Patents by Inventor Per Lofving

Per Lofving 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).

  • Publication number: 20230094241
    Abstract: A parallel assembly of chromatography column modules connected in a rigid housing the assembly having one common assembly inlet and one common assembly outlet each column module comprising a bed space filled with chromatography medium and each column module comprises integrated fluid conduits which when the column module is connected with other column modules in the rigid housing are adapted to connect the bed space of the column module with the assembly inlet and the assembly outlet wherein the total length and/or volume of the fluid conduit from the assembly inlet to one bed space together with the length and/or volume of the fluid conduit from the same bed space to the assembly outlet is substantially the same for all bed spaces and modules installed in the parallel assembly.
    Type: Application
    Filed: November 17, 2022
    Publication date: March 30, 2023
    Inventors: Klaus Gebauer, Manoj Kumar Ramakrishna, Daniel Salomonsson, Per Lofving
  • Publication number: 20230088907
    Abstract: Method for a base station communicating with a plurality of User Entities, UE, according to a Time Division Duplex, TDD, access scheme via antennas, the base station being adapted for receiving Scheduling Requests, SRs, from the UEs, a SR indicating a request for scheduling an uplink transmission from a UE. The base station is communicating over a plurality of antennas associated with respective wide beams and narrow beams, a plurality of wide beams covering respective areas, whereby for each wide beam at least one narrow beam form a joint area with a wide beam. The TDD scheme involving at least a Physical Uplink Scheduling Control Channel, PUSCH and comprises periodically appearing SR occasions, the base station being adapted for receiving and decoding a transmission from a UE and establishing whether a SR from at least one UE is received in a periodic occasion.
    Type: Application
    Filed: January 20, 2021
    Publication date: March 23, 2023
    Inventors: Jan LINDSKOG, Per LÖFVING, Pär ANKEL, Bin JIANG
  • Publication number: 20220407673
    Abstract: Method for a User Entity, UE, being adapted to transmit uplink data according to a NR TDD scheme, with a NR bases station, gNB, the UE being further adapted to transmit HARQ-ACK information, being an ACK or a NACK for received data on a downlink channel and a Scheduling Request, SR, may be provided comprising an indication of data or no data to be pending for transmittal on the up-link. The method comprises-establishing if HARQ-ACK info is available in a slot (203),-establishing if an SR-PUCCH is present in the slot (204),-if no SR-PUCCH present in the slot, generating (208) a SR,-appending (209) the SR to the HARQ-ACK,-transmitting (211) the SR appended to the HARQ-ACK.
    Type: Application
    Filed: November 18, 2020
    Publication date: December 22, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Per LÖFVING, Pär ANKEL, Jan LINDSKOG, Robert BALDEMAIR, Claes TIESTAV
  • Patent number: 11529570
    Abstract: A parallel assembly (2; 11; 51) of chromatography column modules (3a,b,c; 13a,b,c; 53a,b,c, 90a, b) connected in a rigid housing (21; 61), the assembly having one common assembly inlet (15; 55) and one common assembly outlet (17; 57), each column module comprising a bed space (29) filled with chromatography medium and each column module comprises integrated fluid conduits which when the column module is connected with other column modules in the rigid housing are adapted to connect the bed space (29) of the column module with the assembly inlet (15; 55) and the assembly outlet (17; 57), wherein the total length and/or volume of the fluid conduit from the assembly inlet to one bed space together with the length and/or volume of the fluid conduit from the same bed space to the assembly outlet is substantially the same for all bed spaces and modules installed in the parallel assembly.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: December 20, 2022
    Assignee: Cytiva BioProcess R&D AB
    Inventors: Klaus Gebauer, Manoj Kumar Ramakrishna, Daniel Salomonsson, Per Lofving
  • Publication number: 20210077920
    Abstract: A parallel assembly (2; 11; 51) of chromatography column modules (3a,b,c; 13a,b,c; 53a,b,c, 90a, b) connected in a rigid housing (21; 61), the assembly having one common assembly inlet (15; 55) and one common assembly outlet (17; 57), each column module comprising a bed space (29) filled with chromatography medium and each column module comprises integrated fluid conduits which when the column module is connected with other column modules in the rigid housing are adapted to connect the bed space (29) of the column module with the assembly inlet (15; 55) and the assembly outlet (17; 57), wherein the total length and/or volume of the fluid conduit from the assembly inlet to one bed space together with the length and/or volume of the fluid conduit from the same bed space to the assembly outlet is substantially the same for all bed spaces and modules installed in the parallel assembly.
