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For the Inventor, By the Inventor

Salt Lake City, UT, United States of America

Willem J Kolff

This inventor holds 11 USPTO granted patents. Top assignee: University of Utah Research Foundation. Active years: 1980-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Willem J Kolff. Retrieved from https://idiyas.com/inventor/willem-j-kolff

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 11

Forward Citations = 487(Granted Patents)


Company Filing History:

goldMedal11 out of 1,687 
 
University of Utah Research Foundation
 patents

Years Active: 1980-1997

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11 patents (USPTO):Explore Patents
1. 5632623 - Mock circulation system (1997-05-27),
2. 5397349 - Muscle and air powered LVAD (1995-03-14),
3. 5306295 - Electrohydraulic heart with septum mounted pump (1994-04-26),
4. 5282849 - Ventricle assist device with volume displacement chamber (1994-02-01),
5. 4902291 - Collapsible artificial ventricle and pumping shell (1990-02-20),
6. 4838889 - Ventricular assist device and method of manufacture (1989-06-13),
7. 4663049 - Process for therapeutic dissociation of immune complexes and removal of (1987-05-05),
8. 4510628 - Artificial heart valve made by vacuum forming technique (1985-04-16),
9. 4473423 - Artificial heart valve made by vacuum forming technique (1984-09-25),
10. 4427470 - Vacuum molding technique for manufacturing a ventricular assist device (1984-01-24),
11. 4184497 - Peritoneal dialysis catheter (1980-01-22),

Title: The Innovative Contributions of Willem J Kolff

Introduction

Willem J Kolff is a prominent inventor based in Salt Lake City, UT (US), known for his significant contributions to medical technology. With a total of 11 patents, Kolff has made remarkable advancements in the field of circulatory systems and ventricular assist devices. His work has had a profound impact on the treatment of patients with heart conditions.

Latest Patents

Among his latest inventions is the Mock Circulation System, which features a collapsible housing designed to simulate the human circulatory system. This system includes a pair of artificial ventricles that pump fluid through the housing, allowing for the demonstration of various circulatory conditions. The invention also facilitates cardiac massage through manual manipulation of the artificial ventricles. Another notable patent is the Muscle and Air Powered LVAD, which provides ventricular assistance to patients with weak or nonfunctional hearts. This method utilizes a muscle-powered hydraulic pump, supplemented by a pneumatic system, to enhance the performance of the artificial ventricle.

Career Highlights

Kolff is affiliated with the University of Utah Research Foundation, where he continues to innovate and develop new medical technologies. His work has been instrumental in advancing the understanding and treatment of cardiovascular diseases.

Collaborations

Throughout his career, Kolff has collaborated with esteemed colleagues, including Stephen R Topaz and N Dan Bishop, contributing to a rich environment of innovation and research.

Conclusion

Willem J Kolff's contributions to medical technology, particularly in the areas of circulatory systems and ventricular assist devices, highlight his role as a leading inventor. His patents reflect a commitment to improving patient care and advancing medical science.

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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