For the Inventor, By the Inventor

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San Diego, CA, United States of America

Ivac Corporation

USPTO Granted Patents = 120

Trademarks = 2

Forward Citations = 8,398

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96 inventors (with patents filed for the assignee):

Stephen H O'Leary (12 out of 16 patents)

Robert Dwaine Butterfield (12 out of 96 patents)

Joseph J Manno (11 out of 41 patents)

4. Stephen A Martin (8 out of 17 patents)

5. Adib G Daoud (8 out of 20 patents)

6. Heinz W Georgi (7 out of 7 patents)

7. Wallace L Knute (6 out of 16 patents)

8. Robert J Rosati (5 out of 28 patents)

9. Donald L Millerd (5 out of 15 patents)

10. Fred W Bacher (5 out of 5 patents)

11. Richard M Bucchianeri (5 out of 5 patents)

12. Jack Goldberg (4 out of 15 patents)

13. Ronald S Conero (4 out of 8 patents)

14. Michael P DeFrank (4 out of 7 patents)

15. Kenneth J Pytel (4 out of 6 patents)

Core Competencies:

Infusion Pump

Flow Control Valve

Air-in-Line Sensor

Fluid Monitoring

Needleless Connector

Syringe Plunger Driver

Tonometry System

Drug Delivery Device

Fluid Delivery System

Occlusion Detection

Thermal Measurement

Electrochemical Cell

120 patents: Sort by Forward Citations

1. 5709534 - IV fluid delivery system (1998-01-20),

2. 5568912 - Sliding flow controller having channel with variable size groove (1996-10-29),

3. 5549577 - Needleless connector (1996-08-27),

4. 5549460 - IV fluid delivery system (1996-08-27),

5. 5545140 - Syringe plunger driver (1996-08-13),

6. 5542826 - Fluid delivery system with mounting linkage (1996-08-06),

7. 5537853 - Air-in-line sensing apparatus (1996-07-23),

8. 5534691 - System for determining pumping mechanism position while limiting volume (1996-07-09),

9. D371194 - Pumping segment for use with an infusion pump (1996-06-25),

10. 5513957 - IV fluid delivery system (1996-05-07),

11. 5499906 - IV fluid delivery system (1996-03-19),

12. D367528 - Dual channel infusion pump (1996-02-27),

13. D367527 - Single channel infusion pump (1996-02-27),

14. 5489265 - Restrictor fitting for an infusion pump (1996-02-06),

15. 5455565 - Fluid monitor system and method using a resonator (1995-10-03),

IVAC Corporation is a global leader in the manufacture and distribution of innovative industrial vacuum systems. With over 30 years of industry experience, our cutting-edge products and solutions are trusted by clients worldwide. We offer a wide range of advanced vacuum technologies, including pneumatic vacuum conveyors, portable vacuum units, and centralized vacuum systems. Our solutions are designed to provide efficient and reliable vacuum cleaning and material handling solutions for various industries such as pharmaceutical, food processing, manufacturing, and more. At IVAC, we are committed to delivering top-quality products, exceptional customer service, and customized solutions that cater to specific business needs.

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Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

120 Patents

#48 in San Diego, CA

#724 in California

#3,208 in US

#6,627 in the World

San Diego, CA, United States of America

Ivac Corporation

Forward Citations = 8,398

96 inventors:

Stephen H O'Leary (12 out of 16 patents)

Robert Dwaine Butterfield (12 out of 96 patents)

Joseph J Manno (11 out of 41 patents)

4. Stephen A Martin (8 out of 17 patents)

5. Adib G Daoud (8 out of 20 patents)

Please report any incorrect information to [email protected]

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