Patents by Inventor Alf Johansson

Alf Johansson 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).

  • Patent number: 9055851
    Abstract: The present invention relates to a locking system for a drawer of a drawer dishwasher and a method for unlocking a drawer of a drawer dishwasher. The locking system includes a locking device for locking a drawer of the drawer dishwasher to a chassis or frame of the dishwasher; an opening attempt sensor for detecting an opening attempt of the drawer; and a control unit connected to the opening attempt sensor and the locking device. The control unit is arranged to trigger stop of a dishwasher pump of the dishwasher based on a detected opening attempt, and wherein the control unit is further arranged to trigger the locking device to unlock after the dishwasher pump has been stopped. Thereby, there is provided a reliable and safe way of opening the drawer during a washing program without the risk of hot water splashing out onto the user or onto the floor.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: June 16, 2015
    Assignee: Electrolux Home Products Corporation N.V.
    Inventor: Alf Johansson
  • Publication number: 20100212693
    Abstract: The present invention relates to a locking system for a drawer of a drawer dishwasher and a method for unlocking a drawer of a drawer dishwasher. The locking system includes a locking device for locking a drawer of the drawer dishwasher to a chassis or frame of the dishwasher; an opening attempt sensor for detecting an opening attempt of the drawer; and a control unit connected to the opening attempt sensor and the locking device. The control unit is arranged to trigger stop of a dishwasher pump of the dishwasher based on a detected opening attempt, and wherein the control unit is further arranged to trigger the locking device to unlock after the dishwasher pump has been stopped. Thereby, there is provided a reliable and safe way of opening the drawer during a washing program without the risk of hot water splashing out onto the user or onto the floor.
    Type: Application
    Filed: June 9, 2008
    Publication date: August 26, 2010
    Applicant: ELECTROLUX HOME PRODUCTS CORPORATION N.V.
    Inventor: Alf Johansson
  • Publication number: 20020148746
    Abstract: The invention relates to a packaging for a tool with sharp edge, said packaging comprising a suspension device (3). The packaging also comprises a protective sheath (1) and means for supporting the tool (2) in different positions on the sheath, including a first position adapted for sales exposure in which at least a major part of the tool is free of the sheath and exposed for inspection by a prospective buyer, and a second position in which the tool is inserted in the sheath and ready to be handled by a user.
    Type: Application
    Filed: March 19, 2002
    Publication date: October 17, 2002
    Inventors: Andreas Eriksson, Alf Johansson, Staffan Soderman, Staffan Garras, Staffan Lindberg, Bertil Bloom, Tord Englund
  • Patent number: 6425840
    Abstract: A differential gear for distribution of torque between a forward driven wheel shaft and a rear driven wheel shaft on a vehicle in which the rear wheel shaft can be raised has an input shaft (3) which via differential pinions (6) is in engagement with a rear differential wheel (7) connected to an output shaft (4). The input shaft (3) and the rear differential wheel (7) are mutually supported via a bearing (15) which transmits axial forces between them. This bearing is fitted with preloading to eliminate axial play.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: July 30, 2002
    Assignee: Scania CV Aktiebolag (publ)
    Inventor: Alf Johansson
  • Patent number: 6181022
    Abstract: A keyboard means in stationary control units (23) in a vehicle. The keys (24) thereof are arranged at an outer edge portion of the unit (23), which has the shape of a thin plate (23), which may be embraced in a pinching movement, preferably a pinching movement between the thumb and some finger. The keys may thus be pressed down from one side of the edge portion while supporting it from the opposite side by another finger. This results in very limited free forces against the unit during operation.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: January 30, 2001
    Assignee: Combitech Traffic Systems AB
    Inventors: Alf Johansson, Gunnar Lejonberg
  • Patent number: 5000617
    Abstract: The present invention relates to a store (1) for the storage of environmentally harmful substances (2), such as stable toxic compounds and long-lived nuclear materials, etc., which store comprises a number of cavities (6) in rock intended for holding the substances (2) in question, with a roof (8) above said cavities, and with the cavities (6)in question being surrounded by a hydraulic barrier (7). Amongst other things, the invention permits a passive dry store to be achieved. Holding cavities for storage are formed by drilled vertical holes (6) which extend down to a level (10) situated above a subjacent drainage and ventilation zone (11). The hydraulic barrier (7), which is displaced laterally in relation to the storage boreholes (6), and the ventilation holes (12) situtated to the side are connected to a subjacent drainage and ventilation zone (9).
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: March 19, 1991
    Inventors: Uwe Eggert, Ole M. Kvamsdal, Alf Johansson
  • Patent number: 4472702
    Abstract: A wedging device comprises at least two bodies which are movable in relation to each other, namely a first body having two diverging surfaces and a second body which is displaceable relative to the first body along one of its diverging surfaces. A heat-shrinkable casing, made for example from a tape, sheet or film of polymeric material, is arranged around the movable bodies of the device. When the device is heated, the casing shrinks, causing relative displacement between the first and second bodies and a consequent change in the outer dimensions of the device.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: September 18, 1984
    Assignee: Asea AB
    Inventors: Alf Johansson, Lars Johansson
  • Patent number: D461309
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: August 13, 2002
    Assignee: Kapman AB
    Inventors: Andreas Eriksson, Staffan Söderman, Staffan Lindberg, Tord Englund, Alf Johansson, Staffan Garras, Bertil Bloom