US innovation records
Selected US patent grants and published applications matched to companies in the directory. Coverage is partial; publication records do not verify current ownership.
Matched patent publications
Updated Oct 2, 2026
CSV includes every matching result across all pages, filing dates, classification codes, abstracts when available, and source links. These are selected publications; they do not establish current ownership or legal status.
OCEAN POWER TECHNOLOGIES, INC. / Utility patent grant
A system for charging electric vehicles on or near water includes a charging station and a shore station. The charging station comprises an aquatic …
Ocean Power Technologies, Inc. / Utility patent grant
A dual-point absorber includes a first buoy, a second buoy, and a power take-off. The first buoy of the dual-point absorber is connected to …
Ocean Power Technologies, Inc. / Utility patent grant
A subsurface battery system includes a ballast mass at the seafloor, a deep-sea electronics module, having an interface to seafloor payloads, and a subsurface …
Ocean Power Technologies, Inc. / Utility patent grant
A system includes a fuel burner disposed within a buoy, and at least one fuel tank coupled to the fuel burner. The fuel tank …
OCEAN POWER TECHNOLOGIES, INC. / Utility patent grant
A buffered power transfer apparatus includes rechargeable batteries. The buffered power transfer apparatus is used on demand to convert high voltage DC to low …
Ocean Power Technologies, Inc. / Utility patent grant
A power-take-off system for use in a wave energy converter buoy employs a meshing nut and screw shaft assembly for motion conversion. That is, …
Ocean Power Technologies, Inc. / Utility patent grant
An electric generator driven by a source of variable energy produces at its output an alternating current (AC) output voltage and current which is …
Ocean Power Technologies, Inc. / Utility patent grant
A wave energy converter (WEC) buoy includes at least one pitch-driven WEC (“PDWEC”) device. Each PDWEC device includes two reaction masses which are placed …
OCEAN POWER TECHNOLOGIES, INC. / Utility patent grant
A mooring system for a plurality of wave energy converters (WECs) includes a multiplicity of anchors coupled to form an array of contiguous hexagonal …
OCEAN POWER TECHNOLOGIES, INC. / Utility patent grant
The generally up and down movement of a reaction mass is converted into rotary motion which is used to drive a rotary hydraulic spring …
Ocean Power Technologies, Inc / Utility patent grant
A wave energy converter (WEC) having an asymmetrically shaped float and a spar which move relative to each other in response to the waves. …
Ocean Power Technologies, Inc / Utility patent grant
Apparatus for connecting a power cable to a marine vessel which is subject to pitch, heave, roll and yaw motion includes a ball and …
Ocean Power Technologies, Inc. / Utility patent grant
A reaction mass and a spring are configured to form an "oscillator". The reaction mass is coupled to, and can wrap around, a first …
Ocean Power Technologies / Utility patent grant
Apparatus, intended to be deployed in a body of water, includes a payload comprised of a multiplicity of different electronic and electromechanical loads and …
Ocean Power Technologies, Inc / Utility patent grant
A wave energy converter (WEC) system includes WEC devices which can function to produce useful energy (power) efficiently in response to heave motion and/or …
Ocean Power Technologies, Inc. / Utility patent grant
A wave energy converter (WEC) system includes first and second bodies which can move relative to each other in response to waves and a …
Ocean Power Technologies, Inc. / Utility patent grant
A wave energy converter (WEC) includes a float tending to move in phase with the waves, a spar tending to move out of phase …
Ocean Power Technologies, Inc. / Utility patent grant
A wave energy converter (WEC) includes a float and a spar for guiding the up and down movement of the float in response to …
Ocean Power Technologies, Inc. / Utility patent grant
A float structure for a WEC is designed to have a tapered underside to reduce the impact due to wave slam and bending moments …
Ocean Power Technologies, Inc. / Utility patent grant
A wave energy converter (WEC) includes a float which moves generally in phase with the waves and whose up and down motion is guided …
Ocean Power Technologies, Inc. / Utility patent grant
For protecting surface floating wave energy converters (WEC's) against surface turbulence, the WEC's are removed from the water surface. For reducing the force required, …
Ocean Power Technologies, Inc. / Utility patent grant
For reducing the number of anchors required for mooring a plurality of WECs in a body of water, the WECs are arrayed in two …
Ocean Power Technologies, Inc. / Utility patent grant
A wave energy converter (WEC) system includes a shell containing an internal oscillator comprised of a reaction mass suspended from the shell by an …
Ocean Power Technologies, Inc. / Utility patent grant
A cellular communication system includes an array of buoys disposed in a body of water. Each buoy includes a completer cellular system including a …
Ocean Power Technologies, Inc / Utility patent grant
For reducing the number of components required for mooring (by means of three, 120.degree. spaced apart mooring lines) multiple floating wave energy converters (WECs), …
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