    Type: Application
    Filed: November 24, 2020
    Publication date: March 18, 2021
    Inventors: Klaus Gebauer, Manoj Kumar Ramakrishna, Daniel Salomonsson, Per Lofving
  • Patent number: 10940403
    Abstract: A parallel assembly (2; 11; 51) of chromatography column modules (3a,b,c; 13a,b,c; 53a,b,c, 90a, b) connected in a rigid housing (21; 61), the assembly having one common assembly inlet (15; 55) and one common assembly outlet (17; 57), each column module comprising a bed space (29) filled with chromatography medium and each column module comprises integrated fluid conduits which when the column module is connected with other column modules in the rigid housing are adapted to connect the bed space (29) of the column module with the assembly inlet (15; 55) and the assembly outlet (17; 57), wherein the total length and/or volume of the fluid conduit from the assembly inlet to one bed space together with the length and/or volume of the fluid conduit from the same bed space to the assembly outlet is substantially the same for all bed spaces and modules installed in the parallel assembly.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: March 9, 2021
    Assignee: Cytiva BioProcess R&D AB
    Inventors: Klaus Gebauer, Manoj Kumar Ramakrishna, Daniel Salomonsson, Per Lofving
  • Patent number: 10391422
    Abstract: A chromatography column having a longitudinal axis and comprising a column wall with a first end and a second end, a first end plate assembly removably connectable to said first end of the column wall, a second end plate assembly removably connectable to said second end of the column wall, wherein said first end plate assembly, said column wall and said second end plate assembly are arranged along the longitudinal axis of the column wherein the column wall, and/or first end plate assembly and/or second end plate assembly is/are rotatable about an axis of rotation wherein said axis of rotation is parallel to the longitudinal axis of said column and positioned outside the column.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: August 27, 2019
    Assignee: GE HEALTHCARE BIO-SCIENCES AB
    Inventors: Per Lofving, Mats Olsson, Sven Wounder, Jerker Persson
  • Patent number: 9687756
    Abstract: A method for conducting maintenance on a chromatography column (1; 51), said column comprising a column tube (32), a top end cell (20) and a bottom end cell (26), where during chromatography said column tube (32) is secured between said top end cell (20) and said bottom end cell (26). Said method comprises the step of rotating at least the top end cell (20) 180 degrees around a horizontal axis before maintenance is conducted to the top end cell (20).
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: June 27, 2017
    Assignee: GE Healthcare Bio-Sciences AB
    Inventors: Per Lofving, Kyril Dambuleff, John Davis
  • Publication number: 20160214032
    Abstract: A chromatography column having a longitudinal axis and comprising a column wall with a first end and a second end, a first end plate assembly removably connectable to said first end of the column wall, a second end plate assembly removably connectable to said second end of the column wall, wherein said first end plate assembly, said column wall and said second end plate assembly are arranged along the longitudinal axis of the column wherein the column wall, and/or first end plate assembly and/or second end plate assembly is/are rotatable about an axis of rotation wherein said axis of rotation is parallel to the longitudinal axis of said column and positioned outside the column.
    Type: Application
    Filed: April 4, 2016
    Publication date: July 28, 2016
    Inventors: PER LOFVING, MATS OLSSON, SVEN WOUNDER, JERKER PERSSON
  • Patent number: 9302202
    Abstract: A chromatography column having a longitudinal axis and comprising a column wall with a first end and a second end, a first end plate assembly removably connectable to said first end of the column wall, a second end plate assembly removably connectable to said second end of the column wall, wherein said first end plate assembly, said column wall and said second end plate assembly are arranged along the longitudinal axis of the column wherein the column wall, and/or first end plate assembly and/or second end plate assembly is/are rotatable about an axis of rotation wherein said axis of rotation is parallel to the longitudinal axis of said column and positioned outside the column.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: April 5, 2016
    Assignee: GE Healthcare Bio-Sciences AB
    Inventors: Per Lofving, Mats Olsson, Sven Wounder, Jerker Persson
  • Patent number: 8971254
    Abstract: A network node is disclosed that communicates with a user equipment node in a communications system. The network node repetitively transmits first uplink transmission power control, TPC, commands on a first physical channel with a first channel configuration while repetitively transmitting second uplink TPC commands on a second physical channel with a second channel configuration. The first and second uplink TPC commands control uplink transmission power from the user equipment node to the network node. Related user equipment nodes and methods are disclosed.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: March 3, 2015
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Göran Kronquist, Anders Aström, Per Löfving
  • Publication number: 20140284260
    Abstract: A chromatography column having a longitudinal axis and comprising a column wall with a first end and a second end, a first end plate assembly removably connectable to said first end of the column wall, a second end plate assembly removably connectable to said second end of the column wall, wherein said first end plate assembly, said column wall and said second end plate assembly are arranged along the longitudinal axis of the column wherein the column wall, and/or first end plate assembly and/or second end plate assembly is/are rotatable about an axis of rotation wherein said axis of rotation is parallel to the longitudinal axis of said column and positioned outside the column
    Type: Application
    Filed: June 4, 2014
    Publication date: September 25, 2014
    Applicant: GE HEALTHCARE BIO-SCIENCES AB
    Inventors: PER LOFVING, MATS OLSSON, SVEN WOUNDER, JERKER PERSSON
  • Publication number: 20130308585
    Abstract: A network node is disclosed that communicates with a user equipment node in a communications system. The network node repetitively transmits first uplink transmission power control, TPC, commands on a first physical channel with a first channel configuration while repetitively transmitting second uplink TPC commands on a second physical channel with a second channel configuration. The first and second uplink TPC commands control uplink transmission power from the user equipment node to the network node. Related user equipment nodes and methods are disclosed.
