Featured patents

Marine Vessel Propulsion Device
US 08814614 B2, Aug. 26, 2014, Means to Control the Supply of Energy Responsive to a Sensed Condition, Takayoshi Suzuki et al. / Yamaha Hatsudoki Kabushiki Kaisha (Shizuoka, JP)
A marine vessel propulsion device comprising:…

Thruster Unit and Method for Installation of a Thruster Unit
US 08814617 B2, Aug. 26, 2014, Hull channel, Ole Arnt Marholm et al. / Rolls-Royce Marine AS (Ulsteinvik, NO)
A vessel comprising:…

Marine Vessel Propulsion Apparatus
US 08690618 B2, April 8, 2014, With means effecting or facilitating movement of propulsion unit or a segment of the propulsion unit, Hiroaki Takase / Yamaha Hatsudoki Kabushiki Kaisha (Shizuoka, JP)
A marine vessel propulsion apparatus comprising:…

Waterjet Propulsion System and Method for a Marine Vehicle
US 08668533 B2, March 11, 2014, Means to Control the Supply of Energy Responsive to a Sensed Condition, Philip Rolla / Twin Disc, Inc. (Racine, US)
A drive for a marine craft comprising:…

Jet Propulsion Unit for a Watercraft
US 08608522 B2, Dec. 17, 2013, Pivoted outlet, Gilbert Lefrancois et al. / Consortium de Recherche BRP-Universite de Sherbrooke S.E.N.C. (Valcourt, CA)
A jet propulsion unit comprising:…

Water Flow Limiting System for a Boat Including a Water Flow Limiting Plate Positioned Relative to Propeller Shaft and Propeller of a Boat for Limiting Water Flow to the Propeller
US 08585450 B2, Nov. 19, 2013, Having means to control flow around propeller, James P. von Wolske
A water flow limiting system for mounting to a boat having a bottom…

Circumferential Ring Propulsors and Control Assemblies for Manned or Unmanned Underwater Vehicles
US 08585451 B2, Nov. 19, 2013, Propeller arrangement, Eric Bleicken
A propulsor system for an underwater vehicle having a hull, the system…

Retaining Structure for Honeycomb Structure and Marine Propulsion Device
US 08535106 B2, Sept. 17, 2013, Water cooling exhaust, Koichi Nakayama et al. / Yamaha Hatsudoki Kabushiki Kaisha (Shizuoka, JP)
A retaining structure for a honeycomb structure, comprising:…

Floating Transom
US 08523620 B2, Sept. 3, 2013, With means effecting or facilitating movement of propulsion unit or a segment of the propulsion unit, Dwayne Ray Hopkins
A Floating Transom adapted to be mounted on a transom of a boat comprising…

Vessel Propulsion System for Watercraft
US 08517785 B2, Aug. 27, 2013, Cooling for engine, Andreas Schröter et al. / Siemens Aktiengesellschaft (Munich, DE)
A vessel propulsion system for watercraft, comprising:…

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