Patents Assigned to 3M
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Patent number: 11932589Abstract: A hydrofluoroolefin compound is represented by the following general formula (I): where RF1 is a hydrogen atom or CH3, and (iii) RF1 is a linear or branched perfluorinated alkyl group having 1 to 10 carbon atoms and optionally including one or more catenated heteroatoms; and RF2 is a fluorine atom or a linear or branched perfluorinated alkyl group having 1 to 8 carbon atoms and optionally including one or more catenated heteroatoms; with the proviso that when RF2 is a fluorine atom, then RF1 includes at least 2 carbon atoms; or (iv) RF1 and RF2 are bonded together to form a ring structure having 4 to 8 carbon atoms and optionally including one or more catenated heteroatoms.Type: GrantFiled: February 12, 2020Date of Patent: March 19, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Nicholas A. Toso, Michael J. Bulinski
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Patent number: 11935261Abstract: A system for measuring dimensions of film to be applied to a window includes a plurality of removable cards for placement on the window, each of the plurality of removable cards having a plurality of visible correspondence points at pre-defined positions on the respective removable card. The system further includes a mobile device having an image capture device, and the image capture device is configured to capture an image of the window having a set of correspondence points visible in the image. Additionally, the system includes a server configured to receive the image of the window captured by the mobile device and process the image to determine dimensions of a film to be cut for the window based on the set of correspondence points and the pre-defined positions, and processing the image removes perspective distortions in the image. The system is configured to output the dimensions of the film.Type: GrantFiled: May 8, 2019Date of Patent: March 19, 2024Assignee: 3M Innovative Properties CompanyInventors: Raghunath Padiyath, Viruru Phaniraj, Jeffrey P. Adolf, Steven P. Floeder
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Patent number: 11933998Abstract: A film stack includes an oriented first layer including polyvinyl alcohol disposed on an oriented second layer including naphthalene dicarboxylate containing copolyester resin. The oriented second layer has in-plane birefringence ?nxy<0.02.Type: GrantFiled: December 22, 2020Date of Patent: March 19, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Adam D. Haag, Michael A. Johnson, Michelle L. Toy, Brianna N. Wheeler, David T. Yust
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Patent number: 11936050Abstract: Nanoporous oxygen reduction catalyst material comprising PtNiIr. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.Type: GrantFiled: December 20, 2021Date of Patent: March 19, 2024Assignee: 3M Innovative Properties CompanyInventors: Andrew J. L. Steinbach, Amy E. Hester, Dennis F. Van Der Vliet
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Patent number: 11931219Abstract: A method of charging a battery of a dental light irradiation device has the steps of powering the battery at a first charging current and measuring a first terminal voltage of the battery; powering the battery at a different second charging current and measuring a second terminal voltage of the battery; calculating a battery source voltage; and powering off the battery as soon as the battery source voltage reaches or exceeds the threshold voltage.Type: GrantFiled: October 15, 2019Date of Patent: March 19, 2024Assignee: 3M Innovative Properties CompanyInventor: Ralf Kelz
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Patent number: 11932788Abstract: A conductive adhesive film according to an embodiment includes: an adhesive base layer including first and second major surfaces facing each other; and a plurality of discrete individual particles distributed in the adhesive base layer, wherein outer surfaces of the particles are coated with metal at least in part to form metal coatings, and the metal coatings are connected with one another and are extended between the first and second major surfaces, such that an electrically and mechanically continuous three-dimensional porous network of the metal is formed.Type: GrantFiled: December 23, 2021Date of Patent: March 19, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jeongwan Choi, Taehoon Noh
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Patent number: 11934019Abstract: A light coupling unit includes a first major surface comprising one or more substantially parallel first grooves oriented along a first direction for receiving one or more optical waveguides. A second major surface for slidably contacting a mating light coupling unit comprises an optically transmitting window for propagating an optical signal therethrough, and a region of second grooves and lands configured to capture particulate contaminants in the second grooves.Type: GrantFiled: September 23, 2021Date of Patent: March 19, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: James M. Nelson, Michael A. Haase, Terry L. Smith
