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For the Inventor, By the Inventor

Houston, TX, United States of America

Antek Instruments, L.p.

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USPTO Granted Patents = 10

Trademarks = 1

Forward Citations = 159

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13 inventors (with patents filed for the assignee):

goldMedal Eugene Malcolm Fujinari (4 out of 4 patents)

silverMedal Robert E Parks (3 out of 3 patents)

bronzeMedal Xinwei Yan (2 out of 2 patents)

4.  Randy L Wreyford (1 out of 2 patents)

5.  Abige Davie Harkins (1 out of 2 patents)

6.  James S Wreyford (1 out of 2 patents)

7.  Stephen Tarkanic (1 out of 2 patents)

8.  Allen J Britten (1 out of 1 patent)

9.  Mohammad Amin Abubaker (1 out of 2 patents)

10.  Michael G Bissell (1 out of 1 patent)

11.  Robert L Marietta (1 out of 1 patent)

12.  Rolf Bartke (1 out of 1 patent)

13.  John R Petersen (1 out of 5 patents)


10 patents:

1. 6636314 - Apparatus and methods for improving fluorescence detectors (2003-10-21),
2. 6458328 - Staged oxidation chamber for enhanced nitrogen and sulfur detection (2002-10-01),
3. 6143245 - Apparatus for near simultaneous chemiluminescent sulfur and nitrogen (2000-11-07),
4. 5916523 - Methods for near simultaneous chemiluminescent sulfur and nitrogen (1999-06-29),
5. 5888363 - Apparatus and method for interfacing an open capillary and detector for (1999-03-30),
6. 5300441 - Method for measuring and determining nitrogen content in a sample and (1994-04-05),
7. 4678756 - Chemiluminescent sulfur detection apparatus and method (1987-07-07),
8. 4352779 - Chemiluminescent sulfur detection apparatus and method (1982-10-05),
9. 4351801 - Combustion apparatus for use in elementary analysis (1982-09-28),
10. 4018562 - Chemiluminescent nitrogen detection apparatus and method (1977-04-19),
Company Overview
Antek Instruments, L.P. is a Houston-based company specializing in analytical instrumentation and solutions for various industries, including environmental, pharmaceutical, and petrochemical sectors. The organization focuses on developing advanced technologies for measuring and analyzing chemical compounds, ensuring compliance with regulatory standards. Antek's expertise encompasses gas chromatography, mass spectrometry, and other analytical techniques, positioning it as a key player in enhancing laboratory efficiency and accuracy in chemical analysis.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#473 in Houston, TX

#1,880 in Texas

#29,892 in US

#56,119 in the World

Houston, TX (US)
Houston, TX, United States of America

Antek Instruments, L.p.

Forward Citations = 159

13 inventors:

goldMedal Eugene Malcolm Fujinari (4 out of 4 patents)

silverMedal Robert E Parks (3 out of 3 patents)

bronzeMedal Xinwei Yan (2 out of 2 patents)

4.  Randy L Wreyford (1 out of 2 patents)

5.  Abige Davie Harkins (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Antek Instruments, L.p.. Retrieved from https://idiyas.com/company/antek-instruments

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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