Patents by Inventor Rolf Hoffmann
Rolf Hoffmann 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).
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Patent number: 11865324Abstract: The invention relates to an injection device which includes a handle and a guard which together enclose a movable cartridge which can contain liquid material to be injected, and further enclose a movable injector that includes a needle, the needle being attached to a housing where the housing is attached to the cartridge, the device also including a delivery mechanism whereby the needle is moved from a retracted to an extended position, and independently the volume of the chamber may be adjusted to expel the contents thereof through the needle and into a subject in need thereof. The injection device may be communicatively connected to a control unit so as to provide a dermal injection system.Type: GrantFiled: May 24, 2021Date of Patent: January 9, 2024Assignee: RepliCel Life Sciences Inc.Inventors: Rolf Hoffmann, Martin Hohlrieder
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Publication number: 20220313923Abstract: The invention relates to an injection device. Exemplary embodiments of the invention comprise an application element, an injection needle, an injection needle housing, a drive system for the injection movement, and a retraction system. In exemplary embodiments, a substance is injected during the retraction movement of the injection needle.Type: ApplicationFiled: April 18, 2022Publication date: October 6, 2022Inventors: Rolf HOFFMANN, Martin HOHLRIEDER
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Patent number: 11311684Abstract: The invention relates to an injection device. Exemplary embodiments of the invention comprise an application element, an injection needle, an injection needle housing, a drive system for the injection movement, and a retraction system. In exemplary embodiments, a substance is injected during the retraction movement of the injection needle.Type: GrantFiled: October 4, 2019Date of Patent: April 26, 2022Assignee: REPLICEL LIFE SCIENCESInventors: Rolf Hoffmann, Martin Hohlrieder
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Publication number: 20210346611Abstract: The invention relates to an injection device which includes a handle and a guard which together enclose a movable cartridge which can contain liquid material to be injected, and further enclose a movable injector that includes a needle, the needle being attached to a housing where the housing is attached to the cartridge, the device also including a delivery mechanism whereby the needle is moved from a retracted to an extended position, and independently the volume of the chamber may be adjusted to expel the contents thereof through the needle and into a subject in need thereof. The injection device may be communicatively connected to a control unit so as to provide a dermal injection system.Type: ApplicationFiled: May 24, 2021Publication date: November 11, 2021Inventors: Rolf Hoffmann, Martin Hohlrieder
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Patent number: 11045612Abstract: The invention relates to an injection device which includes a handle and a guard which together enclose a movable cartridge which can contain liquid material to be injected, and further enclose a movable injector that includes a needle, the needle being attached to a housing where the housing is attached to the cartridge, the device also including a delivery mechanism whereby the needle is moved from a retracted to an extended position, and independently the volume of the chamber may be adjusted to expel the contents thereof through the needle and into a subject in need thereof. The injection device may be communicatively connected to a control unit so as to provide a dermal injection system.Type: GrantFiled: August 6, 2015Date of Patent: June 29, 2021Assignee: RepliCEL Life Sciences Inc.Inventors: Rolf Hoffmann, Martin Hohlrieder
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Patent number: 11018074Abstract: Apparatus for providing electrical energy, in particular for providing electrical energy from a heat flow originating from an electric motor, including a first component part, a second component part, wherein a Peltier element is arranged between the first component part and the second component part, said Peltier element being at least partially surrounded by a layer of insulation provided between the first component part and the second component part, with the result that the Peltier element forms a thermal bridge between the first and the second component parts, and wherein the first and the second component parts are selected from the following group: gear mechanism, motor and adapter plate.Type: GrantFiled: March 28, 2019Date of Patent: May 25, 2021Assignee: Wittenstein SEInventors: Jürgen Schuster, Rolf Hoffmann
