Growing community of inventors

Chelsea, VT, United States of America

Duncan C Syme

Average Co-Inventor Count = 1.32

ph-index = 9

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 220

Duncan C SymeVance R Smith (10 patents)Duncan C SymeBrian J Tyrol (2 patents)Duncan C SymeRobert W Ferguson (1 patent)Duncan C SymeDerik K Andors (1 patent)Duncan C SymeAllan S Wilker (1 patent)Duncan C SymeCharles B McLaughlin, Jr (1 patent)Duncan C SymeEldon L Caldwell (1 patent)Duncan C SymeDuncan C Syme (26 patents)Vance R SmithVance R Smith (17 patents)Brian J TyrolBrian J Tyrol (2 patents)Robert W FergusonRobert W Ferguson (11 patents)Derik K AndorsDerik K Andors (11 patents)Allan S WilkerAllan S Wilker (7 patents)Charles B McLaughlin, JrCharles B McLaughlin, Jr (1 patent)Eldon L CaldwellEldon L Caldwell (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Vermont Castings, Inc. (26 from 45 patents)


26 patents:

1. D311574 - Fireplace front

2. D308246 - Wood and coal burning stove

3. D303328 - Convertible woodbox

4. D301059 - Wood and coal burning stove

5. D300355 - Free standing fireplace

6. D300354 - Wood and coal burning stove

7. D280127 - Fireplace front

8. D278955 - Park bench

9. D278396 - Park bench

10. 4499889 - Method and apparatus for improved construction of fuel burning heating

11. 4487195 - Fuel burning heating apparatus

12. D275878 - Wood and coal burning stove

13. 4466419 - Cooking method and apparatus for use with wood-burning stove

14. D269806 - Warming shelf for a parlor stove

15. 4367725 - Wood and coal burning heating method and apparatus

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/17/2025
Loading…