Prospect Heights, IL, United States of America

Donald K Sullivan

This inventor holds 17 USPTO granted patents, primarily in Marine Propulsion Systems. Top assignees: Outboard Marine Corporation, Other. Active years: 1984-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald K Sullivan. Retrieved from https://idiyas.com/inventor/donald-k-sullivan

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

Calculating rank

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 108(Granted Patents)

Location History:

Waukegan, IL (US) (1984 - 1990)
Arlington Heights, IL (US) (1987 - 1990)
Prospect Heights, IL (US) (1989 - 1995)
Ridgeland, SC (US) (1995)

Company Filing History:

16 out of 942

Outboard Marine Corporation

patents

1 out of 834,601

Other

patents

Years Active: 1984-1995

Loading Chart...

Areas of Expertise:

Outboard Motor

Four-Stroke Engine

Exhaust Gas Discharge

Vibration Isolation

Marine Propulsion

Power Steering

Stern Drive Unit

Hydraulic System

Counter-Rotation

Bellows Assembly

Water Supply System

Steering Mechanism

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5463990 - Outboard motor with four-stroke engine and exhaust gas discharge system (1995-11-07),

2. 5443406 - Vibration isolating mounting for outboard motor (1995-08-22),

3. 5407372 - Outboard motor cover assembly (1995-04-18),

4. 5083952 - Marine propulsion device exhaust system (1992-01-28),

5. 4976639 - Power steering mechanism for marine installations (1990-12-11),

6. 4950188 - Stern drive unit (1990-08-21),

7. 4938726 - Marine propulsion device bellows assembly (1990-07-03),

8. 4927391 - Shift means for marine propulsion device (1990-05-22),

9. 4850910 - Counter-rotation transmission (1989-07-25),

10. 4753619 - Marine propulsion device bellows assembly (1988-06-28),

11. 4699598 - Marine propulsion device water supply system (1987-10-13),

12. 4659315 - Hydraulic system for marine propulsion devices (1987-04-21),

13. 4654013 - Steering means for marine propulsion device (1987-03-31),

14. 4642058 - Hydraulic system for marine propulsion devices (1987-02-10),

15. 4579535 - Steering mechanism (1986-04-01),

Title: The Innovative Contributions of Donald K. Sullivan

Introduction

Donald K. Sullivan is a notable inventor based in Prospect Heights, IL (US), recognized for his significant contributions to the field of marine propulsion technology. With a total of 17 patents to his name, Sullivan has made remarkable advancements that enhance the performance and efficiency of outboard motors.

Latest Patents

Among his latest patents is an innovative outboard motor featuring a four-stroke engine and an advanced exhaust gas discharge system. This design includes a cylinder block with a lower horizontal drive shaft housing and a cylinder head that integrates combustion chambers and exhaust ports. Another notable patent is for a vibration isolating mounting system for outboard motors, which improves the stability and comfort of marine propulsion devices by utilizing rubber mount assemblies and a king pin assembly.

Career Highlights

Sullivan has had a distinguished career, working with reputable companies such as Outboard Marine Corporation. His work has significantly influenced the design and functionality of marine engines, contributing to the evolution of outboard motor technology.

Collaborations

Throughout his career, Sullivan has collaborated with esteemed colleagues, including Gerald F. Bland and Martin J. Mondek. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Donald K. Sullivan's inventive spirit and dedication to improving marine propulsion systems have left a lasting impact on the industry. His patents reflect a commitment to innovation that continues to shape the future of outboard motor technology.

Profile summary based on public USPTO records.

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]