Growing community of inventors

Raleigh, NC, United States of America

Joel Wittkamp

Average Co-Inventor Count = 2.45

ph-index = 3

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 = 91

Joel WittkampBrian Hargrove Leonard (2 patents)Joel WittkampDonald C Presnell (2 patents)Joel WittkampPaul E Delmerico (2 patents)Joel WittkampBrad Forrest (2 patents)Joel WittkampRobert J Tokash (2 patents)Joel WittkampBrett Severance (2 patents)Joel WittkampDavid M Dobersztyn (1 patent)Joel WittkampCarl R Schulz (1 patent)Joel WittkampJoel Wittkamp (6 patents)Brian Hargrove LeonardBrian Hargrove Leonard (73 patents)Donald C PresnellDonald C Presnell (59 patents)Paul E DelmericoPaul E Delmerico (38 patents)Brad ForrestBrad Forrest (24 patents)Robert J TokashRobert J Tokash (16 patents)Brett SeveranceBrett Severance (2 patents)David M DobersztynDavid M Dobersztyn (7 patents)Carl R SchulzCarl R Schulz (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rubbermaid Commercial Products LLC (5 from 401 patents)

2. Avnet, Inc. (1 from 44 patents)


6 patents:

1. D420945 - Walker wheel

2. D398726 - Waste container trolley

3. 5704625 - Trash container carrier

4. D381168 - Cart

5. D379705 - Post for cart

6. D306025 - Antenna rotator control unit

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idiyas.com
as of
12/19/2025
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