Growing community of inventors

South Orange, NJ, United States of America

Charles E Gengler

Average Co-Inventor Count = 2.00

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 = 55

Charles E GenglerRobert E Petner (6 patents)Charles E GenglerCharles E Gengler (6 patents)Robert E PetnerRobert E Petner (65 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Nicelife, Inc. (4 from 4 patents)

2. Other (1 from 832,843 patents)


6 patents:

1. D610761 - Drain unclogger

2. 7350824 - Drain fitting

3. 7313844 - Trash receptacle cleaning product

4. D552719 - Drain fitting

5. D542991 - Handheld cleaning implement

6. 6709055 - Chair cover

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as of
12/29/2025
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