For the Inventor, By the Inventor

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Big Prairie, OH, United States of America

Sealand Technology, Inc.

USPTO Granted Patents = 36

% Expired Patents = 11.1

Trademarks = 6

Forward Citations = 320

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23 inventors (with patents filed for the assignee):

James A Sigler (23 out of 27 patents)

Edward F McKiernan (16 out of 19 patents)

William J Friedman (9 out of 10 patents)

4. Ronald J Bailey (5 out of 5 patents)

5. Lorna K Edmondson (3 out of 3 patents)

6. Richard W Sprang (3 out of 3 patents)

7. Kjell Dahlberg (2 out of 2 patents)

8. Sally A Kline (2 out of 2 patents)

9. Carl E Bochmann (2 out of 13 patents)

10. Fred Leroy Lint (2 out of 2 patents)

11. Pamela Kay Snyder (2 out of 2 patents)

12. Manfred Lorek (1 out of 12 patents)

13. Robert D Krieder (1 out of 9 patents)

14. Steven L Miko (1 out of 3 patents)

15. Randall Thomas (1 out of 2 patents)

Core Competencies:

Recreational Vehicle

Sanitary System

Vacuum Toilet

Holding Tank

Low Odor Hose

Portable Toilet

Air Pump

Vacuum Relief Valve

Pump Out Adaptor

Marine Sanitation

Discharge Hose

Pulsation Damper

36 patents: Sort by Forward Citations

1. 6957450 - Standardized recreational vehicle sanitary system (2005-10-25),

2. 6900417 - Hose heater (2005-05-31),

3. 6883188 - Toilet and method of operation (2005-04-26),

4. 6782563 - Vacuum tank construction (2004-08-31),

5. 6782561 - Standardized recreational vehicle sanitary system (2004-08-31),

6. 6618866 - Vacuum tank construction (2003-09-16),

7. 6397407 - Vacuum toilet system with single pump (2002-06-04),

8. 6374431 - Vacuum toilet system with single pump (2002-04-23),

9. 6234197 - Holding tank vacuum relief (2001-05-22),

10. 6216284 - Low odor permeable hose (2001-04-17),

11. 6212700 - Portable toilet unit (2001-04-10),

12. 6148860 - Low volume vacuum toilet assembly (2000-11-21),

13. 6082979 - Air pump for vacuum toilet systems (2000-07-04),

14. 6065493 - Vacuum relief valve for sewage holding tank (2000-05-23),

15. 5971005 - Vacuum adaptor for recreation vehicle toilet system with sliding (1999-10-26),

Company Overview

Sealand Technology, Inc. is a specialized firm based in Big Prairie, Ohio, focusing on the development and manufacturing of advanced technology solutions. The company is known for its expertise in areas such as automation, control systems, and innovative engineering applications. Sealand Technology serves a diverse range of industries, leveraging cutting-edge research to enhance operational efficiency and product performance. Its commitment to technological advancement positions it as a key player in the evolving landscape of engineering and manufacturing.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

36 Patents

#1 in Big Prairie, OH

#409 in Ohio

#9,509 in US

#18,730 in the World

Big Prairie, OH, United States of America

Sealand Technology, Inc.

Forward Citations = 320

23 inventors:

James A Sigler (23 out of 27 patents)

Edward F McKiernan (16 out of 19 patents)

William J Friedman (9 out of 10 patents)

4. Ronald J Bailey (5 out of 5 patents)

5. Lorna K Edmondson (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sealand Technology, Inc.. Retrieved from https://idiyas.com/company/sealand-technology

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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