Werner Gnauert — 10 Patents at Friedrich Grohe Ag

Werner Gnauert has been granted 10 US patents while listed as an inventor at Friedrich Grohe Ag. The first was granted in 1990 and the most recent in August 2017. Werner Gnauert ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Werner Gnauert in Iserlohn, DE.

Patents per Year

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date
9739040	Sanitary fitting	Wulf Woesthoff	2017-08-22
5947147	Recessed valve with built-in backflow preventer	Frank-Thomas Luig	1999-09-07
5704588	Disk-type cutoff and flow control valve	Harald Korfgen	1998-01-06
5660203	Deck-mount mixing-faucet assembly	Stefan Steinhoff	1997-08-26
5329967	Lever assembly for single-control mixing valve	—	1994-07-19
5259650	Releasable fast-action pipe coupling	Detlef Hochstein	1993-11-09
5213131	Vented mixing-type diverter faucet	Frank-Thomas Luig	1993-05-25
5213268	Sprayer faucet with antibackflow protection	Frank-Thomas Luig	1993-05-25
5079781	Backflow preventer for hand spray	Hans-Jurgen Jensen	1992-01-14
4921016	Water mixing valve	Horst Titze	1990-05-01