Pacific Palisades, CA, United States of America

Harlan C Amstutz

This inventor holds 6 USPTO granted patents. Top assignees: University of California, Other. Active years: 1978-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harlan C Amstutz. Retrieved from https://idiyas.com/inventor/harlan-c-amstutz

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 6

Forward Citations = 1,006(Granted Patents)


Company Filing History:


Years Active: 1978-2000

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6 patents (USPTO):Explore Patents

Title: Harlan C Amstutz: Innovator in Hip Joint Replacement Technology

Introduction

Harlan C Amstutz is a notable inventor based in Pacific Palisades, CA (US). He has made significant contributions to the field of orthopedic surgery, particularly in hip joint replacement methods. With a total of 6 patents to his name, Amstutz has developed innovative techniques that enhance the effectiveness and precision of hip replacements.

Latest Patents

Among his latest patents is the "Precision hip joint replacement method." This method involves a metal-to-metal surface hip joint replacement technique that includes forming a hard metallic spherical femoral surface replacement prosthesis. The prosthesis features a central tapered stem and a mating metallic socket prosthesis, with strict tolerances for sphericity and spacing. Additionally, the method incorporates the use of a centrally located guide pin and various tools for accurate positioning and chamfering.

Another significant patent is the "Acetabular cup prosthesis insertion and removal assembly and technique." This assembly includes a bayonet coupler designed to hold the acetabular cup securely during insertion. It features a holder-driver member with an enlarged head for receiving impacts and a securing member that applies a biasing force to ensure proper placement. An alignment guide assembly is also included to facilitate accurate placement of the acetabular cup.

Career Highlights

Harlan C Amstutz has had a distinguished career, working with reputable institutions such as the University of California. His work has focused on advancing orthopedic surgical techniques, particularly in hip joint replacements. His innovative approaches have contributed to improved patient outcomes and surgical efficiency.

Collaborations

Amstutz has collaborated with notable professionals in the field, including J Michael Kabo and Ian C Clarke. These collaborations have further enriched his research and development efforts in orthopedic technology.

Conclusion

Harlan C Amstutz is a pioneering inventor whose work in hip joint replacement technology has made a lasting impact on orthopedic surgery. His innovative patents and collaborations reflect his commitment to improving surgical techniques and patient care.

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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