Growing community of inventors

New York, NY, United States of America

Howard Mankin

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 45

Howard MankinPeter Chapman (2 patents)Howard MankinDerek Pyner (2 patents)Howard MankinSteve Kazemir (2 patents)Howard MankinHoward Mankin (2 patents)Peter ChapmanPeter Chapman (3 patents)Derek PynerDerek Pyner (2 patents)Steve KazemirSteve Kazemir (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Envision This, Inc. (2 from 2 patents)


2 patents:

1. 6052841 - System for preventing toilet overflows

2. 5940899 - System for preventing toilet overflows

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as of
12/12/2025
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