Patents by Inventor Leif Eriksson
Leif Eriksson 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: 10577333Abstract: According to the invention there is provided a compound of formula I, wherein R1 and R2 have meanings given in the description, which compounds are useful in the treatment of skin disorders and other diseases.Type: GrantFiled: February 10, 2017Date of Patent: March 3, 2020Assignee: C26 Bioscience ABInventors: Leif Eriksson, Allan Sirsjö, Åke Strid
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Publication number: 20190040020Abstract: According to the invention there is provided a compound of formula I, wherein R1 and R2 have meanings given in the description, which compounds are useful in the treatment of skin disorders and other diseases.Type: ApplicationFiled: February 10, 2017Publication date: February 7, 2019Inventors: Leif Eriksson, Allan Sirsjö, Åke Strid
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Publication number: 20170298732Abstract: A rock bolt to be embedded in a borehole and a method of manufacturing a rock bolt, the rock bolt including an extended energy-absorbing part, the first end of the energy-absorbing part including an anchor and the second end of the energy-absorbing part including a screw joint for prestressing the rock bolt. The rock bolt includes an extended tubular part with a jacket and a first end section and a second end section, with an internal dimension that is larger than the external dimension of the energy-absorbing part and arranged in such a manner that it surrounds the energy-absorbing part.Type: ApplicationFiled: September 22, 2015Publication date: October 19, 2017Applicant: Northern Mining Products ABInventors: Håkan Krekula, Leif Eriksson
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Patent number: 9051831Abstract: The present invention concerns a tubular rock bolt (1) that can be expanded by a pressurised medium, for insertion into a drilled hole (16) and comprising an extended tubular part (2) with a closed cross-section (12) and provided with a longitudinal stamped part (13) that increases in diameter during the expansion of the rock bolt (1) without the periphery of the tubular part (2) being bent, and an end section (17) at one end (15) of the rock bolt (1) and an end piece (19) arranged at the second end (18) of the rock bolt (1) and provided with a connection part (22) for interaction in a manner that can be released with an expansion means (23). The extended tubular part (2) comprises a reinforcement means (3) that extends internally inside the tubular part (2) between the end section (17) and the end piece (19) and that is attached at the end section (17) and the end piece (19). The invention concerns also the manufacture of a rock bolt.Type: GrantFiled: June 21, 2012Date of Patent: June 9, 2015Inventors: Hakan Krekula, Leif Eriksson
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Patent number: 8982141Abstract: There is disclosed apparatus and a computer implemented method for processing a digital image. The method comprises maintaining ordered cached digital images arranged in a predetermined order. The ordered cached digital images comprise a base digital image and a subsequent plurality of modified cached digital images. Each modified cached digital image is associated with an image modification category. Each subsequent modified cached digital image is generated by performing image modification operations relating to its respective image modification category on the immediately preceding cached image in accordance with the predetermined order.Type: GrantFiled: April 30, 2012Date of Patent: March 17, 2015Assignee: BlackBerry LimitedInventors: Maria Christina Nathalie Freyhult, Nils Johan Petter Montan, Nils Jonas Leif Eriksson
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Publication number: 20140119839Abstract: The present invention concerns a tubular rock bolt (1) that can be expanded by a pressurised medium, for insertion into a drilled hole (16) and comprising an extended tubular part (2) with a closed cross-section (12) and provided with a longitudinal stamped part (13) that increases in diameter during the expansion of the rock bolt (1) without the periphery of the tubular part (2) being bent, and an end section (17) at one end (15) of the rock bolt (1) and an end piece (19) arranged at the second end (18) of the rock bolt (1) and provided with a connection part (22) for interaction in a manner that can be released with an expansion means (23). The extended tubular part (2) comprises a reinforcement means (3) that extends internally inside the tubular part (2) between the end section (17) and the end piece (19) and that is attached at the end section (17) and the end piece (19). The invention concerns also the manufacture of a rock bolt.Type: ApplicationFiled: June 21, 2012Publication date: May 1, 2014Inventors: Hakan Krekula, Leif Eriksson
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Publication number: 20130286018Abstract: There is disclosed apparatus and a computer implemented method for processing a digital image. The method comprises maintaining ordered cached digital images arranged in a predetermined order. The ordered cached digital images comprise a base digital image and a subsequent plurality of modified cached digital images. Each modified cached digital image is associated with an image modification category. Each subsequent modified cached digital image is generated by performing image modification operations relating to its respective image modification category on the immediately preceding cached image in accordance with the predetermined order.Type: ApplicationFiled: April 30, 2012Publication date: October 31, 2013Applicant: RESEARCH IN MOTION LIMITEDInventors: Maria Christina Nathalie FREYHULT, Nils Johan Petter MONTAN, Nils Jonas Leif ERIKSSON
