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Monroe Township, NJ, United States of America

Ocean Power Technologies, Inc.

USPTO Granted Patents = 64

CIPO Patents = 104

EPO Patents = 31

Trademarks = 9

Forward Citations = 1,498

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57 inventors (with patents filed for the assignee):

David B Stewart (18 out of 21 patents)

James S Gerber (12 out of 13 patents)

George W Taylor (11 out of 18 patents)

4. Charles B Carroll (10 out of 12 patents)

5. Joseph Sarokhan (6 out of 6 patents)

6. Paul J Smalser (6 out of 7 patents)

7. Joseph R Burns (5 out of 9 patents)

8. William Blaine Powers (4 out of 5 patents)

9. Michael Y Epstein (4 out of 4 patents)

10. James E Eder (3 out of 13 patents)

11. Diana Bull (3 out of 4 patents)

12. Mark R Draper (3 out of 5 patents)

13. Thomas R Welsh (3 out of 4 patents)

14. Philip R Hart (2 out of 2 patents)

15. Henry I Schanzer (2 out of 6 patents)

Core Competencies:

Wave Energy Converter

Electric Power Generation

Mooring Systems

Subsurface Marine Battery

Power Take Off System

Autonomous Buoys

Linear Electric Generators

Damping Plates

Reaction Mass Oscillator

High Voltage Conversion

Expandable Energy Conversion

Control Systems

64 patents: Sort by Forward Citations

1. 12420896 - Floating charging station for an electric boat (2025-09-23),

2. 11459997 - Wave energy converter including a dual-point absorber connected to an above-water installation via a linkage (2022-10-04),

3. 11258105 - Subsurface marine battery pack (2022-02-22),

4. 10938232 - High DC voltage to low DC voltage conversion apparatus including rechargeable batteries (2021-03-02),

5. 10933958 - Electric power generation and storage buoy (2021-03-02),

6. 10273930 - Power take off system for wave energy converter buoy (2019-04-30),

7. 9945348 - Ocean wave energy converter including control system for disabling active rectification when generator output power is less than a conversion loss (2018-04-17),

8. 9790913 - Pitch and heave driven wave energy converter system including cable supported reaction masses (2017-10-17),

9. 9222458 - Mooring anchor system for wave energy converters (WECS) (2015-12-29),

10. 9115686 - Wave energy converter with rotary hydraulic spring (2015-08-25),

11. 8904778 - Wave energy converter with asymmetrical float (2014-12-09),

12. 8869524 - Ball and socket power cable connector (2014-10-28),

13. 8763389 - Reaction mass and spring oscillator for wave energy converter (2014-07-01),

14. 8723355 - Autonomously operated buoys with power generation and power usage control (2014-05-13),

15. 8723351 - Multi-mode wave energy converter devices and systems (2014-05-13),

Ocean Power Technologies, Inc. (OPT) is a leading renewable energy company specializing in the development and commercialization of innovative wave energy converters. OPT's PowerBuoy® system harnesses the natural power of ocean waves to generate clean, sustainable electricity. With a focus on environmentally friendly solutions, OPT aims to make a lasting impact on the future of global energy production.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

64 Patents

#2 in

#5,441 in

#11,009 in the World

Monroe Township, NJ, United States of America

Ocean Power Technologies, Inc.

Forward Citations = 1,498

57 inventors:

David B Stewart (18 out of 21 patents)

James S Gerber (12 out of 13 patents)

George W Taylor (11 out of 18 patents)

4. Charles B Carroll (10 out of 12 patents)

5. Joseph Sarokhan (6 out of 6 patents)

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