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Patent number: 11937043Abstract: A hearing protection device is provided. The hearing protection device includes a first earmuff connected to a second earmuff by a headband. Each of the first and second earmuffs are configured to dampen ambient sound. The hearing protection device also includes an antenna, located within a housing of the first earmuff. The antenna comprises a rigid portion coupled to a flexible portion. Both the rigid portion and the flexible portion are fixed within the housing. The flexible portion is configured to remain substantially in line with a ground plane with respect to the rigid portion.Type: GrantFiled: June 23, 2020Date of Patent: March 19, 2024Assignee: 3M Innovative Properties CompanyInventors: Sebastian Eggert-Richter, Michael H. Stalder, Christian Weinmann, Benhard C. Schneider, Paul H. R. Jolly
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Publication number: 20240082477Abstract: A reduced-pressure system for treating a tissue site on a patient includes a distribution manifold that adheres to a tissue site to allow retention without external support. The distribution manifold includes a porous member and a tissue-fixation element. The tissue-fixation element maintains the porous member substantially adjacent to the tissue site while a sealing member is applied. In one instance, the tissue-fixation element is a soluble adhesive that partially covers either the tissue-facing side of the porous member or a tissue-facing side of a fluid-permeable substrate layer that is on the tissue-facing side of the porous member. Other systems, distributions manifolds, and methods are presented.Type: ApplicationFiled: November 14, 2023Publication date: March 14, 2024Applicant: 3M Innovative Properties CompanyInventors: Timothy Mark ROBINSON, Tyler H. SIMMONS, Colin John HALL, Jeanette LOSOLE
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Publication number: 20240083139Abstract: The disclosed reinforced adhesive substrate includes a transparent, flexible, breathable backing with a reinforcing material having open areas to the substrate. The reinforcing material strengthen the breathable backing while maintaining transparency so that overall the substrate is transparent. A transparent adhesive substrate can allow the underlying surface to be visualized.Type: ApplicationFiled: October 30, 2020Publication date: March 14, 2024Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: JOHN J. ROGERS, AUDREY A. SHERMAN, AMANDA C. ENGLER
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Patent number: 11925576Abstract: An air hose includes a corrugated flexible hose. The air hose also includes a first hose end section mechanically coupled to the corrugated flexible hose. The first hose end section includes a pressure sensor communicatively coupled to a warming unit. The first hose end section is configured to releasably couple to a pneumatic convective device. The air hose also includes a second hose end section mechanically coupled to the corrugated flexible hose. The second hose end section is configured to couple to the warming unit.Type: GrantFiled: July 7, 2021Date of Patent: March 12, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: John R. Stark, Jared J. Balthazor, Philip G. Dion, Jay R. Goetz, Leroy J. Longworth, Melissa T. Nelson, Tyler J. Sandback, Michele A Waldner, Michael J. Woodson
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Patent number: 11925522Abstract: A custom tool for forming a dental restoration in a mouth of a patient includes a first mold body providing for a customized fit with at least one tooth of the patient. The first mold body includes a portion corresponding with at least a first surface of the tooth and an interproximal portion corresponding with an interproximal surface of the tooth, the interproximal portion being of unitary construction. The first mold body is configured to combine with the tooth of the patient to form a mold cavity encompassing a first portion of missing tooth structure of the tooth.Type: GrantFiled: August 27, 2021Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventors: James D. Hansen, Joseph C. Dingeldein, Mary C. Doruff
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Patent number: 11925526Abstract: A custom tool for bonding orthodontic appliances in a mouth of a patient, the custom tool comprising: a facial body for a patient-specific, customized fit with the facial side of a plurality of teeth of the patient, a lingual body for a patient-specific, customized fit with the lingual side of the plurality of the teeth of the patient, wherein the lingual body. wherein the facial body and lingual body are configured to combine with the teeth of the patient to position orthodontic appliances on the plurality of teeth.Type: GrantFiled: December 16, 2020Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventors: James D. Hansen, Joseph C. Dingeldein, John M. Pilgrim
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Patent number: 11925747Abstract: A dressing interface includes a base that has an aperture and a plurality of microneedles that are attached to the base and disposed over the aperture. The interface also includes a port that is configured to receive a fluid conductor and a conduit that couples the port and the aperture. Each of the microneedles contains a passageway that is fluidly coupled to the aperture. The interface may be used with a drape that is placed over a tissue site. The interface may provide communication between the tissue site and a reduced-pressure source through the microneedles piercing the drape rather than by cutting a hole in the drape.Type: GrantFiled: August 25, 2020Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventor: Prathamesh Madhav Kharkar
