% Expired Patents = 11.1

Forward Citations = 204

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9 inventors (with patents filed for the assignee):

Errol P EerNisse (4 out of 22 patents)

Terrence John O'Neill (4 out of 19 patents)

Jerome M Paros (3 out of 19 patents)

4. Walter P Kistler (2 out of 24 patents)

5. Robin W Gollnick (2 out of 8 patents)

6. Michael A Pikula (1 out of 7 patents)

7. Fred Koermer (1 out of 1 patent)

8. Robert B Wiggins (1 out of 5 patents)

9. Gary J Banik (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 7427157 - Wind velocity measuring apparatus (2008-09-23),

2. 6873573 - Wireless synchronous time system (2005-03-29),

3. 6507170 - Battery pack having a plurality of battery slots (2003-01-14),

4. 6033110 - Bimetal coil thermometer movement (2000-03-07),

5. 4724351 - Double resonating beam force transducer with reduced longitudinal pumping (1988-02-09),

6. 4592663 - Resonator temperature transducer (1986-06-03),

7. 4479391 - Resonator force transducer assembly (1984-10-30),

8. 4384495 - Mounting system for applying forces to load-sensitive resonators (1983-05-24),

9. 4372173 - Resonator force transducer (1983-02-08),

Company Overview

Quartex, Inc. is a leading provider of innovative software solutions for businesses. With a focus on improving efficiency and productivity, Quartex offers a range of products including project management software, CRM systems, and data analytics tools. Their mission is to help companies streamline their operations and achieve success in today's competitive market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#3 in Lake Geneva, WI

#719 in Wisconsin

#32,565 in US

Lake Geneva, WI, United States of America

Quartex, Inc.

Forward Citations = 204

9 inventors:

Errol P EerNisse (4 out of 22 patents)

Terrence John O'Neill (4 out of 19 patents)

Jerome M Paros (3 out of 19 patents)

4. Walter P Kistler (2 out of 24 patents)

5. Robin W Gollnick (2 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Quartex, Inc.. Retrieved from https://idiyas.com/company/quartex

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]