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Forward Citations = 268

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9 inventors (with patents filed for the assignee):

Richard K DeFreez (6 out of 15 patents)

Kenneth L Girvin (6 out of 16 patents)

Donald R Webster (3 out of 11 patents)

4. Mingguang Li (2 out of 2 patents)

5. Frederic C Schildmeyer (2 out of 5 patents)

6. James Brady (1 out of 3 patents)

7. Joel C Johnson (1 out of 8 patents)

8. Craig D Adams (1 out of 2 patents)

9. Herbert Goldsmith (1 out of 9 patents)

13 patents: Sort by Forward Citations

1. 6784990 - Particle detection system implemented with a mirrored optical system (2004-08-31),

2. 6498641 - Condensation nucleus counter with multi-directional fluid flow system (2002-12-24),

3. 6414754 - Method and apparatus for suppressing stray light in particle detectors (2002-07-02),

4. 6137572 - High sensitivity optical fluid-borne particle detection (2000-10-24),

5. 6111642 - Flow apertured intracavity laser particle detector (2000-08-29),

6. 6061132 - Dual detector array with noise cancellation for a particle size (2000-05-09),

7. 6031610 - Multi-lobe pump for particle counters (2000-02-29),

8. 6016194 - Particles counting apparatus and method having improved particle sizing (2000-01-18),

9. 5946092 - Dual laser heterodyne optical particle detection technique (1999-08-31),

10. 4487504 - Reflectance measuring instrument with integrating sphere (1984-12-11),

11. 4443108 - Optical analyzing instrument with equal wavelength increment indexing (1984-04-17),

12. 4422760 - Optical analyzing instrument having vibrating trough (1983-12-27),

13. 4400086 - Instrument for grinding and analyzing material in ground state (1983-08-23),

Pacific Scientific Instruments Company is a leading provider of high-quality scientific instruments and equipment for research laboratories and industrial applications. With a focus on innovation and customer satisfaction, we offer a wide range of products including spectrophotometers, microscopes, and laboratory accessories. Our team of experts is dedicated to providing top-notch service and support to help our customers achieve their research goals.

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USPTO Data Jan 1 1976 - Dec 9 2025

13 Patents

#2 in Grants Pass, OR

#237 in Oregon

#23,099 in US

#43,615 in the World

Grants Pass, OR, United States of America

Pacific Scientific Instruments Company