For the Inventor, By the Inventor

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Boston, MA, United States of America

Pneumo Corporation

USPTO Granted Patents = 61

Forward Citations = 770

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35 inventors (with patents filed for the assignee):

Robert D Vanderlaan (16 out of 21 patents)

James N Tootle (8 out of 11 patents)

Louis C Hrusch (6 out of 7 patents)

4. Dan O Bauer (5 out of 7 patents)

5. Eugene J Martin (5 out of 7 patents)

6. John W Meulendyk (4 out of 4 patents)

7. Michael A Pauwels (4 out of 4 patents)

8. Robert M Salemka (3 out of 3 patents)

9. Charles D Bradley, Jr (3 out of 4 patents)

10. Terry L Benton (3 out of 7 patents)

11. William H Schwagerman (2 out of 3 patents)

12. Richard P Heintz (2 out of 8 patents)

13. Jack M Brandstadter (2 out of 6 patents)

14. William Dirkin (2 out of 9 patents)

15. Duane Douglass (2 out of 3 patents)

Core Competencies:

Fluid Actuators

Torque Motors

Landing Gear Mechanisms

Direct Drive Valves

Control Actuation Systems

Thermocouple Assemblies

Hydropneumatic Suspension Systems

Composite Pressure Vessels

Electro-Mechanical Systems

Adaptive Control Systems

Spherical Bearing Assemblies

Free Piston Engine Pumps

61 patents: Sort by Forward Citations

1. 4841844 - Fluid actuators with LVDT feedback mechanisms (1989-06-27),

2. 4816707 - Limited angle torque motor with wide rotation poles (1989-03-28),

3. 4729529 - Landing gear mechanism including bypass valve assembly for reducing (1988-03-08),

4. 4714006 - Fluid actuator with feedback mechanism (1987-12-22),

5. 4697499 - Dual tandem composite cylinder assembly (1987-10-06),

6. 4685589 - Composite pressure vessel including a fluid port directly through the (1987-08-11),

7. 4685384 - Fluid actuator including composite cylinder assembly (1987-08-11),

8. 4672992 - Direct drive valve-ball drive mechanism (1987-06-16),

9. 4646786 - Fluid control valves with angled metering ports (1987-03-03),

10. 4641812 - Direct drive valve and force motor assembly including interchangeable (1987-02-10),

11. 4627467 - Pilot operated directional control valve (1986-12-09),

12. 4619288 - Adjustable transducer and lock mechanism for monitoring valve position (1986-10-28),

13. 4612526 - Torque motor with high torque poles and magnetic centering spring (1986-09-16),

14. 4600910 - Limited angle torque motor with high torque output multiple coils and (1986-07-15),

15. 4596970 - Limited angle torque motor with high stiffness and natural frequency (1986-06-24),

Pneumo Corporation is a global leader in manufacturing and supplying pneumatics equipment. With over 50 years of experience, we offer a wide range of pneumatic solutions for various industries including manufacturing, automotive, and aerospace. Our products are known for their reliability, durability, and efficiency. We strive to deliver innovative and high-quality solutions that exceed our customers' expectations. Visit our website to explore our product catalog and learn more about our company.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

61 Patents

#44 in Boston, MA

#323 in Massachusetts

#5,704 in US

#11,491 in the World

Boston, MA, United States of America

Pneumo Corporation

Forward Citations = 770

35 inventors:

Robert D Vanderlaan (16 out of 21 patents)

James N Tootle (8 out of 11 patents)

Louis C Hrusch (6 out of 7 patents)

4. Dan O Bauer (5 out of 7 patents)

5. Eugene J Martin (5 out of 7 patents)

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