For the Inventor, By the Inventor

Enter assignee name

Hopkins, MN, United States of America

Electro-Craft Corporation

USPTO Granted Patents = 11

Trademarks = 14

Forward Citations = 289

Loading Chart...

Loading Chart...

11 inventors (with patents filed for the assignee):

Robert H Schmidt (2 out of 12 patents)

Erland K Persson (2 out of 2 patents)

Ronald W Fryer (2 out of 2 patents)

4. Jess Guerra (2 out of 2 patents)

5. David T Phillips (1 out of 5 patents)

6. Dennis R Hipkins (1 out of 1 patent)

7. Marvin L Schiedermayer (1 out of 2 patents)

8. Kazuo Mogi (1 out of 1 patent)

9. Muneo Suita (1 out of 1 patent)

10. Saeid M Razavi (1 out of 1 patent)

11. Saeid Meshkat-Razavi (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 4651068 - Brushless motor control circuitry with optimum current vector control (1987-03-17),

2. 4498037 - Velocity servo controller (1985-02-05),

3. 4426606 - Emergency stop device for brushless motors (1984-01-17),

4. 4417141 - Optical shaft angle encoder (1983-11-22),

5. 4322646 - Flux focussed DC motor and method for assembly (1982-03-30),

6. 4285595 - Modular encoder (1981-08-25),

7. 4208621 - Brushless DC motor control system (1980-06-17),

8. 4184071 - Modular encoder (1980-01-15),

9. 4088943 - Brushless DC tachometer circuit (1978-05-09),

10. 4086519 - Hall effect shaft angle position encoder (1978-04-25),

11. 3989992 - Pulse width modulated control system (1976-11-02),

Electro-craft Corporation is a leading provider of motion control solutions, offering a wide range of products such as servo drives, motors, and linear actuators. With over 50 years of experience, we specialize in customizing solutions to meet specific customer requirements in various industries including packaging, robotics, and manufacturing. Our innovative products and technical expertise have made us a preferred choice for companies seeking high-quality motion control solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

11 Patents

#5 in Hopkins, MN

#786 in Minnesota

#27,450 in US

#51,622 in the World

Hopkins, MN, United States of America

Electro-Craft Corporation

Forward Citations = 289

11 inventors:

Robert H Schmidt (2 out of 12 patents)

Erland K Persson (2 out of 2 patents)

Ronald W Fryer (2 out of 2 patents)

4. Jess Guerra (2 out of 2 patents)

5. David T Phillips (1 out of 5 patents)

Please report any incorrect information to [email protected]

Loading…