For the Inventor, By the Inventor

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Pennington, NJ, United States of America

Ocean Power Technologies, Inc.

USPTO Granted Patents = 66

% Expired Patents = 24.2

CIPO Patents = 20

EPO Patents = 32

Trademarks = 5

Forward Citations = 1,589

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39 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),

Company Overview

Ocean Power Technologies, Inc. is a leader in wave energy conversion technology, headquartered in Pennington, NJ. The company specializes in developing innovative systems that harness the power of ocean waves to generate renewable energy. Its core technologies include wave energy converters, power take-off systems, buoy systems, and energy storage solutions. By focusing on energy harvesting and advanced mooring systems, Ocean Power Technologies aims to provide sustainable energy solutions that contribute to a cleaner environment and reduce reliance on fossil fuels.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

66 Patents

#1 in Pennington, NJ

#236 in New Jersey

#5,530 in US

#11,167 in the World

Pennington, NJ, United States of America

Ocean Power Technologies, Inc.

Forward Citations = 1,589

39 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ocean Power Technologies, Inc.. Retrieved from https://idiyas.com/company/ocean-power-technologies

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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