Patents by Inventor Lech Rowinski

Lech Rowinski 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).

  • Free fall submersible life saving device for offshore structures
    Patent number: 4822311
    Abstract: A free fall, submersible life saving device for an offshore structure has a spherical pressure shell in a casing. The upper part of the device has a lifting frame and at least one manhole closed with a cover and the lower part has ballast, an anchor, and a windlass 5 for the anchor rope having automatic control of the tension in the anchor rope. The device is launched by a catapult on the offshore structure for horizontal movement in free fall to the water surface, where it submerges and is anchored until resurfacing, by release of the anchor, for rescue.
    Type: Grant
    Filed: December 15, 1987
    Date of Patent: April 18, 1989
    Assignee: Politechnika Gdanska
    Inventors: Jerzy W. Doerffer, Lech Rowinski, Andrzej Niepieklo, Jan Klopocki, Boguslaw Siwek