For the Inventor, By the Inventor

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Rockford, IL, United States of America

Greenlee Tools, Inc.

USPTO Granted Patents = 54

EPO Patents = 7

Trademarks = 81

Forward Citations = 91

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53 inventors (with patents filed for the assignee):

John Russell Fenske (11 out of 12 patents)

Sean A Daugherty (9 out of 47 patents)

Daniel John Marben (8 out of 9 patents)

4. Gerald Jonathan Tully (8 out of 14 patents)

5. William F Nordlin (7 out of 30 patents)

6. Jeffrey Jay Plummer (7 out of 28 patents)

7. John Wayne Kroening (4 out of 12 patents)

8. Eric Williams (4 out of 4 patents)

9. SatishKumar SivaSankaran (4 out of 4 patents)

10. William John McNulty (4 out of 16 patents)

11. James Donald Schmidt (4 out of 7 patents)

12. John Michael Jubeck (4 out of 5 patents)

13. John Jeremiah Morton (4 out of 5 patents)

14. Kevin Bollendorf (3 out of 6 patents)

15. Michael Standiford (3 out of 3 patents)

Core Competencies:

Cable Puller

Workpiece Shearing

Self-Locking Pin

Wireless Control

Conduit Bending

Cable Stripping Tool

Automated Bender

Voltage Detection

Cutting Device

Fish Tape

High Capacity Cable Puller

Fabrication Tracking

54 patents: Sort by Forward Citations

1. 12492097 - Portable drill puller (2025-12-09),

2. 12107399 - Cable puller adapter for use with a cable puller and its method of use (2024-10-01),

3. 12046882 - Cable puller (2024-07-23),

4. 12036618 - Workpiece shearing apparatus (2024-07-16),

5. 12025166 - Self-locking pin (2024-07-02),

6. 12015252 - Wireless control in a cable feeder and puller system (2024-06-18),

7. 11964844 - Fish tape case (2024-04-23),

8. 11940344 - Cable puller having sensor measuring pulling rope travel distance (2024-03-26),

9. 11858028 - Method of bending a conduit (2024-01-02),

10. 11833572 - Bender for bending a workpiece with automatic springback compensation (2023-12-05),

11. D1003957 - Die for shearing a workpiece (2023-11-07),

12. 11749977 - Cutting device for the severance of an electrical power cable, or of a strand section (2023-09-05),

13. 11733675 - Fabrication and tracking (2023-08-22),

14. 11717900 - Metal clad cable cutting machine (2023-08-08),

15. 11713224 - High capacity cable puller with multi-speed automatic shifting transmission (2023-08-01),

Greenlee Tools, Inc. is a leading provider of high-quality professional tools and equipment for the electrical and telecommunication industries. With over 150 years of experience, Greenlee is known for its innovative and reliable products that help professionals perform their jobs efficiently and safely. Their product range includes cable and conduit benders, knockout punches, wire termination tools, testing and measurement equipment, and much more. Greenlee Tools, Inc. is committed to delivering excellent customer service and continues to be a trusted source for industry professionals worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

54 Patents

#6 in Rockford, IL

#361 in Illinois

#6,343 in US

#12,744 in the World

Rockford, IL, United States of America

Greenlee Tools, Inc.

Forward Citations = 91

53 inventors:

John Russell Fenske (11 out of 12 patents)

Sean A Daugherty (9 out of 47 patents)

Daniel John Marben (8 out of 9 patents)

4. Gerald Jonathan Tully (8 out of 14 patents)

5. William F Nordlin (7 out of 30 patents)

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