PW

Peter Worwag

FF Firma Fedag: 14 patents #1 of 3Top 35%
DA Dupro Ag: 11 patents #1 of 8Top 15%
DA Düpro Ag: 10 patents #1 of 1Top 100%
📍 Romanshorn, CH: #1 of 31 inventorsTop 4%
Overall (All Time): #94,923 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
7941893 Vacuum cleaning tool and method for its operation 2011-05-17
7316050 Vacuum cleaning tool having an exchangeable attachment 2008-01-08
7246408 Cleaning tool with rotatably driven working tool 2007-07-24
7246410 Vacuum cleaning tool having an air turbine with stabilizing air stream 2007-07-24
D524002 Vacuum cleaner head with light 2006-06-27
6813809 Vacuum cleaning tool with rotating brush roller 2004-11-09
6615445 Vacuum cleaning tool with direct flow turbine 2003-09-09
6550099 Vacuum cleaning tool with exchangeable vacuum shoes 2003-04-22
6484356 Vacuum cleaning tool with pear-shaped turbine chamber 2002-11-26
6477735 Vacuum cleaning tool with an outlet ramp 2002-11-12
D457696 Vacuum cleaning tool 2002-05-21
6134745 Vacuum cleaning tool having a brush roller that can be pivoted out 2000-10-24
D427398 Vacuum turbobrush 2000-06-27
D424260 Manual turbobrush 2000-05-02
5950275 Vacuum cleaning tool for a vacuum cleaning apparatus 1999-09-14
5920939 Floor cleaning apparatus having a rotating brush roller 1999-07-13
D381479 Vacuum cleaner 1997-07-22
5617611 Suction line assembly 1997-04-08
5611109 Cleaning roller for the suction head of a vacuum cleaning device 1997-03-18
5551119 Vacuum cleaning tool with electrically driven brush roller 1996-09-03
D371654 Vacuum cleaner 1996-07-09
5416948 Vacuum cleaning tool for wet and dry vacuum cleaners 1995-05-23
5412837 Vacuum cleaner 1995-05-09
5369839 Vacuum cleaner 1994-12-06
5293665 Nozzle mechanism for a vacuum cleaner 1994-03-15