other parts.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: January 5, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Feng Zeng, Weilai Jiang, Liang Cheng, Gianmauro Vella
  • Mixer for preparing a dental material, and system comprising the same
    Patent number: 9227162
    Abstract: A mixer (10) for preparing a dental material comprises a mixing barrel (17) and a mixing rotor (16), a mixer inlet (13, 14), and an outlet (15). The mixing rotor is rotatable about a rotation axis (A), and comprises four mixing paddle levels (21, 22, 23, 24) each comprising at least one mixing paddle. The mixing paddle levels are axially disposed over a portion of the mixing rotor with the paddle levels being axially spaced at a generally uniform paddle spacing. The mixing paddles further have a thickness in the dimension parallel to the rotation axis, and the ratio between the paddle spacing and the paddle thickness is at least 2:1, thereby maximizing the mixing efficiency, and minimizing energy consumption.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: January 5, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jens Gramann, Korbinian Schepke-Gerlach
  • Above-deck roof venting article
    Patent number: 9228355
    Abstract: A building construction assembly for installation on a roof deck including a base layer and a channel structure coupled to the base layer and defining a plurality of channels. In an embodiment, the plurality of channels include a first airflow channel and second airflow channel extending in parallel through the channel structure. The plurality of channels further includes a venting channel between the first and second airflow channels and the base layer. The channel structure defines one or more apertures between the venting channel and each of the first and second airflow channels configured to allow airflow from the first and second airflow channels into the venting channel. The base layer defines one or more exit orifices in airflow communication with the venting channel and configured such that air in the venting channel exits the building construction assembly through the one or more exit orifices.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: January 5, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: John Scott Edwards, Frank William Klink
  • Above-deck roof venting article
    Patent number: 9228356
    Abstract: A roofing system and article for installation on a roof deck. The roofing article includes a body having an upper portion and an underside. A first channel is defined within the upper portion. The first channel includes an inlet. A second channel is defined intermediate the underside of the body and the roof deck. The second channel is operably connected to the first channel through an orifice, such that the outside air can enter the second channel through the orifice.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: January 5, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: John S. Edwards, Frank W. Klink, James N. Dobbs, Jon A. Kirschhoffer
  • Polyether hybrid epoxy curatives
    Patent number: 9228055
    Abstract: This invention relates to a polyether-amido-amine compound, obtainable by a two-step reaction of a poly-etheramine with an alkyl acrylate and a polyalkyle-neimine, whereas the polyetheramine and the polyalkyleneimine have at least one primary or secondary amine group, in which the first step comprises the reaction of the polyetheramine with the alkyl acrylate and the second step comprises the reaction of the polyalkyleneimine with the product of the first step. The invention also relates to a method for synthesizing a polyether-amido-amine compound by a two-step-reaction. Another object of this invention is a curable composition containing at least one polyether-amido-amine-compound of this invention and a method for coating the surface of a substrate or for binding at least two substrates together using such a curable composition.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: January 5, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Frans A. Audenaert, Martin A. Hutchinson, Ian Robinson
  • MODULAR BREAKOUT DEVICE FOR OPTICAL AND ELECTRICAL CONNECTIONS
    Publication number: 20150378122
    Abstract: The present invention relates to a modular breakout device providing optical and/or electrical connection interfaces in each modular unit. The exemplary breakout device includes a housing made up of a plurality of individual compartments stacked upon each other and a cover that is attachable to the housing. The plurality of individual compartments includes a base compartment configured with a port though a wall of the base compartment that is configured to accept optical and/or electrical transmission media and a first furcation tray. The first furcation tray is disposed on top of the base compartment and the cover is disposed on top of the first furcation tray to enclose the housing. In one exemplary aspect, the breakout device has an optical connection interface and an electrical connection interface disposed in a side wall of the first furcation tray.
    Type: Application
    Filed: February 7, 2014
    Publication date: December 31, 2015
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Richard L. Simmons
  • ABSORBING, REFLECTING AND COLLIMATING POLARIZER STACK AND BACKLIGHTS INCORPORATING SAME
    Publication number: 20150378077
    Abstract: Polarizer stacks are described. More particularly, polarizer stacks that include an absorbing polarizer and multiple reflective polarizers, including at least one collimating reflective polarizer are described. Such polarizer stacks are capable of emitted light that is both collimated and color neutral. Backlights incorporating such polarizer stacks are also described.
