Forward Citations = 141

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3 inventors (with patents filed for the assignee):

George B Davis (2 out of 9 patents)

William R Shields (2 out of 2 patents)

Robert W Irving (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4637301 - Contamination control work station (1987-01-20),

2. D287621 - Clean air work station (1987-01-06),

3. 4560395 - Compact blower and filter assemblies for use in clean air environments (1985-12-24),

4. 4267769 - Prefabricated knockdown clean room (1981-05-19),

Company Overview

Environmental Air Control, Inc. is a leading provider of HVAC solutions for residential and commercial properties. With over 20 years of experience in the industry, they offer a wide range of services including installation, maintenance, and repairs for air conditioning and heating systems. Their team of skilled technicians is dedicated to providing top-quality service and ensuring customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#7 in Hagerstown, MD

#896 in Maryland

#60,671 in US

Hagerstown, MD, United States of America

Environmental Air Control, Inc.

Forward Citations = 141

3 inventors:

George B Davis (2 out of 9 patents)

William R Shields (2 out of 2 patents)

Robert W Irving (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Environmental Air Control, Inc.. Retrieved from https://idiyas.com/company/environmental-air-control

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]