Longmont, CO, United States of America

John R Twomey

This inventor holds 72 USPTO granted patents and 10 published patent applications, plus 5 CIPO patents and 16 EPO patents, primarily in Surgical Instruments (CPC class A61B). Top assignees: Covidien LP, Tyco Healthcare Group LP, Merit Medical Systems, Inc.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John R Twomey. Retrieved from https://idiyas.com/inventor/john-r-twomey

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

USPTO Granted Patents = 72 

% Patents Active = 79.2

 

 

Average Co-Inventor Count = 2.2

ph-index = 27

Forward Citations = 10,464(Granted Patents)

Forward Citations (Not Self Cited) = 9,885(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Golden Valley, MN (US) (2010)
  • Superior, CO (US) (2010 - 2019)
  • Longmont, CO (US) (2014 - 2024)

Company Filing History:


Years Active: 2010-2026

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Areas of Expertise:
Electrosurgical Device
Surgical Forceps
Tissue Specimen Removal
Colpotomy System
Mechanical Fuse
Surgical Tissue Sealer
Trigger Lockout
Gap Control
Rotational Cutting
Disposable Assembly
Tonsillectomy Tool
Adenoidectomy Procedure
72 patents (USPTO):Explore Patents

Title: Innovations of John R. Twomey: A Pioneer in Surgical Instrumentation

Introduction

John R. Twomey, a prominent inventor based in Longmont, Colorado, is recognized for his significant contributions to the field of surgical instruments. With a remarkable portfolio of 65 patents, Twomey's inventions play a crucial role in advancing medical technology and improving surgical outcomes.

Latest Patents

Two of Twomey's latest innovative patents exemplify his ingenuity. The first patent, titled "Surgical Instrument for Treating Tissue," describes a sophisticated surgical tool featuring an elongated shaft with a distal and proximal portion. The design incorporates an inner shaft member that is movable along a longitudinal axis, facilitating precise control during surgical procedures. The end effector, located at the distal portion, consists of upper and lower jaw members that are pivotally coupled, arranged in an offset configuration to enhance functionality.

The second patent, "Trigger Lockout and Kickback Mechanism for Surgical Instruments," addresses the critical need for safety in surgical tools. This invention details a forceps that includes a carefully designed end effector assembly with first and second jaw members and a trigger mechanism. The integrated safety member ensures that the trigger remains blocked when the lever is in its initial position, enhancing the safety of the surgical process by preventing unintended activation.

Career Highlights

Twomey's career reflects a strong commitment to innovation in medicine. He has worked for esteemed companies, including Covidien LP and Covidien AG, where he has played an integral role in designing and developing cutting-edge surgical instruments.

Collaborations

Throughout his career, John R. Twomey has had the pleasure of collaborating with notable professionals such as James D. Allen, IV, and Dylan R. Kingsley. These partnerships have contributed to the development of groundbreaking medical technologies, further enhancing the efficacy and safety of surgical procedures.

Conclusion

John R. Twomey's dedication to innovation in surgical instrumentation marks him as a significant figure in the field of medical engineering. Through his extensive patent portfolio and collaborative efforts, Twomey continues to impact the medical community by creating tools that enhance surgical precision and patient safety. His work not only reflects his expertise but also his commitment to improving health outcomes through innovation.

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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