Hans Mathieu — 4 Patents at Unknown

Hans Mathieu has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in August 2004. Hans Mathieu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hans Mathieu in Riegelsberg, DE.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
6780980	Process for the modification of surface	Hans Sigrist, Yann Chevolot, David Crout, José-Paolo Martins, Dieter Lohmann	2004-08-24
4624324	Turning mechanism operating alternately in opposite directions to facilitate the driving in or extracting of piles	Jurgen Hochstrasser	1986-11-25
4526242	Drilling device	Jurgen Hochstrasser	1985-07-02
4295759	Device for the control of the internal pressure in a drill pipe for the construction of footings	Jurgen Hochstrasser	1981-10-20

Hans Mathieu — 4 Patents

Issued Patents All Time

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