Litchfield, NH, United States of America

John David Lefavour

This inventor holds 63 USPTO granted patents and 7 published patent applications, plus 2 CIPO patents and 6 EPO patents, primarily in Power Tool Technology (CPC class B25B). Top assignees: Hubbell Limited, Fci Americas Technology Inc., Framatome Connectors USA Inc.. Active years: 1994-2026.

USPTO Granted Patents = 63 (Patent Applications = 7)

% Patents Active = 93.7

CIPO Patents = 2 (Patent Applications = 3)

EPO Patents = 6 (Patent Applications = 9)

Average Co-Inventor Count = 3.0

ph-index = 17

Forward Citations = 820(Granted Patents)

Forward Citations (Not Self Cited) = 654(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

Fci Americas Technology Inc.

patents

4 out of 49

Framatome Connectors USA Inc.

Burndy Technology LLC

Mks Instruments, Inc.

patents

Years Active: 1994-2026

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Areas of Expertise:

Crimp Tool

Hydraulic Tool

Power Tool

Force Adjustment

Dieless Tool

Trigger Activation

Connector Locator

Cleaning Apparatus

Multi-Stage Trigger

Portable Tool

Cutter

Base Assembly

63 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12646662 - Trigger activated tools having activation lockouts (2026-06-02),

2. 12470032 - Power tool with crimp localization (2025-11-11),

3. 12403580 - Member for adjusting force application in reciprocating assembly (2025-09-02),

4. 12330282 - Force adjusting power tool with interchangeable head (2025-06-17),

5. 12311521 - Tool with multi-stage trigger (2025-05-27),

6. 12244113 - Portable dieless hand held power tools (2025-03-04),

7. 12208502 - Portable hand-held hydraulic tools (2025-01-28),

8. D1035409 - Tool head for power tools (2024-07-16),

9. 11911888 - Force adjusting power tool with interchangeable head (2024-02-27),

10. 11870196 - Battery powered portable crimp tool with C-head (2024-01-09),

11. 11745322 - Portable hand held power tool with interchangable head (2023-09-05),

12. 11621531 - Power tool with crimp localization (2023-04-04),

13. 11590668 - Portable in-line hydraulic tool (2023-02-28),

14. 11430616 - Trigger activated tools having activation lockouts (2022-08-30),

15. 11426850 - Portable hand held power tool with interchangeable head (2022-08-30),

Certainly! Here is an article about inventor John David Lefavour.

Title: The Innovative Mind of John David Lefavour

Introduction:

John David Lefavour, a prolific inventor hailing from Litchfield, NH in the US, has made significant contributions in the world of innovation. With an impressive portfolio of 52 patents to his name, Lefavour's ingenuity knows no bounds.

Latest Patents:

Among his latest patents is the 'Force adjusting power tool with interchangeable head'. This invention revolutionizes portable, hand-held, battery-operated hydraulic tools by incorporating interchangeable working heads and a mechanism to adjust force based on the detected head type. Additionally, the 'Battery powered portable crimp tool with C-head' signifies Lefavour's commitment to creating efficient and versatile tools for various applications.

Career Highlights:

Throughout his career, Lefavour has showcased his expertise in companies such as Hubbell Limited and FCI Americas Technology Inc. His dedication to innovation and problem-solving has been pivotal in shaping the landscape of modern technologies.

Collaborations:

Lefavour has worked alongside esteemed colleagues such as Thomas Romeo Faucher and Armand Thomas Montminy. These collaborations have not only enriched his work but have also fostered a culture of creativity and teamwork in the field of invention.

Conclusion:

In conclusion, John David Lefavour's journey as an inventor exemplifies the power of perseverance and creativity in driving technological advancements. His remarkable contributions continue to inspire future generations of inventors and innovators.

I hope you find this article insightful and informative. If you need more details or have any specific requests, feel free to let me know!