For the Inventor, By the Inventor

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Norwood, MA, United States of America

Masoneilan International, Inc.

USPTO Granted Patents = 11

Trademarks = 1

Forward Citations = 231

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11 inventors (with patents filed for the assignee):

Hans D Baumann (4 out of 70 patents)

Philip H Sanford (1 out of 4 patents)

Karl S Borg (1 out of 1 patent)

4. Gareth A Keith (1 out of 2 patents)

5. Paul V Smagghe (1 out of 1 patent)

6. Raymond B Villier (1 out of 1 patent)

7. Paul Wing (1 out of 1 patent)

8. Alain B Verdelet (1 out of 1 patent)

9. Herbert K Paetzel (1 out of 2 patents)

10. Rudolf Lindackers (1 out of 1 patent)

11. Willy V Weydt (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 4722507 - Piston sealing ring apparatus (1988-02-02),

2. 4693450 - Low-noise control valve (1987-09-15),

3. 4601459 - Improved butterfly valve (1986-07-22),

4. 4292991 - Erosion resistant valve (1981-10-06),

5. 4125129 - Fixed and variable resistance fluid throttling apparatus (1978-11-14),

6. 4050670 - Variable force actuator (1977-09-27),

7. 4050479 - Fluid resistance device (1977-09-27),

8. 4019363 - Calibration apparatus and method (1977-04-26),

9. 4007908 - Process and device for attenuating noise caused by a valve during the (1977-02-15),

10. 3987809 - Fluid resistance device (1976-10-26),

11. 3971411 - Variable resistance type throttling trim (1976-07-27),

Masoneilan International, Inc. is a global leader in providing control valve solutions for a wide range of industries including oil and gas, power generation, and chemical processing. With a history dating back over a century, Masoneilan has built a reputation for quality, reliability, and innovation in valve technology. Their products are known for their precision and durability, making them a trusted choice for customers around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

11 Patents

#15 in Norwood, MA

#1,611 in Massachusetts

#26,691 in US

#50,190 in the World

Norwood, MA, United States of America

Masoneilan International, Inc.

Forward Citations = 231

11 inventors:

Hans D Baumann (4 out of 70 patents)

Philip H Sanford (1 out of 4 patents)

Karl S Borg (1 out of 1 patent)

4. Gareth A Keith (1 out of 2 patents)

5. Paul V Smagghe (1 out of 1 patent)

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