% Expired Patents = 10.0

Forward Citations = 550

Loading Chart...

7 inventors (with patents filed for the assignee):

Kevin D J Bowden (6 out of 8 patents)

Ronald A Laswick (3 out of 4 patents)

Kevin D Bowden (3 out of 3 patents)

4. Tian X Zhao (2 out of 2 patents)

5. Helmut F Zauner (2 out of 3 patents)

6. Stephen Donald Flynn (1 out of 14 patents)

7. Tarek A Arafat (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 7207329 - Syringe and multi-dose inhaler adapter for a ventilator (2007-04-24),

2. 6792947 - Flow control valve for manual resuscitator devices (2004-09-21),

3. 6516800 - Neonatal patient ventilator circuit (2003-02-11),

4. 6374827 - Tracheo-esophageal tube and ventilator for pneumatic cardiopulmonary resuscitation (2002-04-23),

5. 6296490 - Ventilation training analyzer manikin (2001-10-02),

6. 6209579 - Low supply pressure alarm for gas supply (2001-04-03),

7. 6067022 - Low input pressure alarm for gas input (2000-05-23),

8. 6055981 - Automatic transport ventilator with monitoring alarms (2000-05-02),

9. 5520170 - Automatic resuscitator (1996-05-28),

10. 4622964 - Valve for breathing device (1986-11-18),

Company Overview

O-Two Systems International Inc., based in Mississauga, Canada, specializes in the development and manufacturing of advanced medical devices, particularly in the field of respiratory care. The company focuses on innovative solutions for emergency medical services and hospital environments, enhancing patient outcomes through effective oxygen delivery systems. O-Two is recognized for its commitment to quality and safety, contributing to the healthcare sector with reliable products designed to meet the needs of medical professionals worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#83 in Mississauga

#1,523 in Canada

#56,047 in the World

Mississauga, Canada

O-Two Systems International Inc.

Forward Citations = 550

7 inventors:

Kevin D J Bowden (6 out of 8 patents)

Ronald A Laswick (3 out of 4 patents)

Kevin D Bowden (3 out of 3 patents)

4. Tian X Zhao (2 out of 2 patents)

5. Helmut F Zauner (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: O-Two Systems International Inc.. Retrieved from https://idiyas.com/company/o-two-systems-international

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]