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Publication number: 20080053222Abstract: The invention comprises a single-use, self-contained measuring device, comprising a data entry- and sampling part including a sensor for measuring of physical or chemical property of a foreign substance and a data acquisition part including electronic processing- and storage means, where the parts are integral parts of a packaging, formed of a sheet-like, printable and foldable material, the packaging being designed to enclose and protect the parts contained therein. The packaging may also include various instruments needed to perform a test.Type: ApplicationFiled: April 10, 2007Publication date: March 6, 2008Applicant: CYPAK ABInventors: Jakob Ehrensvard, Leif Eriksson, Fredrik Einberg, James Jackson, Christer Bostrom
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Patent number: 7170409Abstract: A packaging and a method for monitoring a packaging (10) of a disposable material in a chain of logistics. As an integral part of the packaging, the packaging has an electronic module (12) comprising electric energy supply means, data processing means, data storage nonvolatile memory means for storing information related to the packaging, time keeping means, and data transceiver means for transmitting and receiving said information in communication with a host computer (30). The electronic module also has sensor means (14, 20) for detecting a changed physical condition of the packaging and for signaling information representing said changed physical condition to the electronic module (12) to be stored in the memory means together with a notation of time from the time keeping means.Type: GrantFiled: March 5, 2004Date of Patent: January 30, 2007Assignee: Cypak ABInventors: Jakob Ehrensvärd, Stina Ehrensvärd, Leif Eriksson, Fredrik Einberg
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Patent number: 6980782Abstract: An antenna device for transmitting and receiving radio frequency waves, installable in a communication device includes an antenna structure switchable between antenna configuration states. Each state is distinguished by a set of radiation parameters, such as resonance frequency, input impedance, bandwidth, radiation pattern, gain, polarization, and near-field pattern. A switching device selectively switches the structure between the states. The antenna device includes a first receiver which receives a first measured operation parameter indicative of quality of transmission of radio frequency waves by the antenna structure, and a second receiver which receives a second measured operation parameter indicative of quality of reception of radio frequency waves by the structure.Type: GrantFiled: November 15, 2000Date of Patent: December 27, 2005Assignee: AMC Centurion ABInventors: Christian Braun, Olov Edvardsson, Leif Eriksson
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Patent number: 6954180Abstract: An antenna device for transmitting and/or receiving electromagnetic radiation, installable in and connectable to a communication device, inlcudes an antenna structure switchable between a plurality of antenna configuration states. Each antenna configuration state is distinguished by a set of radiation parameters, such as resonance frequency, input impedance, bandwidth, radiation pattern, gain, polarization, and near-field pattern. Each of the plurality of antenna configuration states is adapted for use of the antenna device in the communication device in a respective predefined physical operation environment. A switching device selectively switches the antenna structure between the plurality of antenna configuration states.Type: GrantFiled: November 15, 2000Date of Patent: October 11, 2005Assignee: AMC Centurion ABInventors: Christian Braun, Olov Edvardsson, Leif Eriksson
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Patent number: 6917790Abstract: An antenna device for transmitting and receiving electromagnetic waves, wherein the antenna device includes a transmitter section and a receiver section. The receiver section includes a receiving antenna structure selectively switchable between a plurality of configuration states. The antenna structure may be switched by a switching device, which is controlled by a control device. The selective switching is effected based upon a first measure representing a reflection coefficient measured at the transmitter section. A method for transmitting and receiving electromagnetic waves includes receiving a measure representing a reflection coefficient and controlling a switching device to selectively switch an antenna structure between a plurality of antenna configuration states in response to the measure representing the reflection coefficient.Type: GrantFiled: November 15, 2000Date of Patent: July 12, 2005Assignee: AMC Centurion ABInventors: Christian Braun, Olov Edvardsson, Leif Eriksson
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Publication number: 20050011163Abstract: A packaging and a method for monitoring a packaging (10) of a disposable material in a chain of logistics. As an integral part of the packaging, the packaging has an electronic module (12) comprising electric energy supply means, data processing means, data storage nonvolatile memory means for storing information related to the packaging, time keeping means, and data transceiver means for transmitting and receiving said information in communication with a host computer (30). The electronic module also has sensor means (14, 20) for detecting a changed physical condition of the packaging and for signaling information representing said changed physical condition to the electronic module (12) to be stored in the memory means together with a notation of time from the time keeping means.Type: ApplicationFiled: March 5, 2004Publication date: January 20, 2005Inventors: Jakob Ehrensvard, Stina Ehrensvard, Leif Eriksson, Fredrik Einberg