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Patent number: 11927926Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining causal models for controlling environments. One of the methods includes repeatedly selecting control settings for the environment based on (i) a causal model that identifies causal relationships between possible settings for controllable elements in the environment and environment responses that reflect a performance of the control system in controlling the environment and (ii) current values of a set of internal parameters; and during the repeatedly selecting: monitoring environment responses to the selected control settings; determining, based on the environment responses, an indication that one or more properties of the environment have changed; and in response, modifying the current values of one or more of the internal parameters.Type: GrantFiled: September 11, 2019Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventors: Brian E. Brooks, Gilles J. Benoit, Peter O. Olson, Tyler W. Olson, Himanshu Nayar, Frederick J. Arsenault, Nicholas A. Johnson
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Patent number: 11925746Abstract: One implementation of the present disclosure is a negative pressure wound therapy (NPWT) system, according to some embodiments. In some embodiments, the system includes an instillation system configured to provide instillation fluid to a wound site, and a controller. In some embodiments, the wound site includes a wound and a wound dressing. In some embodiments, the controller is configured to provide a first quantity of instillation fluid for a first instillation cycle. In some embodiments, the controller is configured to determine a second quantity of instillation fluid for a second instillation cycle based on the first quantity and a reduction factor. In some embodiments, the second quantity of instillation fluid is less than the first quantity of instillation fluid. In some embodiments, the controller is configured to adjust an operation of the instillation system to provide the second quantity of instillation fluid to the wound site.Type: GrantFiled: May 5, 2020Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventors: Christopher Brian Locke, Benjamin Andrew Pratt
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Patent number: 11927768Abstract: A display system including an imager for forming an image, and a projection lens system for projecting the image formed by the imager is described. For each pixel in the plurality of pixels, the imager is configured to emit a cone of light having a central ray having a direction that varies with location of the pixel in the imager. The variation may increase a brightness of an image projected through the projection lens system by at least 30 percent. The display system may include a light guide having a light insertion portion adapted to receive light; a light transport portion disposed to receive light from the light insertion portion; and a light extraction portion disposed to receive light from the light transport portion.Type: GrantFiled: April 4, 2022Date of Patent: March 12, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Andrew J. Ouderkirk, Timothy L Wong, Erin A. McDowell, Zhisheng Yun, Gilles J. Benoit, Jo A. Etter
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Patent number: 11927783Abstract: Optical films, such as reflective polarizer films, and optical systems including the optical films are described. An optical system includes one or more optical lenses having at least one curved major surface, a partial reflector, and a reflective polarizer. For a substantially normally incident light in a predetermined wavelength range extending at least from about 450 nm to about 600 nm: the partial reflector has an average optical reflectance of at least 30%, and the reflective polarizer has an average optical reflectance Rs for a first polarization state, an average optical transmittance Tp for an orthogonal second polarization state, and an average optical reflectance Rp for the second polarization state, where Tp?80%, Rp?1%, and 50%?Rs?95%.Type: GrantFiled: July 11, 2019Date of Patent: March 12, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: John D. Le, Zhisheng Yun, Timothy L. Wong, Timothy J. Nevitt, Adam D. Haag, Arthur L. Kotz
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Patent number: 11925232Abstract: In some examples, a system (1900) includes a hearing protector (1920); at least one position sensor; at least one sound monitoring sensor; at least one computing device configured to: receive, from the at least one sound monitoring sensor and over a time duration, indications of sound levels to which a worker is exposed; determine, from the at least one position sensor and during the time duration, that the hearing protector is not positioned at one or more ears of the worker to attenuate the sound levels; and generate, in response to the determination that at least one of the sound levels satisfies an exposure threshold during the time duration and the hearing protector is not positioned at one or more ears of the worker to attenuate the sound levels, an indication for output.Type: GrantFiled: June 23, 2017Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventors: Steven T. Awiszus, Kiran S. Kanukurthy, Eric C. Lobner, Robert J. Quintero, Micayla A. Johnson, Madeleine E. Filloux, Caroline M. Ylitalo, Paul A. Martinson
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Patent number: D1018445Type: GrantFiled: December 2, 2021Date of Patent: March 19, 2024Assignee: 3M Innovative Properties CompanyInventors: Mark A. Yoder, Thomas C. Meier, William P. Atwood