For the Inventor, By the Inventor

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Portland, OR, United States of America

Omark Industries, Inc.

USPTO Granted Patents = 68

Trademarks = 10

Forward Citations = 933

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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 Tools

Rail Fastening Assembly

Saw Chain

Circular Saw Blade

Chain Saw

Ammunition Reloading

Vibration Dampening

Welding Apparatus

Wood Chipper

Safety Chains

Railroad Sleeper

Drill Bits

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),

Omark Industries, Inc. is a leading manufacturing company specializing in industrial equipment. With a history spanning over three decades, we have established a strong reputation for providing high-quality products and exceptional customer service. Our extensive range of offerings includes machinery, tools, and components for various industries such as automotive, aerospace, and construction. We pride ourselves on our commitment to innovation and are constantly striving to meet the evolving needs of our clients. Visit our website to explore our product portfolio and learn more about our capabilities.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

68 Patents

#20 in Portland, OR

#65 in Oregon

#5,149 in US

#10,451 in the World

Portland, OR, United States of America

Omark Industries, Inc.

Forward Citations = 933

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)

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