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Patent number: 6392610Abstract: An antenna device for transmitting and/or receiving RF waves connectable to a radio communication device and including a radiating structure with at least two switchable antenna elements. At least one switching element, arranged in a central switching unit, selectively connects and disconnects the at least two switchable antenna elements. The at least two antenna elements can be individually switched between different coupling states by the central switching unit. The central switching unit has a control port for reception of control signals enabling the central switching unit to effect a centralized switching of said at least two switchable antenna elements.Type: GrantFiled: November 15, 2000Date of Patent: May 21, 2002Assignee: Allgon ABInventors: Christian Braun, Olov Edvardsson, Leif Eriksson, Liu Donghui
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Patent number: 6342869Abstract: An antenna device for transmitting and receiving RF waves in at least a first frequency band and adapted to be arranged in a radio communication device. The antenna device comprises a support structure (26), at least one radiating antenna portion (27) carried by the support structure, a circuit carried by the support structure for processing analogue RF signals tapped from or fed to the radiating antenna portion, and coupling means arranged for connecting the circuit to the radio communication device. A radiation shielding device (28) of an electrically conductive material surrounds the circuit at least partially, and the shielding device (28) is functionally integrated with the radiating antenna portion (27) and forms an actively radiating part thereof.Type: GrantFiled: May 3, 2000Date of Patent: January 29, 2002Assignee: Allgon A.B.Inventors: Olov Edvardsson, Christian Braun, Leif Eriksson, Hans Peter Kurz
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Patent number: 6131275Abstract: The present invention relates to a method for the parallel production of circuitry and software for a customised integrated circuit, primarily an ASIC-type circuit, mounted on a printed board assembly or circuit board (300). The method comprises connecting a programmable logic circuit (345) which replaces the customised integrated circuit during the development phase. The programmable logic circuit (345) is mounted on the secondary side of the circuit board (300) and its connections are passed through (330) the circuit board (300) to the circuits (305, 310) and components (320, 325) to which the customised integrated circuit will be connected.The invention also relates to a method and to a device respectively for developing and verifying customised integrated circuits per se. In this case, a programmable logic circuit designed as a logic analyser is mounted on the secondary side of the circuit board and connected to the customised integrated circuit through the board.Type: GrantFiled: December 18, 1997Date of Patent: October 17, 2000Assignee: Telefonaktiebolaget LM EricssonInventors: Leif Eriksson, Otto Johnsson
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Patent number: 5764064Abstract: A method and a device for identifying, when a fault has been detected in a power network, single-phase to ground faults by determining for each phase an auxiliary current based on the present phase current, ground fault current and ground current. If the difference between two consecutive, calculated values of the auxiliary current in some phase is smaller than a predetermined limit value, this means that there is a single ground fault in this phase.Type: GrantFiled: March 1, 1996Date of Patent: June 9, 1998Assignee: ASEA Brown Boveri ABInventors: Leif Eriksson, Murari Mohan Saha
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Patent number: 5727936Abstract: A rotary displacement compressor having an inlet channel for introducing low pressure gas, an outlet channel through which compressed gas escapes, and at least one rotor mounted in bearings and operating in a working space. The compressor includes a liquid injector for injecting liquid into the working space, a liquid separator provided in the outlet channel for separating liquid from the compressed gas, and a pressure liquid conduit connecting the liquid separator and the liquid injection port. A bearing lubrication circuit includes a tank, a pump, a supply conduit for supplying liquid from the pump to the bearings in which the rotor is mounted, a withdrawal conduit for withdrawing liquid from the bearings to the tank, and a pump inlet conduit for supplying liquid from the tank to the pump.Type: GrantFiled: December 10, 1996Date of Patent: March 17, 1998Assignee: Svenska Rotor Maskiner ABInventors: Leif Eriksson, Karlis Timuska
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Patent number: 5493228Abstract: A method and a device, after a fault has occurred in a power network, for measuring and recreating the phase currents I.sub.B prior to the occurrence of the fault by determining continuously, starting from sampled measured values of the phase currents up to the time of the fault for each phase, the amplitude I and the phase angle .phi. of the phase currents based on two consecutive sampled measured values, whereupon a comparison is made between the last determined value I.sub.k obtained and the rated current I.sub.n of the power network. If I.sub.k is greater than I.sub.n, it is considered that a fault has occurred and the phase currents prior to the fault are indicated as I.sub.B =I.sub.k-1 .multidot.sin (.phi..sub.k-1 +.omega.(t-t.sub.k-1)).Type: GrantFiled: September 23, 1994Date of Patent: February 20, 1996Assignee: ASEA Brown Boveri ABInventors: Leif Eriksson, Murari M. Saha
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Patent number: 5446387Abstract: A method and a device for determining the distance from a measuring station to a fault on a transmission line based on a fault model of a transmission network while taking into consideration the zero-sequence impedance and, where assuming a fault current, while taking into consideration the feeding of fault current to the fault point from both ends of the transmission line (FIG. 3 ).Type: GrantFiled: September 21, 1993Date of Patent: August 29, 1995Assignee: Asea Brown Boveri ABInventors: Leif Eriksson, Murari M. Saha