Stiftung Alfred-Wegener-Institut fuer Polar- und Meeresforschung Patent applications |
Patent application number | Title | Published |
20130210112 | BIOREMEDIATION METHOD FOR ACCELERATED BIOLOGICAL DECOMPOSITION OF PETROLEUM HYDROCARBONS IN SEA ICE-COVERED POLAR REGIONS, AND BACTERIA AND ENZYME MIXTURES AS AGENTS FOR CARRYING OUT SAID METHOD - A bacterial mixture usable in an inoculum usable in a bioremediateion method for accelerated biological degradation of petroleum hydrocarbons in a sea ice-covered polar region includes a plurality of isolated cold-adapted autochthonous bacterial strains. Each of the bacterial strains has petroleum hydrocarbons degrading activity at an ambient temperature of −3° C. and each has a different temperature tolerance range, a different salinity tolerance range, a different petroleum hydrocarbons degradation spectrum, and a different capacity to emulsify oil. | 08-15-2013 |
20130070079 | METHOD FOR AUTOMATED REAL-TIME ACQUISITION OF MARINE MAMMALS - A method for automated real-time acquisition of a marine mammal in a natural body of water in the surroundings of a vessel includes detecting a thermal signature of the marine mammal is detected by imaging thermographic scanning of a water surface with an infrared camera system so as to generate an image data stream of consecutive images. A modular processing of the image data stream is performed including performing an image pre-processing, detecting local changes in contrast in the images, classifying the detected local changes in contrast so as to detect a pattern of the thermal signature of the marine mammal, localizing the classified thermal signature of the marine mammal, verifying the classified, localized thermal signature of the marine mammal and documenting the classified, localized and verified thermal signature of the marine mammal. | 03-21-2013 |
20120096958 | WATER SAMPLING DEVICE - A water sampling device includes a mounting frame including two end plates disposed parallel to one another on a shaft. A multiple magazine is configured as a rotatable drum magazine that is horizontally disposed between the two end plates of the mounting frame. The multiple magazine includes a plurality of sample containers. Each of the sample containers has a first face and a second face. The first face includes a first axially arranged conical opening and a first positive locking cone forming an inlet valve. The second face includes a. second axially arranged conical opening and a second positive locking cone forming an outlet valve. Each of the positive locking ,cones is configured to shift axially relative to the respective conical opening so as to operate the respective inlet or outlet valve and so as to form a symmetrical annular gap in an open position of the respective valve. | 04-26-2012 |
20110140059 | DEVICE FOR THE USE OF TECHNICAL EQUIPMENT UNDERWATER - A device for using technical equipment underwater includes at least one guide rail configured to extend vertically underwater on an edifice from above a waterline. At least one device carriage is provided and includes a basic unit having a reception flange configured to couple the technical equipment thereto, and at least one running unit that abuts against the guide rail via guide rollers. A press-on unit is disposed on a first side of the device carriage and includes a lever pivotable on an axis of the device carriage so as to generate a pressing force of the device carriage against the guide rail. The lever includes a support roller at a first end and a weight packet at a second end so as to exert a downward drifting force underwater that is greater than a buoyancy of the device carriage. At least two spacers are each disposed at a first end on the at least one device carriage and abutting the edifice at a second end. A veering and hoisting device is detachably connectable with the device carriage via a coupling device, and is configured to control deployment and retrieval of the device carriage. | 06-16-2011 |
20110139083 | DEVICE FOR COLONIZING AND HARVESTING MARINE HARDGROUND ANIMALS - A device for colonizing and harvesting marine hardground animals in an underwater region of a ground-based offshore edifice includes at least one rail device configured to extend vertically on the offshore edifice along a height of the underwater region to above a waterline. The device also includes a netting array including a habitat carriage having a habitat and trapping basket that is adapted to contain the hardground animals. A lifting device is configured to move the netting array along the at least one rail device. Additionally, the device includes a scavenging carriage including a basic unit and a running unit that is configured to detachably couple the scavenging carriage with the at least one rail device so as to be movable thereon. The scavenging carriage is configured to detachably couple with the habitat carriage and the lifting device. | 06-16-2011 |
