Forward Citations = 86

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4 inventors (with patents filed for the assignee):

Sidney Lieberman (1 out of 3 patents)

Stanley B Reichlin (1 out of 1 patent)

Sideny Lieberman (1 out of 1 patent)

4. L Nelson Burnett, Jr (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 4222147 - Door closer with assist or door operating features (1980-09-16),

2. 4148111 - Temperature compensating hydraulic door closer (1979-04-10),

3. 4069546 - Soffit plate and limit stop for use with hydraulic door closer (1978-01-24),

4. 4019220 - Piston assembly for door closer (1977-04-26),

Company Overview

Reading Door Closer Corporation is a leading manufacturer of high-quality door closers and accessories. With over 50 years of experience in the industry, we provide innovative solutions for commercial, residential, and industrial applications. Our products are known for their durability, reliability, and ease of installation. We are committed to customer satisfaction and offer a wide range of products to meet the needs of our clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#2 in Reamstown, PA

#2,214 in Pennsylvania

#60,671 in US

Reamstown, PA, United States of America

Reading Door Closer Corporation

Forward Citations = 86

4 inventors:

Sidney Lieberman (1 out of 3 patents)

Stanley B Reichlin (1 out of 1 patent)

Sideny Lieberman (1 out of 1 patent)

4. L Nelson Burnett, Jr (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Reading Door Closer Corporation. Retrieved from https://idiyas.com/company/reading-door-closer

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]