Patents by Inventor Leo Koppelomaki

Leo Koppelomaki 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: 5444899
    Abstract: A yieldable safety connection including a male portion (20) insertable into a female portion (30) for separation therefrom when both portions are subjected to counter-directed traction forces exceeding a certain magnitude. The male portion (20) includes a fork-like device (40) including a first arm (21) and a second arm (22), while the female portion (30) includes a first material portion (31) and a second material portion (32) between which the fork-like device of the male portion is located when the male portion has been inserted in the female portion. Both arms of the male portion and both material portions of the female portion are provided with locking devices (23, 24; and 33, 34, respectively), which are provided with abutment surfaces (43, 44 and 73, 74 respectively) oriented at an oblique angle in relation to the major direction of the traction forces.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: August 29, 1995
    Assignee: Lars Brandel
    Inventor: Leo Koppelomaki
  • Patent number: 4611552
    Abstract: A boarding step is disclosed for mounting on a towing ring (9) fixedly disposed on the stem (19) of a pleasure craft, for facilitating the stepping into and out of the craft. The boarding step comprises two carrier arms (1) which at their portions (4) which are urged against the craft and have rubber coatings, and which, at their outer ends, are provided with a horizontal tread platform (2). The tread platform has, on its underface, an adjustment rail (5) with a number of alternative pivotal anchorage points (14) for a support strut (6) which, at its end facing the craft, is provided with a pivotal, U-shaped abutment portion (7) urged against the stem (19) of the craft. The support strut has a number of alternative anchorage points (11) for a bolt (10) which also engages with the ring (9) fixed in the stem and which, on tightening, urges the boarding step to a positionally-fixing frictional engagement with the craft. An adjustable stay (15) extends between the carrier arms and the support strut.
    Type: Grant
    Filed: October 23, 1984
    Date of Patent: September 16, 1986
    Inventor: Leo Koppelomaki
  • Patent number: 4099026
    Abstract: A loudspeaker system for vehicles wherein a monolithic, elongated element including end portions thereof constituting loudspeaker cabinets. The elongated element is preferably designed in such a way that it has a close fit against the ceiling of the vehicle in which the loudspeaker system is to be mounted, whereby the elongated element can have an open upper end facing the ceiling.
    Type: Grant
    Filed: March 18, 1977
    Date of Patent: July 4, 1978
    Inventors: Per Persson, Leo Koppelomaki
  • Patent number: D250711
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: January 2, 1979
    Inventors: Per Persson, Leo Koppelomaki
  • Patent number: D297835
    Type: Grant
    Filed: October 15, 1984
    Date of Patent: September 27, 1988
    Inventor: Leo Koppelomaki