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Publication number: 20210106628Abstract: The present invention relates to compositions and methods utilizing hair follicle derived Non-Bulbar Dermal Sheath cells for use in the treatment of skin.Type: ApplicationFiled: June 25, 2020Publication date: April 15, 2021Inventors: Rolf Hoffmann, Kevin John McElwee
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Publication number: 20200316309Abstract: The invention relates to an injection device. Exemplary embodiments of the invention comprise an application element, an injection needle, an injection needle housing, a drive system for the injection movement, and a retraction system. In exemplary embodiments, a substance is injected during the retraction movement of the injection needle.Type: ApplicationFiled: October 4, 2019Publication date: October 8, 2020Inventors: Rolf HOFFMANN, Martin HOHLRIEDER
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Patent number: 10626973Abstract: Drive having a commutated electric motor (10), having a coaxial gearing (20) which is connected to the electric motor (10) and which comprises: an internal gear with an internal toothing (5); a tooth carrier (11) in which there are received a multiplicity of teeth (7) for engagement with the internal toothing, wherein the teeth are mounted so as to be radially displaceable relative to the tooth carrier (11) in the longitudinal direction of the teeth (7); a drive-input element with a profiling (22) for the radial drive of the radially displaceably mounted teeth (7), and having a gearing rotary encoder (30) which is connected to the drive output (25) of the gearing (20), wherein the gearing rotary encoder (30) is arranged and designed to detect a drive-output angular position and to output said drive-output angular position as a drive-output angle signal (?).Type: GrantFiled: April 8, 2016Date of Patent: April 21, 2020Assignee: Wittenstein SEInventors: Tobias Burger, Rolf Hoffmann, Philippe Isabey
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Publication number: 20190388476Abstract: The present invention relates to compositions and methods utilizing hair follicle derived Non-Bulbar Dermal Sheath cells for use in the treatment or prevention of the tendon injuries.Type: ApplicationFiled: April 29, 2019Publication date: December 26, 2019Inventors: Rolf Hoffmann, Kevin John McElwee
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Patent number: 10500233Abstract: Briefly stated, the present invention provides compositions and methods for treating or preventing joint injuries utilizing hair follicle derived Non-Bulbar Dermal Sheath (“NDBS”) cells. Within one aspect of the invention methods are provided for isolating NBDS cells, comprising the steps of: (a) preparing vital hair; (b) cleaving the hair prepared in step (a) to remove the hair follicle bulb; (c) isolating Non-Bulbar Dermal Sheath tissue; and (d) cultivating the isolated Non-Bulbar Dermal sheath tissue to produce NBDS cells. Within one embodiment of the invention the vital hair is obtained by full skin biopsy from the occipital scalp of a subject.Type: GrantFiled: February 12, 2015Date of Patent: December 10, 2019Assignee: RepliCel Life Sciences Inc.Inventors: Rolf Hoffmann, Kevin John McElwee
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Patent number: 10463806Abstract: The invention relates to an injection device. Exemplary embodiments of the invention comprise an application element, an injection needle, an injection needle housing, a drive system for the injection movement, and a retraction system. In exemplary embodiments, a substance is injected during the retraction movement of the injection needle.Type: GrantFiled: April 7, 2017Date of Patent: November 5, 2019Assignee: REPLICEL LIFE SCIENCESInventors: Rolf Hoffmann, Martin Hohlrieder
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Publication number: 20190304868Abstract: Apparatus for providing electrical energy, in particular for providing electrical energy from a heat flow originating from an electric motor, including a first component part, a second component part, wherein a Peltier element is arranged between the first component part and the second component part, said Peltier element being at least partially surrounded by a layer of insulation provided between the first component part and the second component part, with the result that the Peltier element forms a thermal bridge between the first and the second component parts, and wherein the first and the second component parts are selected from the following group: gear mechanism, motor and adapter plate.Type: ApplicationFiled: March 28, 2019Publication date: October 3, 2019Inventors: Jürgen Schuster, Rolf Hoffmann
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Patent number: 10272118Abstract: The present invention relates to compositions and methods utilizing hair follicle derived Non-Bulbar Dermal Sheath cells for use in the treatment or prevention of the tendon injuries.Type: GrantFiled: February 12, 2014Date of Patent: April 30, 2019Assignee: RepliCel Life Sciences Inc.Inventors: Rolf Hoffmann, Kevin John McElwee
