% Expired Patents = 50.0

Forward Citations = 154

Loading Chart...

5 inventors (with patents filed for the assignee):

Charles L Sargent (8 out of 36 patents)

Daniel S Carter (7 out of 14 patents)

Shawn M McLaughlin (5 out of 5 patents)

4. John Kohlhauff (3 out of 3 patents)

5. Riku Ylipelkonen (2 out of 2 patents)

10 patents: Sort by Forward Citations

1. 7090055 - Boat lift brake apparatus (2006-08-15),

2. 6848379 - Adjustable boat lift stanchion (2005-02-01),

3. 6709197 - Large capacity boat lift (2004-03-23),

4. 6640736 - Synchronously driven, multiple cable boat lift (2003-11-04),

5. 6543375 - Solar powered boat lift (2003-04-08),

6. 6408776 - Synchronously driven, multiple cable boat lift (2002-06-25),

7. 6230639 - Single motor boat lift having horizontally and longitudinally driven cables (2001-05-15),

8. 5988941 - Boat lift cable lock apparatus (1999-11-23),

9. 5957623 - Electrically insulated positive drive boat lift (1999-09-28),

10. 5833417 - Adjustable clamping assembly (1998-11-10),

Company Overview

Quality Boat Lifts, Inc. specializes in the design and manufacturing of innovative boat lift systems, catering to the needs of boat owners and marinas. Based in Fort Myers, Florida, the company focuses on delivering high-quality, durable solutions that enhance the boating experience. Their product range includes various types of boat lifts, accessories, and custom solutions, emphasizing reliability and performance in marine environments. Quality Boat Lifts is committed to advancing technology in the marine industry, ensuring safety and convenience for users.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#9 in Fort Myers, FL

#878 in Florida

#29,882 in US

#56,092 in the World

Fort Myers, FL, United States of America

Quality Boat Lifts, Inc.

Forward Citations = 154

5 inventors:

Charles L Sargent (8 out of 36 patents)

Daniel S Carter (7 out of 14 patents)

Shawn M McLaughlin (5 out of 5 patents)

4. John Kohlhauff (3 out of 3 patents)

5. Riku Ylipelkonen (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Quality Boat Lifts, Inc.. Retrieved from https://idiyas.com/company/quality-boat-lifts

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]