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Toledo, OH, United States of America

Eltra Corporation

USPTO Granted Patents = 82

Trademarks = 16

Forward Citations = 964

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86 inventors (with patents filed for the assignee):

William J Roberts (5 out of 10 patents)

Walter I Hansen (5 out of 8 patents)

Calvin V Kern (5 out of 6 patents)

4. Jeffrey T Major (4 out of 8 patents)

5. Richard W Mattson (4 out of 7 patents)

6. Henry E Jensen (3 out of 4 patents)

7. Carl K Dudley (3 out of 4 patents)

8. John P Badger (2 out of 4 patents)

9. Gary E Lang (2 out of 5 patents)

10. Andrew T Tershak (2 out of 2 patents)

11. Norman F Sieja (2 out of 3 patents)

12. Herbert Klepper (2 out of 2 patents)

13. Roger J Lang (2 out of 5 patents)

14. Elwin J Brayley (2 out of 2 patents)

15. Raymond D Miele, Jr (2 out of 2 patents)

Core Competencies:

Electronic Ignition

Spark Advance

Battery Management

Dynamoelectric Machine

Hydraulic Cylinder

Optical System

Pressure Gauge

Refractory Compositions

Throttle Control

Character Generation

Sports Shoe

Multi-Conductor Cable

82 patents: Sort by Forward Citations

1. 4718330 - Hydraulic cylinder (1988-01-12),

2. 4371833 - Speed switch (1983-02-01),

3. 4369666 - Starter drive assembly (1983-01-25),

4. 4368717 - Automatic shut-off circuit for electronic ignition system (1983-01-18),

5. 4359597 - Twisted pair multi-conductor ribbon cable with intermittent straight (1982-11-16),

6. 4359508 - Lead-acid storage battery (1982-11-16),

7. 4354466 - Idle speed controller (1982-10-19),

8. 4348840 - Modular hazardous dust collection pan and walkway (1982-09-14),

9. 4347819 - Ignition spark advance using a constant peak to peak amplitude timing (1982-09-07),

10. 4347455 - Removable brush holder with brush clamping device (1982-08-31),

11. 4346377 - Method and apparatus for encoding and generating characters in a display (1982-08-24),

12. 4345553 - Multiple step advance with magnetic trigger rotor (1982-08-24),

13. 4345245 - Method and apparatus for arranging segmented character groups in a (1982-08-17),

14. 4344008 - Brush spring tension adjustment for dynamoelectric machine (1982-08-10),

15. 4343153 - Anti-supercharge pressure valve (1982-08-10),

Eltra Corporation is a leading provider of electrical and automation solutions. With over 50 years of industry experience, we specialize in delivering innovative products and services to a wide range of industries. Our expertise includes control systems, power distribution, industrial automation, and energy management. Through our commitment to quality and customer satisfaction, we have built a strong reputation as a trusted partner for businesses seeking reliable solutions for their electrical needs.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

82 Patents

#14 in Toledo, OH

#208 in Ohio

#4,518 in US

#9,236 in the World

Toledo, OH, United States of America

Eltra Corporation

Forward Citations = 964

86 inventors:

William J Roberts (5 out of 10 patents)

Walter I Hansen (5 out of 8 patents)

Calvin V Kern (5 out of 6 patents)

4. Jeffrey T Major (4 out of 8 patents)

5. Richard W Mattson (4 out of 7 patents)

Please report any incorrect information to [email protected]

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