Patents Assigned to 3M
  • Fall-protection system with monitoring system
    Patent number: 11819714
    Abstract: A fall-protection system including a harness and a fall-protection apparatus with a lifeline bearing a connector configured to be connected to the harness; and, a fall-protection monitoring system with a base unit and with at least one sensor module configured to sense a condition of the connector and to communicate a signal indicative of the condition of the connector to the base unit.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: November 21, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Lauren K. Carlson, Scott E. Brigham, Christopher W. Coyle, Heidi Lopez-Hidalgo, Jonathan J. Lepp, Stephen D. Shaver, Jeffrey T. Keacher
  • Touch screen sensor
    Patent number: 11822750
    Abstract: A touch screen sensor includes a visible light transparent substrate and an electrically conductive micropattern disposed on or in the visible light transparent substrate. The micropattern includes a first region micropattern within a touch sensing area and a second region micropattern. The first region micropattern has a first sheet resistance value in a first direction, is visible light transparent, and has at least 90% open area. The second region micropattern has a second sheet resistance value in the first direction. The first sheet resistance value is different from the second sheet resistance value.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: November 21, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Matthew H. Frey, Michael J. Robrecht, George F. Jambor
  • Display device and infrared light cut-off film
    Patent number: 11822075
    Abstract: A display device according to one aspect of the present invention includes: a display unit configured to have display information and emits visible light having a continuous spectrum; an infrared cut-off part configured to transmit the visible light from the display unit and to reduce the amount of infrared light striking the display unit; and a reflecting part configured to reflect the visible light having passed through the infrared cut-off part. The infrared cut-off part includes a first polymer film and a second polymer film, the first polymer film includes an infrared cut-off layer configured to reduce infrared light transmission, and the second polymer film includes a high-retardation polyester film and is disposed between the first polymer film and the display unit.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: November 21, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yuji Saito, Noboru Iwata, Atsushi Ono, Kentaro Tamura
  • Method and adapter for conveying plural liquid streams
    Patent number: 11813581
    Abstract: A method and an adapter for improving the efficiency of a static mixer being used to mix reactive fluids such as epoxy adhesives. This allows either a small static mixer to be employed, or a smaller purge flow during dispensing operations.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: November 14, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Patrick R. Connelly, Marc A. Egeland, Gregory P. Moriarty
  • Automatic darkening filter with simplified set-up
    Patent number: 11813200
    Abstract: The present disclosure relates to an automatic darkening filter 20 which is suitable for darkening for protection from light, in particular from high intensity light, with a simplified set-up, as well as to a set-up device 40 for setting up parameters of a such filter 20. The present disclosure also relates to a system 100, 100? comprising such an automatic darkening filter 20 and such a set-up device 40, in particular a welding device 110. The present disclosure furthermore relates to a method for setting up such an automatic darkening filter 20 as well as to a headgear 10 with such an automatic darkening filter 20 and to a welding device 110 with such a set-up device 40.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: November 14, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Christian A. Ripken, Markus Glocker
  • Fall arresting device connector
    Patent number: 11813487
    Abstract: Connectors for coupling fall arresting devices to a safety harness. The connectors may include a first pin configured to lock into a first side of a base portion using one or more locking mechanisms. The first pin may be used to engage with one or more fall arresting devices to attach the one or more fall arresting devices to the connector. In some such examples, the locking mechanisms may be positioned within interior portions of the first side of the connector so as to allow the one or more fall arresting devices to pivot freely about the ends of the connector. In some examples, the connectors may include a second pin configured to lock into a second side of the base portion using one or more locking mechanisms. The second pin may be used to conveniently and releasably attached the connector to a safety harness of a worker.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: November 14, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Matthew S. Stephenson, Rick G. Miller
