For the Inventor, By the Inventor

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San Diego, CA, United States of America

Oak Industries, Inc.

USPTO Granted Patents = 90

Trademarks = 1

Forward Citations = 3,493

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81 inventors (with patents filed for the assignee):

Willis A Larson (18 out of 18 patents)

Anthony J Van Zeeland (9 out of 9 patents)

Ronald S Denley (8 out of 26 patents)

4. Pieter Den Toonder (8 out of 9 patents)

5. Dennis J Cotic (7 out of 14 patents)

6. Raymond F Lewandowski (7 out of 8 patents)

7. Jack K Hosking (5 out of 7 patents)

8. Graham S Stubbs (5 out of 7 patents)

9. Bernard J Golbeck (5 out of 6 patents)

10. Mircho A Davidov (4 out of 6 patents)

11. William D Straub (3 out of 18 patents)

12. John L Thorson (3 out of 5 patents)

13. Richard G Merrell (3 out of 8 patents)

14. Richard C Gall (3 out of 5 patents)

15. Stanley E Guif (3 out of 3 patents)

Core Competencies:

Optical Encoder

Railway Maintenance

Spike Driving Machine

Automatic Tie Plate Setting

Video Scrambling

Multi-Layer Encryption

Membrane Switch

Flexible Connector

Cable Television Decoder

Frequency Modulation Control

Keyboard Switch

Pressure-Sensitive Adhesive

90 patents: Sort by Forward Citations

1. 5923032 - Interaligned component optical encoder with integral housing component (1999-07-13),

2. 5577447 - Automatiac railway fastener remover (1996-11-26),

3. 5546864 - Rail anchor remover (1996-08-20),

4. 5500618 - Operational function generator (1996-03-19),

5. 5465667 - Modular railway maintenance system (1995-11-14),

6. 5398616 - Automatic rail fastener applicator (1995-03-21),

7. 5253844 - Hairpin spike pulling tool and machine therefor (1993-10-19),

8. 5191840 - Spike driving machine having pushing and percussive spike driving (1993-03-09),

9. 5038914 - Automatic tie plate sorting conveyor (1991-08-13),

10. 4974518 - Automatic tie plate setting machine (1990-12-04),

11. 4942822 - Method and apparatus for automatically setting rail tie plates (1990-07-24),

12. 4909375 - Automatic tie plate sorting conveyor (1990-03-20),

13. 4907686 - Automatic high speed tie plate reorienting mechanism (1990-03-13),

14. 4847606 - Control and display system (1989-07-11),

15. 4825919 - Railroad adzer debris removal means (1989-05-02),

Oak Industries, Inc. is a leading multinational company specializing in the manufacturing and distribution of industrial products. With a rich heritage of over 50 years, Oak Industries has successfully established itself as a trusted provider of high-quality and innovative solutions. Our diverse range of products includes electrical components, automation systems, and industrial machinery. We strive for excellence in delivering advanced technology, superior quality, and exceptional customer service. At Oak Industries, we are committed to shaping a better tomorrow through our dedication to innovation, sustainability, and corporate responsibility.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

90 Patents

#71 in San Diego, CA

#954 in California

#3,997 in US

#8,250 in the World

San Diego, CA, United States of America

Oak Industries, Inc.

Forward Citations = 3,493

81 inventors:

Willis A Larson (18 out of 18 patents)

Anthony J Van Zeeland (9 out of 9 patents)

Ronald S Denley (8 out of 26 patents)

4. Pieter Den Toonder (8 out of 9 patents)

5. Dennis J Cotic (7 out of 14 patents)

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