Patents by Inventor Knud Rasmussen

Knud Rasmussen 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).

  • Cabinet frame
    Patent number: 6428127
    Abstract: A cabinet having at least one door (5), in particular an electrical cabinet, comprising a framework made up of right angled metal profiles (1) which are mutually connected by use of corner members (2) having fastening elements (7) inserted in cavities in the profiles, whereby each profile is symmetrical about a plane in 45° relatively to two of the main directions of the cabinet and comprises two grooves (14) situated symmetrically about said plane, for sealing strips (12), said grooves (14) being directed outwardly from the interior of the cabinet, whereby the sealing strips (12) are in engagement with external wall panels, and whereby the bottom (11) of each groove (14) is situated inwardly of a respective profile wall (9) which delimits the profile towards the interior of the cabinet.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: August 6, 2002
    Inventor: Knud Rasmussen
  • Boom, particularly a spreading boom for suspension on an outer frame of an agricultural tool, such as an agricultural vehicle
    Patent number: 5168872
    Abstract: A boom, particularly a spreading boom for suspension on an outer frame (1) of an agricultural tool and of the type in which the suspension device comprises spring suspension and shock absorbing devices in the form of a trapezoidal suspension with two substantially parallel beams of which one is connected to the outer frame (1). According to the invention the upper beam of the trapezoidal suspension is linked, each of the links (6, 7) being pivotally connected to the outer frame (1) and springs (12) being arranged on both sides of the linkage (20, 21), but on the other side of the center of suspension (8, 9). The individual spring (12) is arranged between one of said links (6, 7) and a separate beam fastened to the outer frame (1).
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: December 8, 1992
    Assignee: Hardi International A/S
    Inventors: Knud Rasmussen, Steen Tolboll
  • Earth retaining wall of vertically stacked chevron shaped concrete blocks
    Patent number: 4193718
    Abstract: An earth retaining wall formed by stacked, alternately staggered rows of spaced, nesting, chevron-shaped concrete blocks. Adjacent blocks in some rows are coupled together by connecting tubes extending into holes through the blocks, and elongated anchoring devices are connected to the tubes and extend horizontally into the earth. Alternatively, the anchoring devices may be concrete extensions integrally moulded with the blocks.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: March 18, 1980
    Assignee: SF-Vollverbundstein-Kooperation GmbH
    Inventors: York A. Wahrendorf, Herbert K. Frenzel, Adolf K. Ambrosch, Knud A. Rasmussen, Horst Seibert, Horst J. Dieckmann
  • Concrete paving stone and method of manufacturing same
    Patent number: 4127349
    Abstract: A concrete paving stone having single flags held together with a number of concrete ribs between adjacent stones such that the ribs will resist breaking during ordinary handling but will break upon the application of vibration after the paving stone is laid on a level sand bed to thereby provide a number of unconnected flags.
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: November 28, 1978
    Assignee: SF-Sten A/S
    Inventor: Knud A. Rasmussen
  • Boom, particularly a spreading boom for suspension on an outer frame of an agricultural tool, such as an agricultural vehicle
    Patent number: RE35690
    Abstract: A boom, particularly a spreading boom for suspension on an outer frame (1) of an agricultural tool and of the type in which the suspension device comprises spring suspension and shock absorbing devices in the form of a trapezoidal suspension with two substantially parallel beams of which one is connected to the outer frame (1). According to the invention the upper beam of the trapezoidal suspension is linked, each of the links (6, 7) being pivotally connected to the outer frame (1) and springs (12) being arranged on both sides of the linkage (20, 21), but on the other side of the center of suspension (8, 9). The individual spring (12) is arranged between one of said links (6, 7) and a separate beam fastened to the outer frame (1).
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: December 16, 1997
    Assignee: Hardi, Inc.
    Inventors: Knud Rasmussen, deceased, Steen T.o slashed.lb.o slashed.ll