  • Machines systems and methods for making random fiber webs
    Patent number: 11814763
    Abstract: Methods apparatuses and systems of forming a random fiber web using pneumatic fiber feeding system are disclosed. In one embodiment, a method can optionally comprise: providing a plurality of moveable apparatuses including a lickerin and a feeder, the lickerin configured to remove a plurality of fibers from a fibrous mat delivered to adjacent the lickerin by the feeder; doffing the plurality of fibers from the lickerin at a doffing location within the system; communicating an air supply to entrain the plurality of fibers with the air supply after the doffing; and collecting the plurality of fibers from the air supply to form the random fiber web.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: November 14, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: William P. Klinzing, Warren D. Eaton, Jon A. Lindberg, David C. Raithel, Kyle J. Baumgartner, James C. Breister, Joseph A. Dunbar, Blake R. Griffith, Cristobal Martin Bernia, Jesse R. Seifert, Joshua D. Tibbits
  • Machines systems and methods for making random fiber webs
    Patent number: 11814754
    Abstract: Methods and systems of forming a random fiber web using pneumatic fiber feeding system are disclosed. The method can optionally comprise: providing a plurality of moveable apparatuses including a lickerin and a feeder, the lickerin configured to remove a plurality of fibers from a fibrous mat delivered to adjacent the lickerin by the feeder; doffing the plurality of fibers from the lickerin at a doffing location within the system; communicating an air supply to entrain the plurality of fibers with the air supply after the doffing; and collecting the plurality of fibers from the air supply to form the random fiber web.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: November 14, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: William P. Klinzing, Warren D. Eaton, Jon A. Lindberg, David C. Raithel, Kyle J. Baumgartner, James C. Breister, Joseph A. Dunbar, James P. Endle, Blake R. Griffith, Sylvain M. Lalonde, Cristobal Martin Bernia, Jesse R. Seifert, Joshua D. Tibbits
  • System and method for risk classification and warning of flashover events
    Patent number: 11816971
    Abstract: A system, wearable device and management device provided for predicting a flashover event. According to one aspect of the disclosure, a wearable device for predicting a flashover event is provided. The wearable device includes at least one thermal sensor configured to generate thermal data associated with an environment, and processing circuitry configured to: determine a risk of ignition of at least one combustible gas in the environment based on the thermal data, and trigger at least one action based on the determined risk of ignition.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: November 14, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Andrew Long, Panagiotis D. Stanitsas, Jerome Shanko, Jr., Wesley M. Barbee, Matthew M. Shettel, Matthew Shannon, Johnathan R. Graves, James W. Howard, James B. Snyder, James L. C. Werness, Jr., Jason Patterson, Ravi Raagav Srinivas, Payas Tikotekar
  • Image based novelty detection of material samples
    Patent number: 11816946
    Abstract: Systems and methods for detecting/identifying novel material samples are provided. A test sample image is processed with a trained transformation function to obtain a transformed matrix. A measure of similarity of the test image based on the transformed matrix is compared to a threshold to determine whether the test sample is novel to a batch of material samples that are provided to train the transformation function.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: November 14, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Nicholas A. Asendorf, Jennifer F. Schumacher, Muhammad Jamal Afridi, Himanshu Nayar, Golshan Golnari
  • DISINFECTING DEVICE FOR LUER ACTIVATED DEVICES
    Publication number: 20230355948
    Abstract: A disinfecting device for a Luer-activated device having a septum is disclosed. The disinfecting device includes a cap, a plunger including a standoff and a face, and a disinfectant. When the Luer-activated device is secured to the disinfecting device, the Luer-activated devices engaged with the standoff but Luer-activated device septum does not contact the standoff or the face.
