Growing community of inventors

Niederacherli, Switzerland

Hans Kach

Average Co-Inventor Count = 2.00

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 = 9

Hans KachPeter Spiegel (1 patent)Hans KachHans Kach (1 patent)Peter SpiegelPeter Spiegel (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Von Roll Ag (1 from 65 patents)


1 patent:

1. 5246578 - Filter press and cleaning means therefor

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/16/2026
Loading…