For the Inventor, By the Inventor

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Charlottesville, VA, United States of America

Sperry Marine Inc.

USPTO Granted Patents = 49

Forward Citations = 1,046

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45 inventors (with patents filed for the assignee):

Lawrence H Gilligan (11 out of 15 patents)

David W Gerdt (10 out of 20 patents)

Thomas M Woolfolk (4 out of 4 patents)

4. Rebecca A Bird (3 out of 4 patents)

5. Clifford B Cantrell (3 out of 3 patents)

6. Gregory Schluge (3 out of 4 patents)

7. Mark J Baginski (3 out of 3 patents)

8. Johnny A Cornett (3 out of 3 patents)

9. Ernest S Gasser (3 out of 3 patents)

10. James D Halsey (3 out of 3 patents)

11. Jamil I Lahham (2 out of 3 patents)

12. Fred W Phillips (2 out of 2 patents)

13. Edmund S Zavada (2 out of 2 patents)

14. James D Corbett (2 out of 2 patents)

15. David A Bennett (2 out of 2 patents)

Core Competencies:

Panoramic Visual System

Vibration Noise Reducer

Antenna System

Fiber Optic Sensor

Marine Steering System

Automatic Pilot

Video Image Enhancement

Target Range Detector

Glare Reduction Shield

Signal Parameter Determination

Compass Rate-of-Turn Indicator

Radar Video Detector

49 patents: Sort by Forward Citations

1. 6731845 - Panoramic visual system for non-rotating structures (2004-05-04),

2. 6056259 - Tuned vibration noise reducer (2000-05-02),

3. 5754140 - Beam sharpened, low sidelobe antenna system (1998-05-19),

4. 5671191 - Variable coupler fiber optic sensor hydrophone (1997-09-23),

5. 5274273 - Method and apparatus for establishing a threshold with the use of a (1993-12-28),

6. 5267720 - Structureborne noise isolator (1993-12-07),

7. 5202695 - Orientation stabilization by software simulated stabilized platform (1993-04-13),

8. 5148175 - High resolution variable range gate generator with programmable timing (1992-09-15),

9. 5136669 - Variable ratio fiber optic coupler optical signal processing element (1992-08-04),

10. 5128688 - Mast translation and rotation drive system utilizing a ball drive screw (1992-07-07),

11. 5127069 - Automatic R. F. waveguide coupler (1992-06-30),

12. 5107424 - Configurable marine steering system (1992-04-21),

13. 5074309 - Device for monitoring cardiovascular signals and fiber optic coupler (1991-12-24),

14. 5053758 - Touchscreen control panel with sliding touch control (1991-10-01),

15. 5049887 - Target range detector with moving target indication (1991-09-17),

Company Overview

Sperry Marine Inc., based in Charlottesville, VA, specializes in advanced marine technology solutions. The company focuses on developing innovative systems such as panoramic visual systems, vibration noise reduction technologies, and low sidelobe antennas. Additionally, Sperry Marine is known for its expertise in fiber optic sensors, marine steering systems, and touchscreen control panels. Their commitment to enhancing maritime operations through cutting-edge signal processing and automatic RF couplers positions them as a leader in the marine technology sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

49 Patents

#3 in Charlottesville, VA

#117 in Virginia

#7,150 in US

#14,293 in the World

Charlottesville, VA, United States of America

Sperry Marine Inc.

Forward Citations = 1,046

45 inventors:

Lawrence H Gilligan (11 out of 15 patents)

David W Gerdt (10 out of 20 patents)

Thomas M Woolfolk (4 out of 4 patents)

4. Rebecca A Bird (3 out of 4 patents)

5. Clifford B Cantrell (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sperry Marine Inc.. Retrieved from https://idiyas.com/company/sperry-marine

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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