    Type: Application
    Filed: February 10, 2014
    Publication date: December 31, 2015
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Adam D. Haag, Timothy J. Nevitt, Michael F. Weber, Robert D. Taylor, Carl A. Stover
  • Window film attachment article
    Patent number: 9222299
    Abstract: An article for securing a window film to a window frame includes an elongate body having a first end and a second end, a first portion having a first attachment surface extending from the first end to the second end, a connecting portion extending outwardly from the first portion opposite the first attachment surface, and a second portion joined with the end of the connecting portion opposite the first portion. Methods of anchoring an applied window film to a window frame using the article are also disclosed.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: December 29, 2015
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Christopher A. Haak, Ryan B. Prince, Mario A. Perez, Steven R. Austin
  • Remote socket apparatus
    Patent number: 9223336
    Abstract: A remote socket apparatus comprises a socket to receive a remote electronics unit. The socket is configured to house multiple media to connect to remote electronics housed in the remote electronics unit. The socket includes a socket interface configured to mate with a remote electronics unit interface. At least one of the socket and remote electronics unit further includes an actuation mechanism configured to connect the multiple media simultaneously. The remote socket apparatus can be utilized in a network that provides in-building wireless (IBW) communications and in a converged network that also provides wired in-building telecommunications.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: December 29, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Kurt H. Petersen, Paul H. Benson, Stephen Paul LeBlanc, Laylonie L. Le Van-Etter, Curtis L. Shoemaker
  • Capsule for storage, mixing and dispensing materials
    Patent number: 9220578
    Abstract: The present invention relates to a capsule for storage, mixing and dispensing of materials, preferably dental materials like glass ionomer cement. The capsule comprises a capsule body member that provides a main chamber and comprises a dispensing opening; and an applicator member being slideably accommodated in said capsule body member, said applicator member providing an auxiliary chamber. An activator member is slideably accommodated in said applicator member.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: December 29, 2015
    Assignee: 3M ESPE AG
    Inventors: Marc Peuker, Arno Hohmann, Helmut Pauser
  • Laminated flexible resilient abrasive article
    Patent number: 9221152
    Abstract: A sheet-like abrasive article includes a resilient backing sheet having opposed major surfaces and a continuous abrasive sheet affixed to the backing sheet. The abrasive sheet includes an abrasive support layer with abrasive particles arranged thereon, thereby defining an abrasive surface. A sanding tool assembly including such a sheet-like abrasive article is also disclosed.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: December 29, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: John G. Petersen, Chris A. Minick, Ian R. Owen
  • Electrical connectors including electromagnetic interference (EMI) absorbing material
    Patent number: 9225120
    Abstract: Examples of electrical connectors that incorporate electromagnetic interference (EMI) absorbing materials are described. In one example, an electrical connector includes a first pair of conductors, a second pair of conductors, and electromagnetic interference (EMI) absorbing material at least partially separating the first pair of conductors from the second pair of conductors. Each of the first and second pairs of conductors defines one of a differential pair or a signal conductor/ground pair. The EMI absorbing material may be configured to attenuate, primarily by absorption, an electromagnetic field generated due to transmission of electrical signals via one of the first pair and second pair of conductors to reduce the electromagnetic inference from the electromagnetic field on the other of the first pair and second pair of conductors.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: December 29, 2015
    Assignee: 3M Innovative Properties Company
    Inventor: Alexander W. Barr
  • Method of applying adhesive coated film
    Patent number: 9221237
    Abstract: An adhesive-applying method is disclosed herein. The method comprises: providing a film comprising pressure sensitive adhesive coated on a major surface thereof; heating the film to a softening point of the film; and pressing the film against a substrate with an application device, the application device comprising a film-contacting portion, the film-contacting portion comprising a foam material and having a thermal conductivity of less than 1.8 BTU in /(hr ft2 °F.); wherein the pressure sensitive adhesive on the major surface of the film adheres to the substrate. Application devices and kits that may be used in conjunction with the method are also disclosed herein.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: December 29, 2015
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Ronald S. Steelman, John R. David
  • Nanocalcite composites
    Patent number: 9221970
    Abstract: Compositions comprising surface-modified nanocalcite particles dispersed in a curable resin, and to coatings and fibrous composites incorporating such compositions are described. The surface-modifying agents include a binding group ionically associated with the calcite and a compatiblizing segment, compatible with the curable resin. The surface-modifying agent may also include a reactive group capable of reacting with the curable resin. Methods of preparing nanocalcite composites and coating a fibrous composites prepared from such nanocalcite composites are also described.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: December 29, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: William J. Schultz, Chad A. Haraldson, Nathan E. Schultz, Wendy L. Thompson, James E. Thorson, Douglas P. Goetz, Steven C. Hackett, James M. Nelson
  • Surface-treated calcium phosphate particles suitable for oral care and dental compositions
    Patent number: 9220673
    Abstract: Calcium phosphate particles are described comprising a surface treatment wherein the surface treatment comprises at least one sugar alcohol. Also described are various oral care compositions comprising surface treated calcium phosphate particles and methods of surface treating calcium phosphate particles.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: December 29, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Neeraj Sharma, Sumita B. Mitra
  • Triphenyl monomers suitable for microstructured optical films
    Patent number: 9221743
    Abstract: Optical films are described having a polymerized microstructured surface that is the reaction product of a polymerizable resin composition comprising at least one polymerizable ethylenically unsaturated triphenyl monomer. Also described are certain triphenyl (meth)acrylate monomers and polymerizable resin compositions.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: December 29, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Bryan V. Hunt, Kyle J. Lindstrom, Judith M. Invie, David B. Olson, Anthony M. Renstrom
  • Handle
    Patent number: D746121
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: December 29, 2015
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Joongho Choi, Taeno Yoon, Seungyoub Oh, In-Hwan Lee
  • Display base
    Patent number: D746599
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: January 5, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Judd D. Olson, Thomas W. Floyd, Kevin E. Kinzer, Stephan A. Hawthorne, Sandra K. Nowak, Irina Hass, Linda W. Suszko
  • Cleaning tool
    Patent number: D747053
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: January 5, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Mark W. Baldwin