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For the Inventor, By the Inventor

Omaha, NE, United States of America

Cetac Technologies, Inc.

USPTO Granted Patents = 16

Forward Citations = 342

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9 inventors (with patents filed for the assignee):

goldMedal Jianzhong Zhu (7 out of 10 patents)

silverMedal Daniel R Wiederin (5 out of 158 patents)

bronzeMedal 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 104 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:

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),
Company Overview
Cetac Technologies, Inc., based in Omaha, NE, specializes in the development and manufacturing of advanced analytical instrumentation and sample introduction systems. The company focuses on enhancing the efficiency and accuracy of elemental analysis across various industries, including environmental monitoring, pharmaceuticals, and materials science. With a commitment to innovation, Cetac Technologies aims to provide solutions that improve laboratory workflows and data quality, supporting researchers and scientists in their analytical endeavors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

16 Patents

#25 in Omaha, NE

#63 in Nebraska

#19,935 in US

#37,868 in the World

Omaha, NE (US)
Omaha, NE, United States of America

Cetac Technologies, Inc.

Forward Citations = 342

9 inventors:

goldMedal Jianzhong Zhu (7 out of 10 patents)

silverMedal Daniel R Wiederin (5 out of 158 patents)

bronzeMedal 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 104 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cetac Technologies, Inc.. Retrieved from https://idiyas.com/company/cetac-technologies

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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