    Type: Application
    Filed: February 19, 2020
    Publication date: November 9, 2023
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: ALAN R. DOMBROWSKI
  • Optical device with antistatic coating
    Patent number: 11807795
    Abstract: Optical devices comprising at least one optical layer and at least one antistatic layer disposed on at least one surface of the optical layer wherein the antistatic layer comprises the reaction product of: (a) at least one polymerizable onium salt; and (b) at least one polymerizable, non-onium, silicone or perfluoropolyether moiety-containing monomer, oligomer, or polymer.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: November 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Bryan V. Hunt, Brandt K. Carter, Maureen C. Nelson, Thomas P. Klun, Jason S. Petaja, Yizhong Wang, Joel D. Oxman
  • Self-resealing magnet closure
    Patent number: 11806204
    Abstract: A syringe for dispensing a flowable material. The syringe has a cartridge with a cartridge front end and at least a first dispensing nozzle arranged at the cartridge front end. The syringe further has closure for openably closing the first dispensing nozzle. The closure includes a cap and at least a first seal. The cap is telescopically placeable on the cartridge front end. The closure or the cartridge has a first magnet for establishing a magnetic attraction between the closure and the cartridge. In a situation in which the closure is placed on the cartridge front end, the closure and the cartridge can be positioned in a sealing position in which the first seal spaces the cap and the cartridge front end away from each other against a magnetic attraction that urges the cap and the cartridge toward each other.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: November 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Marc Peuker, Andreas J. Boehm
  • Security articles comprising groups of microstructures made by end milling
    Patent number: 11806795
    Abstract: The present disclosure relates to end milling methods for making microstructures, a tool comprising such microstructures, the microstructures, and replications thereof, where the microstructures are part of a structured surface configured as a security article. Some of the microstructures are configured differently from others to define an optically detectable indicia in the structured surface. Microstructures in a first group may for example differ from microstructures in a second group in terms of one or more of size, orientation, cube corner type, and dihedral angle value(s), to define the indicia or a portion thereof. The microstructures may comprise full or truncated cube corner elements, and the article may be a retroreflective sheeting.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: November 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Nelson D. Sewall, Christopher S. Grinde
  • Floor pad with variable abrasive distribution
    Patent number: 11806838
    Abstract: A surface-treating article, comprising a circular substrate (100) comprising a first major surface, an abrasive disposed on the first major surface, the abrasive having a first concentration at a first radius (110) measured from the center of the substrate, the abrasive having a second concentration not equal to the first concentration at a second radius (120) measured from the center of the substrate, wherein the first radius (110) and the second radius (120) are different lengths.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: November 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Lijun Zu, Andrew C. Anderson, Sarah L. Hagen, Jesse D. Lund, Qihong Nie, David C. Raithel, Kim C. Sachs, Jr.
  • Method of making polymer matrix composites
    Patent number: 11807732
    Abstract: Method of making a polymer matrix composite comprising a porous polymeric network structure; and a plurality of particles distributed within the polymeric network structure, the method comprising: combining a thermoplastic polymer, a solvent that the thermoplastic polymer is soluble in, and a plurality of particles to provide a slurry; forming the slurry in to an article; heating the article in an environment to retain at least 90 percent by weight of the solvent, based on the weight of the solvent in the slurry, and inducing phase separation of the thermoplastic polymer from the solvent to provide the polymer matrix composite.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: November 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Derek J. Dehn, Clinton P. Waller, Jr., Jeanne M. Bruss, Bharat R. Acharya, Brandon A. Bartling, Michael S. Graff, Noah O. Shanti, Fabian Stolzenburg, Satinder K. Nayar
  • Gradient permittivity film
    Patent number: 11811139
    Abstract: Gradient permittivity films are described. In particular, gradient permittivity films including a plurality of layers each having a thickness where at least one layer is perforated and has a different air volume fraction from another of the plurality of layers by at least 0.05. Such films may be useful in improving the signal to noise ratio for transmitting and receiving units operating between 20 GHz and 300 GHz behind a protective cover.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: November 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jaewon Kim, Stephen J. Etzkorn, Ronald D. Jesme, Dipankar Ghosh, Mohsen Salehi, Guanglei Du, John A. Wheatley
  • Sensor array spectrometer
    Patent number: 11802795
    Abstract: An optical system is disclosed and includes an optical sensor, a plurality of photosensitive pixels disposed on the optical sensor, a wavelength-selective optical filter in optical communication with the photosensitive pixels, the wavelength-selective optical filter being disposed remotely from the optical sensor, an area disposed in the wavelength-selective optical filter, the area having a transmission spectrum different from a transmission spectrum of a portion of the wavelength-selective optical filter not in the area and a reflector, the wavelength-selective optical filter and a measurement subject each being disposed between the reflector and the optical sensor along an optical path.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: October 31, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: John A. Wheatley, Mark A. Roehrig, Del R. Lawson, Tony J. Kaufman, James W. Howard, Kevin W. Gotrik, Claire R. Donoghue, Joshua M. Fishman, Jonah Shaver
  • Robot end effector
    Patent number: D1003959
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: November 7, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Aaron K. Nienaber, Brett R. Hemes, Thomas J. Strey, Christie L. Vitale, Nathan J. Herbst, Jonathan B. Arthur
  • Sheet with slits
    Patent number: D1004290
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: November 14, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Thomas R. Corrigan