    Type: Application
    Filed: July 26, 2013
    Publication date: November 21, 2013
    Applicant: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Göran Kronquist, Anders Aström, Per Löfving
  • Patent number: 8520622
    Abstract: A network node is disclosed that communicates with a user equipment node in a communications system. The network node repetitively transmits first uplink transmission power control, TPC, commands on a first physical channel with a first channel configuration while repetitively transmitting second uplink TPC commands on a second physical channel with a second channel configuration. The first and second uplink TPC commands control uplink transmission power from the user equipment node to the network node. Related user equipment nodes and methods are disclosed.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: August 27, 2013
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Goran Kronquist, Anders Astrom, Per Lofving
  • Publication number: 20130010704
    Abstract: A network node is disclosed that communicates with a user equipment node in a communications system. The network node repetitively transmits first uplink transmission power control, TPC, commands on a first physical channel with a first channel configuration while repetitively transmitting second uplink TPC commands on a second physical channel with a second channel configuration. The first and second uplink TPC commands control uplink transmission power from the user equipment node to the network node. Related user equipment nodes and methods are disclosed.
    Type: Application
    Filed: July 6, 2011
    Publication date: January 10, 2013
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Göran Kronquist, Anders ASTRÖM, Per LÖFVING
  • Patent number: 6336032
    Abstract: The phase of a transmitted signal is regulated in a device which is part of a system for electromagnetic signal transmission. The transmitted signal has periods when it contains information and periods when it does not contain information. The modulation position of a phase shifter which has a linear and a non-linear range is controlled. Power of the signal is amplified. Unwanted phase shifts in the signal transmitted by the device caused within the power amplifier are detected, and the information content of the signal is detected. The phase shifter is reset to a particular predetermined modulation position in the event of detection of the absence of information in the signal. The predetermined modulation position to which the phase shifter is reset is preferably situated within the linear range of the phase shifter.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: January 1, 2002
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Johan Bergman, Per Löfving, Jan Robert Hedström, Thorsten Kraus
  • Publication number: 20010012765
    Abstract: The invention relates to a method and an arrangement for controlling the total transmitted power in a mobile telephony system with a multiplicity of carrier waves, a multi-carrier system, in which system each carrier wave included has a defined output power at certain known points in time. The invention is characterized in that it comprises measuring the mean power (Pm) of the combined transmitted signal of the carrier waves in the system at points in time when the respective output power of the carrier waves is defined, calculating the desired mean power of the combined transmitted signal of the carrier waves in the system, and controlling the power of the combined transmitted signal to a desired mean power.
    Type: Application
    Filed: January 25, 2001
    Publication date: August 9, 2001
    Inventors: Jonas Noreus, Mats Hogberg, Per Lofving
  • Patent number: 6148217
    Abstract: The present invention discloses a method for quickly and easily adjusting the gain of an antenna system. According to an exemplary embodiment of the present invention, the output power of the base station's antenna system is adjusted during the base station's installation process. In the adjustment procedure, the output power of the base station is set to a predetermined value. When a switch is closed, the output power of the base station's associated active antenna system is measured and compared to a stored reference value. If the comparison indicates that the measured output power is above or below the stored reference value, the attenuation of the antenna system is automatically changed in order to properly adjust the gain of the antenna system. The present invention facilitates base station installation by providing a fast and easy gain adjustment method which requires no intervention from the base station or telephone network.
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: November 14, 2000
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventors: Ulf Skarby, Kristian Lindskog, Per Lofving