Forward Citations = 152

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6 inventors (with patents filed for the assignee):

Joseph J Marazzo (5 out of 5 patents)

Gerald Rockower (4 out of 7 patents)

Frank D Russo (2 out of 37 patents)

4. Michael G Palmer (2 out of 5 patents)

5. Gary L Hartmann (1 out of 1 patent)

6. Gary L Hartman (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5598647 - Material transfer apparatus and method (1997-02-04),

2. 5487228 - Material transfer apparatus and method (1996-01-30),

3. 5306101 - Cutting/expanding tool (1994-04-26),

4. 5171106 - Cutting/expanding tool (1992-12-15),

5. 5098225 - Cutting/expanding tool (1992-03-24),

6. 4881567 - Liquid removal system (1989-11-21),

Company Overview

Brooklyn Union Gas is a natural gas distribution company serving the boroughs of Brooklyn, Staten Island, and parts of Queens in New York City. With a history dating back to 1895, we have provided safe and reliable gas service to residential, commercial, and industrial customers. Our services include gas line installation and maintenance, meter reading and billing, and assistance with energy efficiency programs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#80 in Brooklyn, NY

#2,695 in New York

#44,981 in US

Brooklyn, NY, United States of America

Brooklyn Union Gas

Forward Citations = 152

6 inventors:

Joseph J Marazzo (5 out of 5 patents)

Gerald Rockower (4 out of 7 patents)

Frank D Russo (2 out of 37 patents)

4. Michael G Palmer (2 out of 5 patents)

5. Gary L Hartmann (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Brooklyn Union Gas. Retrieved from https://idiyas.com/company/brooklyn-union-gas

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]