Robert Dwaine Butterfield

This inventor holds 96 USPTO granted patents and 4 published patent applications, plus 8 CIPO patents and 26 EPO patents, primarily in Infusion Pump Technology (CPC class 128672). Top assignees: Carefusion 303, Inc., Alaris Medical Systems, Inc., Ivac Corporation. Active years: 1987-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert Dwaine Butterfield. Retrieved from https://idiyas.com/inventor/robert-dwaine-butterfield

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

USPTO Granted Patents = 96 (Patent Applications = 4)

% Patents Active = 97.9

CIPO Patents = 8 (Patent Applications = 2)

EPO Patents = 26 (Patent Applications = 15)

Average Co-Inventor Count = 2.0

ph-index = 38

Forward Citations = 4,639(Granted Patents)

Forward Citations (Not Self Cited) = 4,288(Dec 10, 2025)

Inventors with similar research interests:

Location History:

San Diego, CA (US) (1987 - 2022)
Poway, CA (US) (1992 - 2024)

Company Filing History:

Alaris Medical Systems, Inc.

Cardinal Health 303, Inc.

patents

5. 3 out of 7

Ivac Medical Systems, Inc.

patents

6. 3 out of 1,496

Rutgers, The State University of New Jersey

8. 3 out of 834,513

Other

patents

Years Active: 1987-2026

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Areas of Expertise:

Infusion Pump

Occlusion Detection

Fluid Delivery

Flow Control

Monitoring Systems

Peristaltic Pump

IV Set

Pressure Limit Setting

Automated Therapy

Dual-Chamber Reservoir

Flow Characteristics

Wireless Communication

96 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12667664 - Systems and methods for controlling an infusion pump (2026-06-30),

2. 12512201 - Model-based infusion site monitor (2025-12-30),

3. 12491315 - Occlusion detection for infusion pumps (2025-12-09),

4. 12377212 - Monitoring upstream flow characteristics for a pump (2025-08-05),

5. 12070579 - Occlusion detection for infusion pumps (2024-08-27),

6. 11896796 - Disposable intravenous (IV) set with flow control valve (2024-02-13),

7. 11850395 - Syringe driver for infusion (2023-12-26),

8. 11771825 - Occlusion detection for infusion pumps (2023-10-03),

9. 11636937 - Model-based infusion site monitor (2023-04-25),

10. 11572871 - Low-force pumping segment (2023-02-07),

11. 11517671 - Systems and methods for controlling an infusion pump (2022-12-06),

12. 11351302 - Monitoring upstream flow characteristics for a pump (2022-06-07),

13. 11246981 - Drip chamber (2022-02-15),

14. 10837436 - System and method for improved flow uniformity in a peristaltic pump mechanism (2020-11-17),

15. 10792420 - Occlusion detection for infusion pumps (2020-10-06),

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**Title: The Inventive Journey of Robert Dwaine Butterfield**

Introduction:

Robert Dwaine Butterfield, a prolific inventor based in Poway, CA, has left a remarkable legacy in the field of medical devices with a total of 91 patents to his name.

Latest Patents:

One of his recent innovations is the 'Disposable intravenous (IV) set with flow control valve,' revolutionizing retrograde infusion techniques. Another notable patent is the 'Syringe driver for infusion,' designed to ensure a smooth and uninterrupted fluid delivery process.

Career Highlights:

Butterfield's career has been marked by significant contributions to renowned companies such as Carefusion 303, Inc. and Alaris Medical Systems, Inc., where he showcased his expertise in medical technology innovations.

Collaborations:

Throughout his career, Butterfield has collaborated with industry experts like Timothy W Vanderveen and Stephen A Martin, working together to bring cutting-edge medical devices to the market.

Conclusion:

Robert Dwaine Butterfield's innovative spirit and dedication to advancing medical technology have not only earned him numerous patents but have also solidified his reputation as a pioneering inventor in the field. His contributions continue to inspire future generations of inventors in the pursuit of groundbreaking advancements in healthcare technology.

Profile summary based on public USPTO records.