Growing community of inventors

Strassen, Luxembourg

Darrell E Covert

Average Co-Inventor Count = 2.15

ph-index = 5

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 = 83

Darrell E Covert ↔ Paul Bryan Maxwell (7 patents)Darrell E Covert ↔ Philip S Hammond (1 patent)Darrell E Covert ↔ William E Egan (1 patent)Darrell E CovertDarrell E Covert (7 patents)Paul Bryan MaxwellPaul Bryan Maxwell (266 patents)Philip S HammondPhilip S Hammond (35 patents)William E EganWilliam E Egan (23 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Goodyear & Tire Rubber Company (7 from 7,038 patents)


7 patents:

1. D340685 - Tire

2. D338436 - Tire tread and buttress

3. D338437 - Tire tread and buttress

4. D329412 - Pneumatic tire tread and buttress

5. D329032 - Pneumatic tire tread and buttress

6. D328584 - Pneumatic tire tread and buttress

7. D328582 - Pneumatic tire tread and buttress

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as of
1/14/2026
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