For the Inventor, By the Inventor

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Rancho Bernardo, CA, United States of America

Oak Industries, Inc.

USPTO Granted Patents = 90

Trademarks = 1

Forward Citations = 3,501

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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 19 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:

Rail Anchor Remover

Automatic Tie Plate Setting

Optical Encoder

Spike Driving Machine

Railway Maintenance System

Rail Fastener Applicator

Modular Maintenance Equipment

Debris Removal

Keyboard Switch

Video Scrambling

Cable TV Security

Flexible Printed Circuit

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),

Company Overview

Oak Industries, Inc., based in Rancho Bernardo, California, specializes in the development and manufacturing of advanced railway maintenance equipment. The company focuses on innovative solutions such as rail anchor removers, automatic tie plate setting systems, and spike driving machines, enhancing the efficiency and safety of railway operations. Their expertise extends to optical encoders and modular maintenance equipment, contributing to comprehensive railway maintenance systems and effective debris removal strategies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

90 Patents

#1 in Rancho Bernardo, CA

#970 in California

#4,151 in US

#8,535 in the World

Rancho Bernardo, CA, United States of America

Oak Industries, Inc.

Forward Citations = 3,501

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)

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