For the Inventor, By the Inventor

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Salt Lake City, UT, United States of America

Norton Christensen, Inc.

USPTO Granted Patents = 37

Forward Citations = 763

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45 inventors (with patents filed for the assignee):

Steven R Radford (8 out of 10 patents)

Rainer Jurgens (5 out of 35 patents)

J Stanley Davis (4 out of 5 patents)

4. Craig R Hyland (3 out of 12 patents)

5. James T Aumann (2 out of 15 patents)

6. Clifford R Pay (2 out of 5 patents)

7. Richard H Grappendorf (2 out of 6 patents)

8. Larry R Fulkerson (2 out of 2 patents)

9. Thomas Jung (2 out of 2 patents)

10. Gerhard Heidemann (2 out of 2 patents)

11. Hans-Eckhard Mengel (2 out of 2 patents)

12. Kelly Knighton (2 out of 2 patents)

13. Lorenzo G Lovato (1 out of 6 patents)

14. Lawrence Frear (1 out of 2 patents)

15. John S Davis (1 out of 4 patents)

Core Competencies:

Drilling Technology

Core Barrel

Diamond Bit

Hydraulic Systems

Coring Device

Flowable Material

Drill Bit

Magnetic Coupling

Cutter Configuration

High Pressure Sealing

Tool Locking Device

Rotary Drill Bit

37 patents: Sort by Forward Citations

1. 4904228 - Universal ball joint (1990-02-27),

2. 4732225 - Deep-borehole drilling device with magnetic coupling (1988-03-22),

3. 4664205 - Hydraulic inner barrel in a drill string coring tool (1987-05-12),

4. 4643265 - Core barrel apparatus for disposing a core within a thin, flexible film (1987-02-17),

5. 4641289 - Process and device for transmitting information over a distance (1987-02-03),

6. 4635738 - Drill bit (1987-01-13),

7. 4629013 - Drive device for a drill bit (1986-12-16),

8. 4614232 - Device for delivering flowable material (1986-09-30),

9. 4608226 - Method of forming a diamond tooth insert for a drill bit and a diamond (1986-08-26),

10. 4607710 - Cammed and shrouded core catcher (1986-08-26),

11. 4606416 - Self activating, positively driven concealed core catcher (1986-08-19),

12. 4605075 - Shrouded core catcher (1986-08-12),

13. 4603749 - Apparatus for downward displacement of an inner tube within a coring (1986-08-05),

14. 4586574 - Cutter configuration for a gage-to-shoulder transition and face pattern (1986-05-06),

15. 4580643 - Adjustable bearing section core barrel (1986-04-08),

Company Overview

Norton Christensen, Inc. is a prominent player in the field of advanced manufacturing and engineering solutions, based in Salt Lake City, Utah. The company specializes in the development and production of high-quality components and systems for various industries, including aerospace, automotive, and medical devices. With a strong emphasis on innovation and precision, Norton Christensen leverages cutting-edge technologies to enhance product performance and reliability, catering to a diverse clientele both domestically and internationally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

37 Patents

#36 in Salt Lake City, UT

#103 in Utah

#9,262 in US

#18,281 in the World

Salt Lake City, UT, United States of America

Norton Christensen, Inc.

Forward Citations = 763

45 inventors:

Steven R Radford (8 out of 10 patents)

Rainer Jurgens (5 out of 35 patents)

J Stanley Davis (4 out of 5 patents)

4. Craig R Hyland (3 out of 12 patents)

5. James T Aumann (2 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Norton Christensen, Inc.. Retrieved from https://idiyas.com/company/norton-christensen

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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