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Pittsburgh, PA, United States of America

Claritech Corporation

USPTO Granted Patents = 35

% Expired Patents = 14.3

Forward Citations = 1,253

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12 inventors (with patents filed for the assignee):

David A Evans (16 out of 24 patents)

Michael L Horowitz (12 out of 13 patents)

Michael J McInerny (7 out of 7 patents)

4. Chengxiang Zhai (3 out of 4 patents)

5. Stewart M Clamen (3 out of 3 patents)

6. Thomas P Neuendorffer (1 out of 4 patents)

7. Pero Subasic (1 out of 8 patents)

8. Norbert Roma (1 out of 4 patents)

9. Christopher C Lichti (1 out of 2 patents)

10. Davis A Evans (1 out of 1 patent)

11. Emilia Stoica (1 out of 1 patent)

12. Alison Huettner (1 out of 1 patent)

Core Competencies:

Vector Space Retrieval

Information Mining

Document Signatures

Database Retrieval

Fuzzy Typing

Profile Score

Character Recognition

Search Queries

Subdocuments

Transaction Log

Text Retrieval

Database Modification

35 patents: Sort by Forward Citations

1. 7356604 - Method and apparatus for comparing scores in a vector space retrieval process (2008-04-08),

2. 6915308 - Method and apparatus for information mining and filtering (2005-07-05),

3. 6876998 - Method for cross-linguistic document retrieval (2005-04-05),

4. 6820079 - Method and apparatus for retrieving text using document signatures (2004-11-16),

5. 6728701 - Method and apparatus for database retrieval utilizing vector optimization (2004-04-27),

6. 6721734 - Method and apparatus for information management using fuzzy typing (2004-04-13),

7. 6587850 - Method and apparatus for profile score threshold setting and updating (2003-07-01),

8. 6523030 - Sort system for merging database entries (2003-02-18),

9. 6505198 - Sort system for text retrieval (2003-01-07),

10. 6473755 - Overlapping subdocuments in a vector space search process (2002-10-29),

11. 6463434 - Method and apparatus for profile score threshold setting and updating (2002-10-08),

12. 6453079 - Method and apparatus for displaying regions in a document image having a low recognition confidence (2002-09-17),

13. 6446066 - Method and apparatus using run length encoding to evaluate a database (2002-09-03),

14. 6430559 - Method and apparatus for profile score threshold setting and updating (2002-08-06),

15. 6418455 - System for modifying a database using a transaction log (2002-07-09),

Company Overview

Claritech Corporation, based in Pittsburgh, PA, specializes in advanced technology solutions that enhance operational efficiency across various sectors. The company focuses on developing innovative software and hardware systems, particularly in the fields of automation and data analytics. With a commitment to research and development, Claritech aims to provide cutting-edge solutions that address complex challenges in industries such as manufacturing, healthcare, and logistics, fostering growth and technological advancement.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

35 Patents

#70 in Pittsburgh, PA

#355 in Pennsylvania

#9,756 in US

#19,181 in the World

Pittsburgh, PA, United States of America

Claritech Corporation

Forward Citations = 1,253

12 inventors:

David A Evans (16 out of 24 patents)

Michael L Horowitz (12 out of 13 patents)

Michael J McInerny (7 out of 7 patents)

4. Chengxiang Zhai (3 out of 4 patents)

5. Stewart M Clamen (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Claritech Corporation. Retrieved from https://idiyas.com/company/claritech

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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