Mogadore, OH, United States of America

Michael J Shaffer

This inventor holds 93 USPTO granted patents, plus 5 CIPO patents and 1 EPO patent, primarily in Crossbow Technology (CPC class F41B5-123). Top assignees: Hunter's Manufacturing Company, Inc., Hunter's Maunfacturing Company, Inc., Tenpoint Crossbow Technologies. Active years: 2008-2025.


% Patents Active = 65.6


 

Average Co-Inventor Count = 2.7

ph-index = 20

Forward Citations = 1,207(Granted Patents)

Forward Citations (Not Self Cited) = 901(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Mogadore, MI (US) (2022)
  • Mogadore, OH (US) (2008 - 2024)
  • Hartville, OH (US) (2021 - 2024)

Company Filing History:


Years Active: 2008-2025

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Areas of Expertise:
Crossbow
De-Cocking Mechanism
Safety System
Cocking Mechanism
Narrow Crossbow
Trigger Assembly
Power Stroke
Router System
String Suppressor
Universal Nock System
Mid-Limb Cam
Tactile Grip Surface
93 patents (USPTO):Explore Patents

Title: Michael J. Shaffer: Innovator in Archery Technology

Introduction: Michael J. Shaffer, located in Mogadore, Ohio, is a prolific inventor with a remarkable portfolio of 92 patents. His work primarily revolves around advancements in archery technology, particularly in the design and mechanism of crossbows. Shaffer's innovations have contributed significantly to improving the functionality and efficiency of these traditional weapons.

Latest Patents: Shaffer's latest patents exemplify his ingenuity in crossbow design. One of his notable inventions is a "Crossbow with Traveling Trigger and Conventional Bow," which features a main beam and a bow mechanism equipped with bow limbs, bowstring wheels, and a unique traveling trigger mechanism. This invention allows for a smooth transition of the bowstring from an un-cocked state to a cocked condition, enhancing user experience and performance. Another significant patent is the "Narrow Crossbow with Large Power Stroke." This design incorporates a distinctive structure, where the first ends of the bow limbs extend beyond the main beam, maintaining an optimal distance to ensure effective operation while accommodating user comfort.

Career Highlights: Throughout his career, Michael J. Shaffer has made substantial contributions to the field of archery equipment design. His tenure at Hunter's Manufacturing Company, Inc. has allowed him to translate his innovative ideas into practical applications that enhance the sport of archery. His focus on improving crossbow mechanisms reflects a deep understanding of both the technical and user-oriented aspects of manufacturing.

Collaborations: Shaffer has collaborated with several prominent individuals in the field, including Richard L. Bednar and Jacob A. Hout. These collaborations have enriched his work and contributed to the successful development of various patent submissions that underline the importance of teamwork in innovation.

Conclusion: Michael J. Shaffer stands out as an influential inventor in the arcane yet evolving world of archery technology. With 92 patents to his name, his ongoing contributions are noteworthy and continue to inspire future developments in crossbow innovation. His work not only enhances performance but also ensures that traditional practices evolve in tandem with modern technology.

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