Richmond, VA, United States of America

William H Pettigrew

This inventor holds 2 USPTO granted patents. Top assignee: Philip Morris Inc.. Active years: 2000-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William H Pettigrew. Retrieved from https://idiyas.com/inventor/william-h-pettigrew

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


% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 2

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 2000-2002

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2 patents (USPTO):Explore Patents

Title: Innovations of William H. Pettigrew

Introduction

William H. Pettigrew is a notable inventor based in Richmond, VA (US). He has made significant contributions to the field of cigarette manufacturing technology. With a total of 2 patents, his work has had a considerable impact on the industry.

Latest Patents

Pettigrew's latest patents include a drum elevator system designed for elevating cigarettes. This innovative apparatus features a series of rotatable cigarette transferring drums. It includes a first plurality of horizontally disposed drums at a first elevation and a second plurality of vertically disposed drums extending to a second elevation. The second plurality of vertically disposed drums receives output from the first plurality of drums. The system is adapted to receive a procession of cigarettes at the first elevation and elevate them along a transfer path to the second elevation while maintaining their arrangement. Additionally, the system incorporates a rejection station along the transfer path and a controller that selectively actuates the rejection station. At the second elevation, a stack former receives the output from the vertically disposed drums.

Career Highlights

William H. Pettigrew is currently employed at Philip Morris Inc. His work has been instrumental in advancing the technology used in cigarette production. His innovative designs have streamlined processes and improved efficiency within the industry.

Collaborations

Pettigrew has collaborated with notable coworkers such as Ronald D. Honaker and Charles Gary Atwell. Their combined expertise has contributed to the successful development of innovative solutions in their field.

Conclusion

William H. Pettigrew's contributions to cigarette manufacturing technology through his patents and collaborations highlight his role as a significant inventor. His innovative drum elevator system exemplifies the advancements in the industry, showcasing his dedication to improving manufacturing processes.

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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