For the Inventor, By the Inventor

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Portland, OR, United States of America

Esco Group LLC

USPTO Granted Patents = 64

% Expired Patents = 7.8

CIPO Patents = 2

EPO Patents = 53

Forward Citations = 113

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87 inventors (with patents filed for the assignee):

Christopher M Carpenter (18 out of 44 patents)

Noah David Cowgill (14 out of 19 patents)

Michael B Roska (13 out of 17 patents)

4. Scott H Zenier (9 out of 10 patents)

5. Steven D Hyde (9 out of 14 patents)

6. Jason W Betournay (9 out of 10 patents)

7. Karsten D Zuendel (8 out of 9 patents)

8. Cameron R Leedham (7 out of 8 patents)

9. Joel S Hankland (7 out of 9 patents)

10. Javier Lander (7 out of 8 patents)

11. Joseph E Blomberg (6 out of 8 patents)

12. Eric L Bewley (6 out of 8 patents)

13. Donald M Conklin (5 out of 16 patents)

14. Rodney K Clarke (5 out of 6 patents)

15. Christopher D Snyder (5 out of 6 patents)

Core Competencies:

Wear Assembly

Ground-Engaging Products

Earth Working Equipment

Hardfaced Products

Monitoring Systems

Wear Member

Excavating Buckets

Material Reducing Machines

Wear Resistant Material

Pin Assembly

Mineral Winning Pick

Lifting Connectors

64 patents: Sort by Forward Citations

1. 12680278 - Wear assembly (2026-07-14),

2. 12553222 - Wear assembly, digging edge and inserts for earth working equipment (2026-02-17),

3. 12480288 - Handling system for ground-engaging wear parts secured to earth working equipment (2025-11-25),

4. 12337584 - Hardfaced products for abrasive applications and processes for making the same (2025-06-24),

5. 12258738 - Wear element having a lock including a pin and seal (2025-03-25),

6. 12134882 - Wear assembly for earth working equipment (2024-11-05),

7. 12104361 - System and process for conducting in-field operations (2024-10-01),

8. 12104359 - Monitoring ground-engaging products for earth working equipment (2024-10-01),

9. 12000120 - Wear member, edge and process of installation (2024-06-04),

10. 11970843 - Wear member and wear assembly for earth working equipment (2024-04-30),

11. D1021976 - Portion of a wear member for earth moving equipment (2024-04-09),

12. D1021975 - Portion of a wear member for earth moving equipment (2024-04-09),

13. D1021974 - Portion of a wear member for earth moving equipment (2024-04-09),

14. 11952742 - Lip for excavating bucket (2024-04-09),

15. 11951484 - Hammer for material reducing machines (2024-04-09),

Esco Group LLC, based in Portland, OR, specializes in wear parts engineering, focusing on the development and manufacturing of high-performance wear assemblies and ground-engaging products. The company is recognized for its expertise in earth working equipment and hardfaced products, which enhance the durability and efficiency of machinery used in various industries. Esco Group also innovates in monitoring systems and wear members, providing solutions that optimize the performance of excavating buckets and material reducing machines.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

64 Patents

#20 in Portland, OR

#69 in Oregon

#5,677 in US

#11,463 in the World

Portland, OR, United States of America

Esco Group LLC

Forward Citations = 113

87 inventors:

Christopher M Carpenter (18 out of 44 patents)

Noah David Cowgill (14 out of 19 patents)

Michael B Roska (13 out of 17 patents)

4. Scott H Zenier (9 out of 10 patents)

5. Steven D Hyde (9 out of 14 patents)

Please report any incorrect information to [email protected]

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