% Expired Patents = 20.0

Forward Citations = 407

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7 inventors (with patents filed for the assignee):

Todd M Rossi (5 out of 5 patents)

Jonathan D Douglas (4 out of 5 patents)

Dale Rossi (2 out of 2 patents)

4. Timothy P Stockman (2 out of 2 patents)

5. Marcus V A Bianchi (2 out of 2 patents)

6. Keith A Temple (1 out of 1 patent)

7. Changlin Sun (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 8024938 - Method for determining evaporator airflow verification (2011-09-27),

2. 7079967 - Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment (2006-07-18),

3. 6973793 - Estimating evaporator airflow in vapor compression cycle cooling equipment (2005-12-13),

4. 6701725 - Estimating operating parameters of vapor compression cycle equipment (2004-03-09),

5. 6658373 - Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment (2003-12-02),

Company Overview

Field Diagnostic Services, Inc. provides cutting-edge diagnostic solutions for a wide range of industries including healthcare, agriculture, and environmental monitoring. Our innovative technology allows for quick and accurate testing in the field, giving our clients the information they need to make informed decisions. With a team of experienced professionals, we are dedicated to delivering high-quality results and exceptional customer service.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#3 in Langhorne, PA

#1,871 in Pennsylvania

#51,620 in US

Langhorne, PA, United States of America

Field Diagnostic Services, Inc.

Forward Citations = 407

7 inventors:

Todd M Rossi (5 out of 5 patents)

Jonathan D Douglas (4 out of 5 patents)

Dale Rossi (2 out of 2 patents)

4. Timothy P Stockman (2 out of 2 patents)

5. Marcus V A Bianchi (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Field Diagnostic Services, Inc.. Retrieved from https://idiyas.com/company/field-diagnostic-services

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]