Forward Citations = 119

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10 inventors (with patents filed for the assignee):

Richard A Goldbach (8 out of 13 patents)

Frank E McConnell (5 out of 7 patents)

Robert D Goldbach (5 out of 8 patents)

4. Charles A Garland (4 out of 5 patents)

5. James A McMichael (3 out of 3 patents)

6. Richard Salzer (2 out of 2 patents)

7. Joseph Cuneo (2 out of 2 patents)

8. Edmund G Tornay (1 out of 10 patents)

9. William A Wagner (1 out of 4 patents)

10. J Richard Salzer (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 6186273 - Self-contained staging system for cleaning and painting bulk cargo holds (2001-02-13),

2. 6102157 - Self-contained staging system for cleaning and painting bulk cargo holds (2000-08-15),

3. 5823291 - Self-contained device for cleaning and coating hold surfaces in a bulk (1998-10-20),

4. 5577454 - Tank vessel subassembly for equipment, piping and other nonstructural (1996-11-26),

5. 5520131 - Apparatus and method for accommodating leaked oil within a double-hulled (1996-05-28),

6. 5320055 - Double-layered vessel wall construction with longitudinally staggered (1994-06-14),

7. 5313903 - Method and apparatus for fabricating double-walled vessel hull midbody (1994-05-24),

8. 5269246 - Vessel hull construction and method (1993-12-14),

9. 5211125 - Apparatus and method for performing external surface work on ships' hulls (1993-05-18),

10. 5090351 - Vessel hull construction and method (1992-02-25),

11. 5086723 - Double-hulled vessel construction having vertical double-walled (1992-02-11),

12. 5085161 - Vessel hull and construction method (1992-02-04),

Company Overview

Metro Machine Corporation, based in Norfolk, Virginia, specializes in providing comprehensive ship repair and maintenance services. The company focuses on supporting both military and commercial maritime operations, offering expertise in various areas including structural repairs, mechanical systems, and electrical work. With a commitment to quality and safety, Metro Machine plays a vital role in ensuring the operational readiness of vessels, contributing to the efficiency of maritime activities in the region.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#10 in Norfolk, VA

#441 in Virginia

#25,540 in US

#48,129 in the World

Norfolk, VA, United States of America

Metro Machine Corporation

Forward Citations = 119

10 inventors:

Richard A Goldbach (8 out of 13 patents)

Frank E McConnell (5 out of 7 patents)

Robert D Goldbach (5 out of 8 patents)

4. Charles A Garland (4 out of 5 patents)

5. James A McMichael (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Metro Machine Corporation. Retrieved from https://idiyas.com/company/metro-machine

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]