Growing community of inventors

Newtown, PA, United States of America

Duncan P Copland

Average Co-Inventor Count = 1.75

ph-index = 6

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 = 230

Duncan P CoplandDavid J Wanat (1 patent)Duncan P CoplandBarry M Haber (1 patent)Duncan P CoplandJason M Long (1 patent)Duncan P CoplandJoseph M Sulik (1 patent)Duncan P CoplandGregory S Wahl (1 patent)Duncan P CoplandRobert Kubicko (1 patent)Duncan P CoplandCharles D Hartwig (1 patent)Duncan P CoplandLudwin Mora (1 patent)Duncan P CoplandJames Taylor Lloyd (1 patent)Duncan P CoplandRichard Pallo (1 patent)Duncan P CoplandVelissa Van Scoyoc (1 patent)Duncan P CoplandGeorge Parson (1 patent)Duncan P CoplandLudwin Mora (1 patent)Duncan P CoplandDuncan P Copland (10 patents)David J WanatDavid J Wanat (25 patents)Barry M HaberBarry M Haber (25 patents)Jason M LongJason M Long (23 patents)Joseph M SulikJoseph M Sulik (20 patents)Gregory S WahlGregory S Wahl (18 patents)Robert KubickoRobert Kubicko (5 patents)Charles D HartwigCharles D Hartwig (4 patents)Ludwin MoraLudwin Mora (4 patents)James Taylor LloydJames Taylor Lloyd (3 patents)Richard PalloRichard Pallo (2 patents)Velissa Van ScoyocVelissa Van Scoyoc (1 patent)George ParsonGeorge Parson (1 patent)Ludwin MoraLudwin Mora (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Conair Corporation (5 from 824 patents)

2. Wahl Clipper Corporation (2 from 321 patents)

3. Remington Corporation, L.l.c. (1 from 46 patents)

4. Conair Cip, Inc. (1 from 22 patents)


10 patents:

1. D524588 - Coffee maker

2. D510837 - Blender

3. D482926 - Coffee grinder

4. D443725 - Beard and mustache trimmer

5. D443466 - Convection steamer

6. D406154 - Ice cream maker

7. D393773 - Toaster

8. D386822 - Ladies shaver

9. D365421 - Rechargeable hair clipper

10. D362584 - Toaster

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idiyas.com
as of
1/8/2026
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