For the Inventor, By the Inventor

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Boston, MA, United States of America

Pneumo Corporation

USPTO Granted Patents = 61

Forward Citations = 773

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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

Control Valves

Servo Systems

Pressure Vessels

Transducers

Hydraulic Systems

Actuator Control

Thermocouples

Direct Drive Valves

Composite Cylinders

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.

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Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

61 Patents

#44 in Boston, MA

#335 in Massachusetts

#5,908 in US

#11,905 in the World

Boston, MA, United States of America

Pneumo Corporation

Forward Citations = 773

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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