Growing community of inventors

Aurora, IL, United States of America

Damon A Johnston

Average Co-Inventor Count = 2.18

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 = 348

Damon A JohnstonGeorge L Garcia (5 patents)Damon A JohnstonPaul E Papenhause (2 patents)Damon A JohnstonThomas L Drehobl (1 patent)Damon A JohnstonDamon A Johnston (6 patents)George L GarciaGeorge L Garcia (12 patents)Paul E PapenhausePaul E Papenhause (2 patents)Thomas L DrehoblThomas L Drehobl (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Suncast Corporation (6 from 287 patents)


6 patents:

1. D307044 - Rotary sprinkler

2. 4777976 - Portable hose cart and method of use

3. 4764047 - Vehicle and patio washing brush

4. 4671434 - Fertilizer spreader

5. 4660803 - Quick coupling connector for connecting flexible liquid conduits

6. 4586676 - Garden hose storage apparatus having hose guide

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as of
1/21/2026
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