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 = 1,037

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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 Reduction

Low Sidelobe Antenna

Fiber Optic Sensor

Marine Steering System

Touchscreen Control Panel

Automatic RF Coupler

Signal Processing

Video Image Enhancement

Marine Autopilot

Target Range Detection

Optically Driven RF Generator

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),

Sperry Marine Inc. is a leading global provider of navigation and safety solutions for maritime industries. With over a century of experience, Sperry Marine offers a comprehensive range of products including radar systems, gyrocompasses, autopilots, steering systems, and voyage data recorders. They provide reliable and innovative solutions to enhance the safety and efficiency of vessels around the world. Visit their website to learn more about their extensive portfolio of advanced marine technology.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

49 Patents

#3 in Charlottesville, VA

#120 in Virginia

#6,909 in US

#13,852 in the World

Charlottesville, VA, United States of America

Sperry Marine Inc.

Forward Citations = 1,037

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)

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