For the Inventor, By the Inventor

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Omaha, NE, United States of America

Cetac Technologies, Inc.

USPTO Granted Patents = 16

Forward Citations = 335

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9 inventors (with patents filed for the assignee):

Jianzhong Zhu (7 out of 10 patents)

Daniel R Wiederin (5 out of 152 patents)

Arthur P D'Silva (4 out of 10 patents)

4. John E Sutton (2 out of 2 patents)

5. Douglas T Gjerde (1 out of 102 patents)

6. Sidney L Geil (1 out of 1 patent)

7. Shi-Kit Chan (1 out of 1 patent)

8. David R Hilligoss (1 out of 1 patent)

9. Jeffrey Scott Johnson (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. D675748 - Testing rack (2013-02-05),

2. 5597467 - System for interfacing capillary zone electrophoresis and inductively (1997-01-28),

3. 5454860 - System for generating and providing a gaseous phase sample at relatively (1995-10-03),

4. 5454274 - Sequential combination low temperature condenser and enclosed filter (1995-10-03),

5. 5432096 - Simultaneous multiple, single wavelength electromagnetic wave energy (1995-07-11),

6. 5404219 - System for enhancing detection of sample components in plasma based (1995-04-04),

7. 5400665 - Sample introduction system for inductively coupled plasma and other (1995-03-28),

8. 5393673 - Method for particulate reagent sample treatment (1995-02-28),

9. 5382804 - Compact photoinization systems (1995-01-17),

10. 5353113 - Single and multiple radiation transparent afterglow electric discharge (1994-10-04),

11. 5272308 - Direct injection micro nebulizer and enclosed filter solvent removal (1993-12-21),

12. 5259254 - Sample introduction system for inductively coupled plasma and other (1993-11-09),

13. 5233156 - High solids content sample torches and method of use (1993-08-03),

14. 5212365 - Direct injection micro nebulizer system and method of use (1993-05-18),

15. 5192865 - Atmospheric pressure afterglow ionization system and method of use, for (1993-03-09),

Cetac Technologies, Inc. is a leading provider of innovative sample introduction systems for analytical instruments. With over 30 years of experience, Cetac specializes in developing high-quality solutions for laboratories in the fields of environmental analysis, life sciences, and more. Their products help improve analytical efficiency, accuracy, and reliability, allowing scientists to achieve better results in their research and analysis.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

16 Patents

#22 in Omaha, NE

#62 in Nebraska

#19,271 in US

#36,634 in the World

Omaha, NE, United States of America

Cetac Technologies, Inc.

Forward Citations = 335

9 inventors:

Jianzhong Zhu (7 out of 10 patents)

Daniel R Wiederin (5 out of 152 patents)

Arthur P D'Silva (4 out of 10 patents)

4. John E Sutton (2 out of 2 patents)

5. Douglas T Gjerde (1 out of 102 patents)

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