Clifton A Alferness

Redmond, WA, United States of America

Clifton A Alferness

This inventor holds 131 USPTO granted patents and 29 published patent applications, plus 19 CIPO patents and 7 EPO patents, primarily in Medical Devices (CPC class 607-5). Top assignees: Acorn Cardiovascular, Inc., Incon-Trol Corp., Spiration, Inc.. Active years: 1976-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Clifton A Alferness. Retrieved from https://idiyas.com/inventor/clifton-a-alferness

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

USPTO Granted Patents = 131 

% Patents Active = 74.8

 

 

Average Co-Inventor Count = 2.1

ph-index = 56

Forward Citations = 10,142(Granted Patents)

Forward Citations (Not Self Cited) = 9,532(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Minneapolis, MN (US) (1976)
  • Woodinville, WA (US) (1978 - 1990)
  • Port Orchard, OR (US) (2012)
  • Olalla, VT (US) (2015)
  • Port Orchard, WA (US) (2010 - 2016)
  • Redmond, WA (US) (1992 - 2021)
  • Olalla, WA (US) (2016 - 2024)

Company Filing History:


Years Active: 1976-2026

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Areas of Expertise:
Suturing Apparatus
Shockwave Balloon Catheter
Tissue Fixation Devices
Anastomosis Formation
Transoral Endoscopic
Lung Volume Reduction
Infusion Device
One-Way Valve Devices
Cardiac Support Device
Blood Glucose Sampling
Tissue Resection Device
Organ Shape Modification
131 patents (USPTO):Explore Patents

Title: Clifton A Alferness: Innovations in Surgical Suturing and Anastomosis

Introduction:

Clifton A Alferness, based in Redmond, WA (US), is an accomplished inventor and pioneer in the field of surgical suturing and anastomosis. With a remarkable portfolio of 124 patents, Alferness has contributed significantly to advancements in surgical techniques and tools. This article aims to explore his latest patents, career highlights, and collaborations, highlighting the impact of his innovative work.

Latest Patents:

Alferness's most recent patents focus on developing innovative apparatuses, systems, and methods for facilitating suturing and anastomosis procedures. The following two noteworthy patents highlight his contributions:

1. Suturing Apparatus and Method:

This patented technology introduces an apparatus that comprises a frame, first and second rollers, and a drive mechanism. By counter-rotating the rollers, a helically-shaped needle can be revolved eccentrically, facilitating suture placement during surgical anastomosis procedures.

2. Full Eversion Anastomosis Juncture Formation and Suturing:

This patent presents an inventive mechanism for connecting bodily passages during anastomosis procedures. It involves an eversion mechanism creating a receiving flange and a donor support mechanism presenting a donor flange. A suturing mechanism then sutures the donor passage to the receiving passage, ensuring a secure and effective anatomical join.

Career Highlights:

Throughout his illustrious career, Clifton A Alferness has made significant contributions to the medical field. Some of his notable career highlights include:

1. Acorn Cardiovascular, Inc.:

Alferness worked for Acorn Cardiovascular, Inc., a leading medical device company specializing in cardiovascular technologies. His contributions to the company's innovations in surgical suturing and anastomosis have resulted in improved patient outcomes and advances in surgical techniques.

2. InControl Medical Corporation:

Alferness has also been associated with InControl Medical Corporation, an organization dedicated to developing innovative solutions for various medical conditions. Within this company, he has focused on furthering advancements in surgical suturing technologies, showcasing his expertise and commitment to the field.

Collaborations:

Clifton A Alferness has had the privilege of collaborating with several accomplished individuals in his career. Notably, he has worked closely with John Matthew Adams and John M Adams, both of whom have made significant contributions to the field of surgical innovations.

Conclusion:

Clifton A Alferness's extensive patent portfolio, innovative contributions, and collaborations highlight his expertise and dedication to enhancing surgical suturing and anastomosis procedures. His latest patents demonstrate his ability to envision novel solutions that improve surgical techniques, potentially leading to better patient outcomes. Alferness's career highlights and affiliations with reputable companies further solidify his impact in the medical field. With his unwavering commitment to innovation, Alferness continues to shape the future of surgical procedures, promoting progress and advancements in the healthcare industry.

Profile summary based on public USPTO records.
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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