This inventor holds 22 USPTO granted patents and 2 EPO patents. Top assignees: Kennametal Inc., Reedrill, Inc.. Active years: 1989-2013.
Company Filing History:
22 out of 1,582 
2 out of 11 Years Active: 1989-2013
Title: The Innovative Contributions of Stephen P. Stiffler
Introduction
Stephen P. Stiffler, a prolific inventor based in New Enterprise, Pennsylvania, holds an impressive portfolio of 22 patents. His innovative work primarily revolves around cutting tools and retention assemblies, demonstrating significant advancements in manufacturing processes and tool efficiency.
Latest Patents
Stiffler's latest patents include a novel retention assembly for cutting bits, which introduces a cutting bit holder that accommodates a cutting bit with precision. The assembly's shank extends into a bore in a support structure, featuring a uniquely designed notch that interacts with a retention pin. This innovation allows for multiple positional engagements of the retention pin, facilitating non-retaining, retaining, and ejecting positions to enhance tool management in various industrial applications.
Another recent innovation is the rotatable cutting tool-holder-base assembly. This assembly incorporates a base designed to attach to a rotatable driving member's surface. It consists of a cutting tool holder with a precisely defined alignment notch, which simplifies the process of aligning the cutting tool holder with the base. The design of the elongate pin within the assembly ensures secure entry and exit of the cutting tool holder, showcasing Stiffler's commitment to improving efficiency in cutting technologies.
Career Highlights
Throughout his career, Stephen P. Stiffler has made substantial contributions to the field of manufacturing. He has worked with esteemed companies such as Kennametal Inc. and Reedrill, Inc., where he honed his skills and developed numerous innovative solutions that have influenced industry practices.
Collaborations
In his journey as an inventor, Stiffler has collaborated with notable colleagues, including Wayne H. Beach and Eric Paul Helsel. These partnerships have fostered an environment of creativity and innovation, allowing for the exchange of ideas and expertise that further enhanced the cutting technologies that Stiffler is known for.
Conclusion
Stephen P. Stiffler's extensive patent portfolio and his contributions to the field of cutting tools underscore his role as a key innovator in the industry. His work continues to influence manufacturing processes, ensuring that efficiency and precision remain at the forefront of technological advancement.