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USPTO Data Jan 1 1976 - Oct 13 2026
375 Patents
#1 in Perry, OK
#5 in Oklahoma
#1,232 in US
#2,465 in the World
The Charles Machine Works, Inc.
Forward Citations = 4,412
225 inventors:
Perry, OK, United States of America
The Charles Machine Works, Inc.
% Expired Patents = 6.4
CIPO Patents = 2
EPO Patents = 8
Trademarks = 49
Forward Citations = 4,412
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225 inventors (with patents filed for the assignee):
Cody L Sewell (77 out of 77 patents)
Scott Bryan Cole (45 out of 46 patents)
Greg Lowell Slaughter, Jr (32 out of 32 patents)
4. Floyd R Gunsaulis (28 out of 29 patents)
5. Michael F Gard (26 out of 44 patents)
6. Brant Douglas Kukuk (26 out of 26 patents)
7. Arthur D Deken (21 out of 21 patents)
8. Brian K Bailey (19 out of 19 patents)
9. Max Allen Metcalf (19 out of 19 patents)
10. Kelvin P Self (18 out of 19 patents)
11. Mark D Randa (14 out of 38 patents)
12. Richard Felix Sharp (14 out of 15 patents)
13. Aleksander S Wolfe (13 out of 13 patents)
14. Vernon T Stellman (13 out of 13 patents)
15. Joseph G Greenlee (13 out of 13 patents)
Core Competencies:
Directional Drilling
Pipe Slitting
Temperature Regulation
Augmented Reality
Utility Installation
Downhole Tool Tracking
Mechanical Gripper
GPS Locating
Torque Oscillation
Vacuum Tank
Beacon Optimization
Dual Rod Assembly
375 patents:
Company Overview
The Charles Machine Works, Inc., based in Perry, Oklahoma, specializes in innovative solutions for horizontal directional drilling. The company focuses on developing advanced technologies in areas such as directional drilling, pipe slitting, and temperature regulation. Additionally, it integrates augmented reality and GPS locating into its utility installation processes, enhancing efficiency and precision. With a commitment to advancing downhole tool tracking and mechanical gripper technologies, the organization plays a pivotal role in the utility construction industry.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Charles Machine Works, Inc.. Retrieved from https://idiyas.com/company/charles-machine-works
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
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]
2 patents (CIPO):
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]
8 patents (EPO):
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]