For the Inventor, By the Inventor

Enter assignee name

Pennington, NJ, United States of America

Ocean Power Technologies, Inc.

USPTO Granted Patents = 66

% Expired Patents = 24.2

CIPO Patents = 20

EPO Patents = 31

Trademarks = 5

Forward Citations = 1,589

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40 inventors (with patents filed for the assignee):

David B Stewart (18 out of 21 patents)

James S Gerber (13 out of 13 patents)

George W Taylor (12 out of 18 patents)

4. Charles B Carroll (11 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. Thomas R Welsh (4 out of 4 patents)

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

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

11. James E Eder (3 out of 14 patents)

12. Diana Bull (3 out of 4 patents)

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

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

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

Core Competencies:

Wave Energy Converter

Power Take Off

Buoy Systems

Piezoelectric Generation

Electric Power Storage

Mooring Systems

Energy Harvesting

Hydraulic Spring

Control Systems

Voltage Conversion

Recharging Batteries

Reaction Mass

66 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 - Sep 22 2026

Ocean Power Technologies, Inc.

66 Patents

#1 in Pennington, NJ

#234 in New Jersey

#5,518 in US

#11,144 in the World

Pennington, NJ, United States of America

Ocean Power Technologies, Inc.

Forward Citations = 1,589

40 inventors:

David B Stewart (18 out of 21 patents)

James S Gerber (13 out of 13 patents)

George W Taylor (12 out of 18 patents)

4. Charles B Carroll (11 out of 12 patents)

5. Joseph Sarokhan (6 out of 6 patents)

Please report any incorrect information to [email protected]

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