Markus Erni — 10 Patents at Rieter Machine Works

Markus Erni has been granted 10 US patents while listed as an inventor at Rieter Machine Works. The first was granted in 1987 and the most recent in November 2025. Markus Erni ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Markus Erni in Winterthur, CH.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date
12472675	Solenoid valve	Manuel Keel	2025-11-18
5185993	Spinning machine having a peg tray conveyor	Isidor Fritschi, Urs Keller, Urs Meyer, Jurg Wernli	1993-02-16
5172540	Apparatus for changing bobbin tubes and tube gripper therefor	Joerg Wernli, Daniel Brennwalder, Isidor Fritschi, Andreas Wanzenried	1992-12-22
5113123	Ring spinning machine	Hans Noser	1992-05-12
5036656	Apparatus for block changing in a ring spinning machine	Peter Anderegg, Daniel Brennwalder	1991-08-06
5029438	Apparatus for changing bobbin tubes and tube gripper therefor	Joerg Wernli, Daniel Brennwalder, Isidor Fritschi, Andreas Wanzenried	1991-07-09
5014505	Apparatus for changing bobbin tubes and tube gripper therefor	Joerg Wernli, Daniel Brennwalder, Isidor Fritschi, Andreas Wanzenried	1991-05-14
4944033	Communications system for an installation and method of controlling such installation	—	1990-07-24
4715550	Method and apparatus for controlling the effective length of thread packages	Kurt Salvisberg	1987-12-29
4656465	Method and arrangement for evaluating the performance of a yarn processing machine	Kurt Salvisberg, Marcel Zund	1987-04-07

Markus Erni — 10 Patents

Issued Patents All Time

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