Perry, OK, United States of America

The Charles Machine Works, Inc.


Patents = 361

Trademarks = 55

Forward Citations = 4,198


where 'Filed Patents' based on already Granted Patents

where 'Inventors Filed' based on already Granted Patents


217 inventors (with patents filed for the assignee):


The Charles Machine Works, Inc. is a leading manufacturer of underground construction equipment, including the world-renowned brand, Ditch Witch. With over 75 years of expertise, the company continues to innovate and provide solutions for the underground utility industry. Their equipment is used for various applications such as installing and maintaining underground pipelines, telecommunications cables, and utility systems. Charles Machine Works is dedicated to delivering quality products, exceptional customer service, and ensuring the efficiency and safety of underground construction projects.
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