Bronxville, NY, United States of America

Robert W Pfeiffer

This inventor holds 8 USPTO granted patents. Top assignees: Stone & Webster Engineering Corp., Other. Active years: 1982-1995.

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

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 = 1.5

ph-index = 7

Forward Citations = 216(Granted Patents)


Location History:

  • Bronxville, NY (US) (1982 - 1988)
  • Rye, NY (US) (1987 - 1995)

Company Filing History:


Years Active: 1982-1995

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8 patents (USPTO):Explore Patents

Title: Innovations of Inventor Robert W Pfeiffer

Introduction

Robert W Pfeiffer, an accomplished inventor based in Bronxville, NY, has made significant contributions to the field of chemical engineering through his eight patents. His work primarily focuses on processes involving fluidized solids and advanced control valves for particulate solids.

Latest Patents

Pfeiffer's latest patents include innovative processes and apparatus for carrying out chemical reactions where fluidized particulate solids are utilized. One of his notable inventions introduces a method for separating reactant products from the fluidized solids and regenerating them via a combustion process. This regeneration is enhanced by effectively dividing the fluidized solids regeneration bed into distinct zones, optimizing temperature management and improving efficiency.

Another significant patent details a control valve designed specifically for regulating the flow of particulate solids. This valve features a unique flow passageway and a plug member which offers enhanced rangeability. The innovative design of the valve results in a logarithmic flow characteristic that aids in achieving precise control for varying flow rates.

Career Highlights

Throughout his career, Robert W Pfeiffer has worked at various renowned companies, including Stone & Webster Engineering Corporation. His practical experience has contributed to the development of cutting-edge technologies and has positioned him as a noteworthy figure in his field.

Collaborations

Pfeiffer has collaborated with esteemed professionals such as Robert R Dean and Jean-Louis Mauleon. These partnerships have likely enriched his creative and innovative approach, leading to the successful development of numerous patents.

Conclusion

Robert W Pfeiffer's contributions to the realm of engineering innovations, particularly in chemical processes and valve technology, have established him as a significant inventor. His work continues to influence the industry, providing valuable advancements in the efficient management of chemical reactions and the control of particulate solids.

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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