CIPO Patents = 1

Trademarks = 2

Forward Citations = 138

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5 inventors (with patents filed for the assignee):

Harish N Lilani (3 out of 3 patents)

Donald N Mehl (2 out of 13 patents)

John W Weber (1 out of 3 patents)

4. Larry K Holen (1 out of 1 patent)

5. Vernon L Discher (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 6562741 - Firefighter garment outer shell fabric utilizing stock dyed melamine fiber and ring-spun yarn for making the same (2003-05-13),

2. 5506043 - Thermal protective fabric and core-spun heat resistant yarn for making (1996-04-09),

3. 5496625 - Melamine thermal protective fabric and core-spun heat resistant yarn for (1996-03-05),

4. 4665652 - Door frame structure (1987-05-19),

5. 4443508 - Edge protector (1984-04-17),

6. 4331729 - Heat resistant and protective fabric and yarn for making the same (1982-05-25),

Company Overview

Norfab Corporation is a premier provider of industrial solutions, specializing in the design and fabrication of high-quality products for a wide range of industries. With over 30 years of experience, Norfab offers customized solutions, including precision machining, welding, and assembly services. Our team of skilled professionals is dedicated to delivering superior products and exceptional customer service.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#7 in Norristown, PA

#1,623 in Pennsylvania

#44,981 in US

Norristown, PA, United States of America

Norfab Corporation

Forward Citations = 138

5 inventors:

Harish N Lilani (3 out of 3 patents)

Donald N Mehl (2 out of 13 patents)

John W Weber (1 out of 3 patents)

4. Larry K Holen (1 out of 1 patent)

5. Vernon L Discher (1 out of 1 patent)

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

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]

1 patent (CIPO):

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]