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Salt Lake City, UT, United States of America

Kennecott Corporation

USPTO Granted Patents = 128

Trademarks = 7

Forward Citations = 2,044

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130 inventors (with patents filed for the assignee):

James H Carpenter (8 out of 39 patents)

Jonathan J Kim (8 out of 20 patents)

Erwin J Nunlist (8 out of 15 patents)

4. George Shinopulos (6 out of 12 patents)

5. Terry F Bower (6 out of 9 patents)

6. M Ronald Randlett (6 out of 9 patents)

7. Richard E Tressler (6 out of 9 patents)

8. Russell D Smith (5 out of 5 patents)

9. Carl H McMurtry (4 out of 21 patents)

10. Viswanathan Venkateswaran (4 out of 7 patents)

11. Paul Cichy (4 out of 7 patents)

12. Laurence N Hailey (4 out of 8 patents)

13. John L Tworek (4 out of 4 patents)

14. Gordon R Rignel (4 out of 4 patents)

15. David B George (3 out of 16 patents)

Core Competencies:

Fire-Refined Blister Copper

Hydrometallurgical Processing

Continuous Casting

Plasma Heated Sintering

Silicon Carbide Refractory

Corrosion Resistant Graphite

Ceramic Fiber Insulation

Internal Coatings

Electrohydraulic Drive

Composite Refractory Foams

Surface Oxide Removal

Seamless Ceramic Articles

128 patents: Sort by Forward Citations

1. 5449395 - Apparatus and process for the production of fire-refined blister copper (1995-09-12),

2. 5443622 - Hydrometallurgical processing of impurity streams generated during the (1995-08-22),

3. 4761025 - Method and apparatus for distributing the load between sections of a (1988-08-02),

4. 4736789 - Apparatus and method for continuous casting of metallic strands at (1988-04-12),

5. 4711296 - Apparatus for avoiding thermal stresses in glass lined vessels (1987-12-08),

6. 4707583 - Plasma heated sintering furnace (1987-11-17),

7. 4698481 - Method for preventing decomposition of silicon carbide articles during (1987-10-06),

8. 4693988 - Single phase silicon carbide refractory (1987-09-15),

9. 4683938 - Method and apparatus for the continuous production of strip using (1987-08-04),

10. 4683516 - Extended life capacitor and method (1987-07-28),

11. 4678577 - Seamless vessel for self contained filter assembly (1987-07-07),

12. 4676940 - Plasma arc sintering of silicon carbide (1987-06-30),

13. 4666775 - Process for sintering extruded powder shapes (1987-05-19),

14. 4659022 - Production of silicon carbide with automatic separation of a high grade (1987-04-21),

15. 4658346 - Apparatus for co-generation of electric power (1987-04-14),

Kennecott Corporation is a mining company that specializes in the extraction of copper, gold, molybdenum, and silver. With over a century of experience, Kennecott Corporation has become one of the world's largest producers of these metals. They are committed to sustainable mining practices and prioritize environmental stewardship in their operations. Through innovative technologies and continuous improvement, Kennecott Corporation strives to deliver value to their stakeholders while maintaining the highest safety standards.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

128 Patents

#6 in Salt Lake City, UT

#24 in Utah

#2,905 in US

#6,085 in the World

Salt Lake City, UT, United States of America

Kennecott Corporation

Forward Citations = 2,044

130 inventors:

James H Carpenter (8 out of 39 patents)

Jonathan J Kim (8 out of 20 patents)

Erwin J Nunlist (8 out of 15 patents)

4. George Shinopulos (6 out of 12 patents)

5. Terry F Bower (6 out of 9 patents)

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