Oakwood, VA, United States of America

John W Crigger

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent and 1 EPO patent. Top assignee: Suncoke Energy, Inc.. Active years: 2008.

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

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 = 9.0

ph-index = 1

Forward Citations = 92(Granted Patents)


Company Filing History:


Years Active: 2008

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1 patent (USPTO):Explore Patents

Title: John W. Crigger: Innovator in Coke Oven Technology

Introduction

John W. Crigger is a notable inventor based in Oakwood, Virginia, recognized for his innovative contributions to the field of coke oven technology. He holds a patent for a unique oven door latch system that enhances the sealing of coke oven doors. His work has significantly impacted the efficiency and safety of coke oven operations.

Latest Patents

Crigger's most recent patent is for the "Coke Oven Rotary Wedge Door Latch." This invention features an oven door latch system designed to be positioned within an oven door opening. The system includes a rotary member that is rotatively attachable to the oven door. The rotary member is equipped with a wedge-shaped, arcuate engagement edge that variably engages a striker plate on a buck stay member adjacent to the oven door opening. This design allows for improved sealing of the coke oven when the door is in place. Additionally, a remotely operated adjustment actuator is included, which engages a tab member on the rotary member to facilitate the opening and closing of the oven door.

Career Highlights

Throughout his career, John W. Crigger has worked with prominent companies in the energy sector, including SunCoke Energy, Inc. and SunCoke Technology and Development Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions for coke oven operations.

Collaborations

Crigger has collaborated with several professionals in his field, including Michael P. Barkdoll and Mark Anthony Ball. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

John W. Crigger's contributions to coke oven technology through his patented inventions demonstrate his commitment to innovation in the industry. His work continues to influence the efficiency and safety of coke oven operations, marking him as a significant figure in this specialized field.

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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