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Publication number: 20180021523Abstract: The invention relates to an injection device. Exemplary embodiments of the invention comprise an application element, an injection needle, an injection needle housing, a drive system for the injection movement, and a retraction system. In exemplary embodiments, a substance is injected during the retraction movement of the injection needle.Type: ApplicationFiled: April 7, 2017Publication date: January 25, 2018Inventors: Rolf HOFFMANN, Martin HOHLRIEDER
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Publication number: 20170224935Abstract: The invention relates to an injection device which includes a handle and a guard which together enclose a movable cartridge which can contain liquid material to be injected, and further enclose a movable injector that includes a needle, the needle being attached to a housing where the housing is attached to the cartridge, the device also including a delivery mechanism whereby the needle is moved from a retracted to an extended position, and independently the volume of the chamber may be adjusted to expel the contents thereof through the needle and into a subject in need thereof. The injection device may be communicatively connected to a control unit so as to provide a dermal injection system.Type: ApplicationFiled: August 6, 2015Publication date: August 10, 2017Applicant: REPLICEL LIFE SCIENCES INC.Inventors: Rolf Hoffmann, Martin Hohlrieder
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Publication number: 20170173084Abstract: Briefly stated, the present invention provides compositions and methods for treating or preventing joint injuries utilizing hair follicle derived Non-Bulbar Dermal Sheath (“NDBS”) cells. Within one aspect of the invention methods are provided for isolating NBDS cells, comprising the steps of: (a) preparing vital hair; (b) cleaving the hair prepared in step (a) to remove the hair follicle bulb; (c) isolating Non-Bulbar Dermal Sheath tissue; and (d) cultivating the isolated Non-Bulbar Dermal sheath tissue to produce NBDS cells. Within one embodiment of the invention the vital hair is obtained by full skin biopsy from the occipital scalp of a subject.Type: ApplicationFiled: February 12, 2015Publication date: June 22, 2017Applicant: REPLICEL LIFE SCIENCES INC.Inventors: Rolf Hoffmann, Kevin John McElwee
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Publication number: 20170165299Abstract: The present invention relates to compositions and methods utilizing hair follicle derived Non-Bulbar Dermal Sheath cells for use in the treatment of dental-related conditions, including the treatment of gingivitis. Briefly stated, the present invention provides compositions and methods for treating or preventing a wide variety of conditions associated with the oral cavity, including for example, periodontal disease and a variety of diseases or injuries associated with the gingiva utilizing hair follicle derived Non-Bulbar Dermal Sheath (“NDBS”) cells. Within one aspect of the invention methods are provided for isolating NBDS cells, comprising the steps of: preparing vital hair and cleaving the hair.Type: ApplicationFiled: February 12, 2015Publication date: June 15, 2017Applicant: REPLICEL LIFE SCIENCES INC.Inventors: Rolf Hoffmann, Kevin John McElwee
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Patent number: 9616182Abstract: The invention relates to an injection device. Exemplary embodiments of the invention comprise an application element, an injection needle, an injection needle housing, a drive system for the injection movement, and a retraction system. In exemplary embodiments, a substance is injected during the retraction movement of the injection needle.Type: GrantFiled: January 31, 2013Date of Patent: April 11, 2017Assignee: REPLICEL LIFE SCIENCESInventors: Rolf Hoffmann, Martin Hohlrieder
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Publication number: 20160298749Abstract: Drive having a commutated electric motor (10), having a coaxial gearing (20) which is connected to the electric motor (10) and which comprises: an internal gear with an internal toothing (5); a tooth carrier (11) in which there are received a multiplicity of teeth (7) for engagement with the internal toothing, wherein the teeth are mounted so as to be radially displaceable relative to the tooth carrier (11) in the longitudinal direction of the teeth (7); a drive-input element with a profiling (22) for the radial drive of the radially displaceably mounted teeth (7), and having a gearing rotary encoder (30) which is connected to the drive output (25) of the gearing (20), wherein the gearing rotary encoder (30) is arranged and designed to detect a drive-output angular position and to output said drive-output angular position as a drive-output angle signal (?).Type: ApplicationFiled: April 8, 2016Publication date: October 13, 2016Applicant: WITTENSTEIN AGInventors: Tobias Burger, Rolf Hoffmann, Philippe Isabey