Bloomfield Hills, MI, United States of America

Douglas Pfaff

This inventor holds 1 USPTO granted patent. Top assignee: Bernal, Inc.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas Pfaff. Retrieved from https://idiyas.com/inventor/douglas-pfaff

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Douglas Pfaff: Innovator in Plastic Sheet Perforation

Introduction

Douglas Pfaff is an accomplished inventor based in Bloomfield Hills, MI (US). He has made significant contributions to the field of plastic sheet perforation, showcasing his innovative spirit through his patented inventions.

Latest Patents

Douglas Pfaff holds a patent for a "Punch system for perforating plastic sheets." This invention is designed for rigid and brittle plastic sheet materials, such as polycarbonates. The punch system comprises a punch body mounted in a carrier board, featuring an upwardly projecting head portion that defines the shape of the hole to be punched. Additionally, it includes a ring of high durometer urethane mounted on the punch head to serve as a stabilizer and stripper. A disk of high durometer urethane is also mounted on the under surface of the press platen, directly opposite the punch, to receive the punch head and the slug of punched material during the operation. This punch can be used in combination with a steel rule die or with other punches, making it versatile in its application.

Career Highlights

Douglas Pfaff is currently associated with Bernal, Inc., where he continues to develop innovative solutions in the field of plastic processing. His work has been instrumental in enhancing the efficiency and effectiveness of perforating plastic sheets.

Collaborations

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Conclusion

Douglas Pfaff's contributions to the field of plastic sheet perforation through his innovative punch system highlight his expertise and commitment to advancing technology. His work at Bernal, Inc. continues to pave the way for future innovations in this area.

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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