Meadville, PA, United States of America

David L Durfee, Jr

This inventor holds 26 USPTO granted patents, primarily in Machining Vise Technology. Top assignees: Parlec, Inc., David L. Durfee, Jr., Durfee, Susan. Active years: 1985-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David L Durfee, Jr. Retrieved from https://idiyas.com/inventor/david-l-durfee-jr

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


% Patents Active = 80.8

Average Co-Inventor Count = 1.0

ph-index = 11

Forward Citations = 276(Granted Patents)


Location History:

  • Erie, PA (US) (1990)
  • Meadville, PA (US) (1985 - 2019)

Company Filing History:


Years Active: 1985-2025

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Areas of Expertise:
Machining Vise
Precision Positioning
Clamping Mechanism
Cell Phone Accessories
Modular Systems
Grip Element
Hydraulically Operated
Work-Holding Chassis
Quick Connect
Exercise Machine
Angle Gauge
Dressing Tool Gauge
26 patents (USPTO):Explore Patents

Title: The Innovative Mind of David L Durfee, Jr.

Introduction: David L Durfee, Jr., based in Meadville, PA, is a prolific inventor with an impressive portfolio of 24 patents to his name. His contributions to the field of innovation demonstrate a commitment to enhancing everyday technology, particularly in the area of cell phone accessories.

Latest Patents: Durfee's latest inventions include a grip shield designed for cell phones, which enhances functionality by providing a secure grip and improved aesthetics. The grip shield acts as a backstop for the user's hand and features a downwardly extending flange to prevent catching on pockets. Another significant patent involves a versatile strap for cell phone casings that allows for easy handling, eliminating the need for users to wrap their hands around the phone. This innovation includes various quick-change attachment options, a quick-removal holster, and a belt clip that connects to the strap without requiring users to grasp the phone. Additionally, his designs incorporate a compartment for 2-3 credit card-sized items, protected by a retractable kickstand.

Career Highlights: Throughout his career, David has worked with notable companies, including Parlec, Inc. His experiences there have undoubtedly shaped his inventive approaches and contributed to his success as an innovator.

Collaborations: Durfee has collaborated with talented individuals such as Bradley D Wolff and Matthew T Hoyt. These partnerships have fostered a creative environment where ideas can flourish and lead to impactful inventions.

Conclusion: David L Durfee, Jr. exemplifies the spirit of innovation with his remarkable patents and collaborative efforts. As technology continues to evolve, Durfee's contributions will undoubtedly play a significant role in shaping the future of cell phone accessories and user experience.

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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