Hughesville, PA, United States of America

John W Pfeiffer

This inventor holds 22 USPTO granted patents and 1 published patent application, primarily in Bulk Material Handling. Top assignees: The Young Industries, Inc., Koppers Company, Inc., Other. Active years: 1985-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John W Pfeiffer. Retrieved from https://idiyas.com/inventor/john-w-pfeiffer

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

Calculating rank
USPTO Granted Patents = 22 

% Patents Active = 77.3

Average Co-Inventor Count = 1.5

ph-index = 7

Forward Citations = 156(Granted Patents)


Location History:

  • Hugesville, PA (US) (2001)
  • Hughesville, PA (US) (1985 - 2011)

Company Filing History:


Years Active: 1985-2011

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Areas of Expertise:
Pneumatic Conveying
Bulk Particulate Materials
Container Filling
Fluidization
Vacuum System
Ejector Device
Air Filtration
Rotary Vane Valve
Bag Dumping Station
Material Transport
Conveying System
Particulate Handling
22 patents (USPTO):Explore Patents

Title: Innovations and Contributions of John W. Pfeiffer

Introduction: John W. Pfeiffer, based in Hughesville, PA, is a prolific inventor with a remarkable portfolio of 22 patents. His innovations have played a significant role in the field of material handling, particularly in the efficient unloading of bulk particulate materials.

Latest Patents: Among his latest contributions is a system and method for handling containers of bulk particulate materials. This system features attachment means for lifting containers and a spout for discharging material. It generally consists of an unloading apparatus that includes a material hopper, a mobile apparatus, and a carrier member that offers arrangements for detachably connecting to a container, as well as mounting on both the mobile apparatus and the unloading apparatus.

Career Highlights: Throughout his career, John has been associated with notable companies such as Young Industries, Inc. and Koppers Company, Inc. His experience in these organizations has allowed him to refine his innovations, particularly in the realm of material handling systems.

Collaborations: John W. Pfeiffer has worked alongside esteemed colleagues, including James E. Mothersbaugh and Anthony E. Boroch. Their collaboration has likely fostered advancements in their respective projects and furthered the development of innovative solutions within the industry.

Conclusion: John W. Pfeiffer's innovative contributions and considerable patent portfolio underscore his impact on material handling technologies. His work continues to inspire future advancements, demonstrating the importance of innovation in creating efficient systems for various applications.

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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