For the Inventor, By the Inventor

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Randolph, VT, United States of America

Vermont Castings, Inc.

USPTO Granted Patents = 45

Forward Citations = 606

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23 inventors (with patents filed for the assignee):

Duncan C Syme (26 out of 26 patents)

Vance R Smith (16 out of 17 patents)

Robert W Ferguson (6 out of 11 patents)

4. Allan S Wilker (6 out of 7 patents)

5. Derik K Andors (6 out of 11 patents)

6. Stephen F Richardson (5 out of 13 patents)

7. William W Crossman, Jr (4 out of 4 patents)

8. Richard S Blackburn (4 out of 4 patents)

9. John H Guest (2 out of 2 patents)

10. Jay F Kempf (2 out of 2 patents)

11. Brian J Tyrol (2 out of 2 patents)

12. Frank Alden (1 out of 2 patents)

13. William A Byrne (1 out of 1 patent)

14. Steven M Ballou (1 out of 1 patent)

15. Frank G Medros (1 out of 1 patent)

Core Competencies:

Freestanding Heating Appliance

Gas Burner

Zero Clearance Fireplace

Pellet Burning Stove

Wood Burning Stove

Clean Burning System

Heating Apparatus

Fuel Burning Heating

Fireplace Insert

Ash Pan Assembly

Combustion Efficiency

Fireplace Mantelpiece

45 patents: Sort by Forward Citations

1. D382337 - Freestanding heating appliance (1997-08-12),

2. 5571008 - Gas burner for use with artificial logs (1996-11-05),

3. D371835 - Zero clearance fireplace (1996-07-16),

4. 5137012 - Pellet burning stove (1992-08-11),

5. D327735 - Fireplace front (1992-07-07),

6. D327734 - Pellet burning stove (1992-07-07),

7. 5092313 - Gas log fireplace with high heat output (1992-03-03),

8. D311574 - Fireplace front (1990-10-23),

9. D308246 - Wood and coal burning stove (1990-05-29),

10. 4886445 - Gas burning artificial log assembly (1989-12-12),

11. 4884556 - Zero clearance fireplace (1989-12-05),

12. D303328 - Convertible woodbox (1989-09-12),

13. D303286 - Combined fireplace insert front panel and trim (1989-09-05),

14. 4858536 - Ash pan assembly for wood burning stove (1989-08-22),

15. 4856491 - High efficiency solid fuel burning stove (1989-08-15),

Company Overview

Vermont Castings, Inc. is a prominent manufacturer based in Randolph, Vermont, specializing in high-quality heating appliances. The company focuses on developing innovative solutions such as freestanding heating units, gas burners, and a variety of stoves, including wood and pellet-burning options. Their commitment to efficiency and sustainability is evident in their high-efficiency solid fuel systems and clean-burning retrofit technologies, catering to a diverse range of heating needs while promoting environmentally friendly practices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

45 Patents

#1 in Randolph, VT

#10 in Vermont

#7,787 in US

#15,450 in the World

Randolph, VT, United States of America

Vermont Castings, Inc.

Forward Citations = 606

23 inventors:

Duncan C Syme (26 out of 26 patents)

Vance R Smith (16 out of 17 patents)

Robert W Ferguson (6 out of 11 patents)

4. Allan S Wilker (6 out of 7 patents)

5. Derik K Andors (6 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vermont Castings, Inc.. Retrieved from https://idiyas.com/company/vermont-castings

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]

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