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For the Inventor, By the Inventor

Elyria, OH, United States of America

Ridge Tool Company


USPTO Granted Patents = 109

% Expired Patents = 4.6


Trademarks = 4

Forward Citations = 456

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85 inventors (with patents filed for the assignee):

goldMedal Glen Richard Chartier (33 out of 49 patents)

silverMedal Robert Skrjanc (20 out of 32 patents)

bronzeMedal Scott Kruepke (19 out of 22 patents)

4.  Alex Michael Cole (19 out of 23 patents)

5.  Harald Krondorfer (18 out of 72 patents)

6.  Michael J Rutkowski (17 out of 42 patents)

7.  Qi Zhou (12 out of 28 patents)

8.  Jon R Dunkin (11 out of 30 patents)

9.  Jeffrey Szucs (11 out of 11 patents)

10.  Richard M Kundracik (9 out of 15 patents)

11.  Billy Odon M Yrad, Jr (9 out of 22 patents)

12.  Christopher Schmauder (8 out of 8 patents)

13.  Richard R Bowles (7 out of 19 patents)

14.  Prasad Chatursingh Patil (7 out of 10 patents)

15.  Katherine Hall (7 out of 7 patents)


Core Competencies:
Drain Cleaners
Crimping Tools
Pipe Threading
Torque Limiter
Cable Housing
Fluid Management
Power Tools
Cut-Off Tools
Smart Tool Systems
Hydraulic Tools
Battery Chargers
Clamping Systems

109 patents:

1. D1121408 - Pressing tool (2026-04-07),
2. 12589460 - Pipe threading mechanisms and systems (2026-03-31),
3. 12496624 - Torque limiter for powered drain cleaner (2025-12-16),
4. 12467248 - Powered drain cleaner with flex shaft (2025-11-11),
5. D1097387 - Cable housing (2025-10-07),
6. 12383937 - Drain cleaner fluid management (2025-08-12),
7. 12281747 - Bipod support for handheld drain cleaning machine (2025-04-21),
8. 12251802 - Variable force press tool system (2025-03-18),
9. 12222225 - Systems and methods for identifying points of interest in pipes or drain lines (2025-02-11),
10. 12142887 - Cable crimp head (2024-11-12),
11. D1045281 - Plumbing tool (2024-10-01),
12. 12088222 - Soft start for power tool with momentary switch and mechanical direction selection switch (2024-09-10),
13. 12059719 - Sectional drain cleaner cable system for clean use, storage, and transport (2024-08-13),
14. 12017287 - Cutter for cutting tubular parts (2024-06-25),
15. 11982078 - Drain cable decoupler tools (2024-05-14),
Company Overview
Ridge Tool Company, headquartered in Elyria, Ohio, specializes in the development and manufacturing of high-quality plumbing tools. The company is renowned for its innovative solutions in various core technology areas, including drain cleaners, crimping tools, and pipe threading equipment. Ridge Tool is committed to enhancing fluid management and power tool efficiency, providing professionals with reliable tools designed for durability and performance in demanding environments. Its expertise extends to cut-off tools and torque limiters, making it a key player in the plumbing industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Ridge Tool Company USPTO Patent Assignee Logo
109 Patents

#2 in Elyria, OH

#165 in Ohio

#3,507 in US

#7,226 in the World

Elyria, OH (US)
Elyria, OH, United States of America

Ridge Tool Company

Forward Citations = 456

85 inventors:

goldMedal Glen Richard Chartier (33 out of 49 patents)

silverMedal Robert Skrjanc (20 out of 32 patents)

bronzeMedal Scott Kruepke (19 out of 22 patents)

4.  Alex Michael Cole (19 out of 23 patents)

5.  Harald Krondorfer (18 out of 72 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ridge Tool Company. Retrieved from https://idiyas.com/company/ridge-tool-company

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]
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