A surface on a polymeric film having an array of patterned structures, wherein the array of patterned structures influences fluid flow of the surface and causes reduced attachment of a biological material.

An apparatus for protecting a floatation device includes an elongate body, the elongate body including a closed front end and an open back end, a securing mechanism removably attached to the open back end of the elongate body wherein the securing mechanism is configured to secure a floatation device in the elongate body. The apparatus for protecting a floatation device is useful for protecting a floatation device such as a pontoon on a watercraft. The apparatus for protecting a floatation device slides over the front end of the pontoon and is secured by a securing mechanism at the rear end of the pontoon to prevent the pontoon from coming into direct contact with rocky shores and docks.

The present invention relates to an anti algae flexible cover for watercraft enabled to prevent fouling from sediments and organisms on the surface of the craft during storage thereby, retaining the hydro-dynamic quality of the watercraft and is further enabled to adjust according to the shape of the water craft. This anti algae flexible cover prevents contact of the surface of the craft with the open water thereby preventing the deposition of solids and the growth of organisms on the covered surface area of the watercraft or boat.

The instant invention describes an anti-biofouling structure for placement onto structures or surfaces that are exposed to aquatic environments. Embedded within the anti-biofouling structure are agents that can diffuse out of the structure and prevent the formation and/or accumulation of plant and animal species build-up that creates biofouling. The instant invention also describes a system for preventing biofouling of an object stored in an aquatic environment which includes the anti-biofouling structure, and a protective cover element constructed and arranged to fit various structures, such as boat propellers.

The invention relates to a data processing method for identifying a medical instrument (5) which is configured to be tracked by means of a medical tracking system (4), wherein the method is designed to be executed by a computer and comprises the following steps:acquiring relative position and/or movement data which comprise relative position and/or movement information describing a relative position and/or movement between a calibration tool (1), which comprises at least one supporting surface (2), and the medical instrument (5) which is in contact with the side or edge of the at least one supporting surface (2), respectively;acquiring geometry data which comprise geometry information describing at least one geometrical feature for a plurality of candidate instruments;determining, on the basis of the relative position and/or movement data and the geometry data, candidate data which comprise candidate information describing at least one candidate instrument from the plurality of candidate instruments, the at least one geometrical feature of which would allow the relative position and/or movement between the medical instrument (5) and the calibration tool (1).

Disclosed are devices, methods and/or systems for use in protecting items and/or structures that are exposed to, submerged and/or partially submerged in aquatic environments from contamination and/or fouling due to the incursion and/or colonization by specific types and/or kinds of biologic organisms and/or plants, including the protection from micro- and/or macro-fouling for extended periods of time of exposure to aquatic environments.

The instant invention describes an anti-biofouling structure for placement onto structures or surfaces that are exposed to aquatic environments. Embedded within the anti-biofouling structure are agents that can diffuse out of the structure and prevent the formation and/or accumulation of plant and animal species build-up that creates biofouling. The instant invention also describes a system for preventing biofouling of an object stored in an aquatic environment which includes the anti-biofouling structure, and a protective cover element constructed and arranged to fit various structures, such as boat propellers.

Disclosed are devices, methods and/or systems for use in protecting items and/or structures that are exposed to, submerged and/or partially submerged in aquatic environments from contamination and/or fouling due to the incursion and/or colonization by specific types and/or kinds of biologic organisms and/or plants, including the protection from micro- and/or macro-fouling for extended periods of time of exposure to aquatic environments.