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Trademarks = 1

Forward Citations = 216

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9 inventors (with patents filed for the assignee):

Ross Clark Willoughby (3 out of 33 patents)

Wade L Fite (2 out of 12 patents)

Richard L Myers (2 out of 8 patents)

4. James D Buchner, Jr (1 out of 4 patents)

5. Edward L McCall (1 out of 4 patents)

6. Richard T Brackmann (1 out of 3 patents)

7. Sanjai K Bijawat (1 out of 1 patent)

8. Stephen M Penn (1 out of 1 patent)

9. Suhas N Ketkar (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 5285064 - Method and apparatus for introduction of liquid effluent into mass (1994-02-08),

2. 5172581 - Method and apparatus for analyzing encapsulated vapors (1992-12-22),

3. 5142143 - Method and apparatus for preconcentration for analysis purposes of trace (1992-08-25),

4. 4980557 - Method and apparatus surface ionization particulate detectors (1990-12-25),

5. 4977785 - Method and apparatus for introduction of fluid streams into mass (1990-12-18),

6. 4968885 - Method and apparatus for introduction of liquid effluent into mass (1990-11-06),

7. 4814613 - Collision cell for triple quadrupole tandem mass spectrometry (1989-03-21),

Extrel Corporation is a leading provider of mass spectrometry solutions for research and industrial applications. With over 50 years of experience, Extrel offers a wide range of high-performance mass spectrometers and related products, along with expert support and customization services. Their innovative technology and commitment to quality make them a trusted partner for scientists and engineers around the world.

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USPTO Data Jan 1 1976 - Dec 30 2025

7 Patents

#208 in Pittsburgh, PA

#1,418 in Pennsylvania

#38,840 in US

Pittsburgh, PA, United States of America

Extrel Corporation