Peter Hafner — 8 Patents at Flowtec Ag

Peter Hafner has been granted 8 US patents while listed as an inventor at Flowtec Ag. The first was granted in 1983 and the most recent in September 1999. Peter Hafner ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Peter Hafner in Therwil, CH.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
5955681	Galvanic electrode of an electromagnetic flow meter	Robert H. Schafer, Roland Unterseh	1999-09-21
5280727	Electromagnetic flow measuring tube and method of making same	Roland Unterseh	1994-01-25
5210496	Method and circuit arrangement for intermittent application of a voltage to an electrode	—	1993-05-11
4932268	Electromagnetic flow measuring arrangement	—	1990-06-12
4784193	Flowmeter	Rudolf Schmied	1988-11-15
4422337	Method of compensating the interference DC voltages in the electrode circuit in magnetic-conductive flow measurement	—	1983-12-27
4410926	Arrangement for generating DC magnetic fields of alternating polarity for the magnetic-inductive flow measurement	Peter Flecken	1983-10-18
4382387	Method of compensating the interference DC voltages in the electrode circuit in magnetic-conductive flow measurement	—	1983-05-10

Peter Hafner — 8 Patents

Issued Patents All Time

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