Forward Citations = 136

Loading Chart...

1 inventor (with patents filed for the assignee):

John Ditcher (5 out of 7 patents)

5 patents: Sort by Forward Citations

1. 4103901 - Molded pleated gasket and device for installing same on pipe (1978-08-01),

2. 4088361 - Lifting arrangements for massive objects (1978-05-09),

3. 4073048 - Gasket seal between sewer pipe and manhole opening (1978-02-14),

4. 3980311 - Joint assembly for vertically aligned sectionalized manhole structures (1976-09-14),

5. 3974615 - Apparatus for forming steps in manholes and the like (1976-08-17),

Company Overview

A-lok Corporation is a leading manufacturer and distributor of high-quality industrial fittings and valves. With over 50 years of experience in the industry, we are known for our reliable products and exceptional customer service. Our extensive product line includes pipe fittings, tubing fittings, valves, and accessories for various industries such as oil & gas, chemical, and pharmaceutical. We are committed to providing innovative solutions and value to our customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#13 in Trenton, NJ

#1,898 in New Jersey

#51,620 in US

Trenton, NJ, United States of America

A-Lok Corporation

Forward Citations = 136

1 inventor:

John Ditcher (5 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: A-Lok Corporation. Retrieved from https://idiyas.com/company/a-lok

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]