20110100804 | ELECTROCHEMICAL ANTIFOULING SYSTEM FOR SEAWATER-WETTED STRUCTURES - An electrochemical antifouling system for preventing fouling organisms from adhering to seawater-wetted structures includes a direct current circuit for creating an electrolytic environment in seawater, the direct current circuit having an adjustable direct current source, a lattice electrode having a single metallic component so as to provide a dimensionally stable lattice structure, the lattice electrode electrically insulated from a surface of a seawater-wetted structure, at least one corrosion-resistant counter electrode having polarity opposite to the lattice electrode and disposed at a distance therefrom, and a switching device configured to alternatively switch the lattice electrode to (a) a continuous operating mode, and (b) a temporary depletion mode, wherein the lattice electrode is disposed in a distance range from the surface of the seawater-wetted structure so that the surface lies within an area of influence of an increase in pH value of the seawater caused by electrolysis. | 05-05-2011 |
20100178664 | OPTICAL MEASUREMENT METHOD FOR DETERMINING THE PH OF A MEDIUM USING AGELADINE A AS A FLUORESCENT PH INDICATOR - An optical measurement method for determining a pH of a medium includes adding a fluorescent pH indicator to the medium. The pH indicator is based on naturally-obtained or synthesized ageladine A. The pH indicator is irradiated with light of at least one wavelength so as to provide fluorescence excitation of the pH indicator. An emitted fluorescence intensity of the pH indicator is detected as a measure for the pH of the medium. | 07-15-2010 |
20100051541 | BIOREMEDIATION METHOD FOR ACCELERATED BIOLOGICAL DECOMPOSITION OF PETROLEUM HYDROCARBONS IN SEA ICE-COVERED POLAR REGIONS, AND BACTERIA AND ENZYME MIXTURES AS AGENTS FOR CARRYING OUT SAID METHOD - A bioremediation method for accelerated biological degradation of petroleum hydrocarbons in a sea ice-covered polar region comprising contacting the petroleum hydrocarbons with an inoculum. The inoculum includes a bacterial mixture, nutrients, and an environmentally friendly carrier material. The bacterial mixture includes a plurality of cold-adapted autochthonous bacterial strains, wherein each of the bacterial strains are active at an ambient temperature of −3° C., and wherein each of the bacterial strains has a different temperature tolerance range, a different salinity tolerance range, a different degradation spectrum, and a different potential to emulsify oil. Bacteria of the bacterial strains are immobilized on the environmentally friendly carrier material. | 03-04-2010 |
20100020538 | REFLECTOR EMITTER - A reflector emitter includes a combination reflector having at least one elliptical concave mirror shaped as an ellipsoid of revolution section having first and second focal points disposed outside and inside of the ellipsoid of revolution section, respectively. The reflector emitter includes at least one light source at the second focal point. The ellipsoid of revolution section is formed as an ellipsoid of revolution that is cut between its center and the first focal point in a longitudinal section plane and in a cross-sectional plane. An aperture is provided above an other concave mirror having at least one focal point that coincides with the first focal point of the ellipsoid of revolution section. The other concave mirror is formed as a hollow body cut in a sectional plane through its focal point. This sectional plane and the longitudinal section plane of the ellipsoid of revolution section share a common plane of reference and the concave mirrors have opposing faces. | 01-28-2010 |
20090246335 | Method for processing ovulated eggs of aquatic animals into delicacy foods and ovulated eggs processed using the method - A method for processing ovulated eggs of an aquatic animal into delicacy foods. Ovulated eggs are harvested without harmful intervention of the aquatic animal. The harvested ovulated eggs are exogenously treated in an aqueous solution by adding at least one signal transduction molecule. Accordingly the membrane of the egg is physiologically stabilized by ovoperoxidase activation. The signal transduction molecule is naturally occurring in the egg cell. The eggs are then preserved. | 10-01-2009 |
20090188906 | HIGH-TEMPERATURE TUBE FURNACE FOR PYROLYSIS - A high-temperature tube furnace for pyrolysis includes a twin-hole ceramic tube including a pyrolysis capillary concentrically arranged within a sintering heat tube which is concentrically arranged within a thermally insulated tube housing. At least one heating tube holding element that is electrically insulative and high-temperature resistant is provided and includes at least three pins disposed radially about the sintering heating tube. Each pin is mounted to the tube housing via a clamp in such a way that the pins are adjustable in the radial direction so that the sintering heating tube is removably disposed between the tips of the pins. The sintering heating tube is connected to a voltage source for applying a heating current to thereto. | 07-30-2009 |