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Wayland, MA, United States of America

Hans Peter Schaefer

Average Co-Inventor Count = 4.00

ph-index = 1

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 = 4

Hans Peter SchaeferDaniel B Lazarchik (2 patents)Hans Peter SchaeferAndrew F Sandford (2 patents)Hans Peter SchaeferLars R Lieberwirth (2 patents)Hans Peter SchaeferLars Lieberwirth (0 patent)Hans Peter SchaeferDaniel Lazarchik (0 patent)Hans Peter SchaeferHans Peter Schaefer (2 patents)Daniel B LazarchikDaniel B Lazarchik (30 patents)Andrew F SandfordAndrew F Sandford (18 patents)Lars R LieberwirthLars R Lieberwirth (15 patents)Lars LieberwirthLars Lieberwirth (0 patent)Daniel LazarchikDaniel Lazarchik (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Procter Gamble Company (2 from 17,167 patents)


2 patents:

1. 12114651 - Insect trap device and method of using

2. 11445716 - Insect trap device and method of using

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as of
12/30/2025
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