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Portland, OR, United States of America

Omark Industries, Inc.

USPTO Granted Patents = 68

Trademarks = 8

Forward Citations = 946

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52 inventors (with patents filed for the assignee):

Lewis A Scott (13 out of 17 patents)

Duane M Gibson (11 out of 16 patents)

Michael J Reynolds (5 out of 7 patents)

4. Raymond V Pomeroy (4 out of 4 patents)

5. Frederic G Croydon (4 out of 4 patents)

6. William F Langman (4 out of 4 patents)

7. Kenneth L Alexander (3 out of 6 patents)

8. Kay Silvon (3 out of 3 patents)

9. David J Weisgerber (3 out of 4 patents)

10. Gerald J Doiron (3 out of 3 patents)

11. Donald D Lanz (2 out of 12 patents)

12. Ronald E Hencye (2 out of 2 patents)

13. Charles C Pease (2 out of 8 patents)

14. Eugene P Schaeffer (2 out of 3 patents)

15. Jack Clark (2 out of 2 patents)

Core Competencies:

Cutting Chain

Saw Chain

Circular Saw Blade

Rail Fastening Assembly

Ammunition Reloading Die

Chain Saw Guide Bar

Vibration Dampened Bars

Portable Saw

Wood Chipper

Drill Bit

Powder Actuated Tool

Log Lifter

68 patents: Sort by Forward Citations

1. 4869055 - Star-shaped flexible cutting line (1989-09-26),

2. 4827821 - Cutting chain (1989-05-09),

3. 4819870 - Rail fastening assembly (1989-04-11),

4. 4778106 - Stud, arc shield and rail clip for securing railroad rails (1988-10-18),

5. 4773160 - Saw chain having relieved center link (1988-09-27),

6. 4653157 - Cartridge case trimmer method of using same (1987-03-31),

7. 4643065 - Saw chain comprised of safety side links designed for reducing vibration (1987-02-17),

8. 4637291 - Combination ammunition reloading die (1987-01-20),

9. 4629118 - Rail insulating pad assembly (1986-12-16),

10. 4627165 - Hand held cutting tools (1986-12-09),

11. 4625610 - Cutting chain having automatic sharpening (1986-12-02),

12. 4608901 - Safety chain for chain saws (1986-09-02),

13. 4608102 - Primer composition (1986-08-26),

14. 4604932 - Safety chain for chain saws (1986-08-12),

15. 4600145 - Railroad sleeper lock-in shoulder (1986-07-15),

Company Overview

Omark Industries, Inc., based in Portland, Oregon, specializes in the development and manufacturing of cutting tools. The company is recognized for its innovative solutions in various domains, including cutting chains, saw chains, and circular saw blades. Omark also produces rail fastening assemblies and ammunition reloading dies, showcasing its diverse technological expertise. Additionally, the company offers products such as chain saw guide bars and vibration dampened bars, catering to both professional and consumer markets in the cutting tool industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

68 Patents

#19 in Portland, OR

#66 in Oregon

#5,372 in US

#10,888 in the World

Portland, OR, United States of America

Omark Industries, Inc.

Forward Citations = 946

52 inventors:

Lewis A Scott (13 out of 17 patents)

Duane M Gibson (11 out of 16 patents)

Michael J Reynolds (5 out of 7 patents)

4. Raymond V Pomeroy (4 out of 4 patents)

5. Frederic G Croydon (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Omark Industries, Inc.. Retrieved from https://idiyas.com/company/omark-industries

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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