RW

Richard F. Wulff

CI Castex Incorporated: 6 patents #1 of 7Top 15%
CI Castex Industries: 5 patents #1 of 3Top 35%
AM Advance Machine: 1 patents #4 of 11Top 40%
SD Southwest Manufacturers & Distributors: 1 patents #4 of 5Top 80%
TE Tennant: 1 patents #106 of 188Top 60%
📍 Maple Plain, MN: #9 of 85 inventorsTop 15%
🗺 Minnesota: #5,333 of 52,454 inventorsTop 15%
Overall (All Time): #357,078 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6249926 Sequential actuation skirt and brush floor scrubber 2001-06-26
6115880 Vacuum cleaner configuration Daniel G. Giddings 2000-09-12
6085383 Vacuum cleaner brush wrap geometry Nilabh Narayan, Daniel G. Giddings, Dick Mason 2000-07-11
6079080 Upright floor cleaner Bryce G. Rutter, Charles W. Loeb-Munson 2000-06-27
5611106 Carpet maintainer 1997-03-18
5608939 Motor and driver mount diaphragm burnisher Steve Waldhauser 1997-03-11
D352146 Compact carpet extractor 1994-11-01
D345035 Floor machine handle 1994-03-08
D343932 Burnisher Luciano Hernandez, IV 1994-02-01
D337185 Carpet vacuum cleaner 1993-07-06
D316765 Cleaning machine 1991-05-07
4956891 Floor cleaner 1990-09-18
4756042 Floor polishing machine Vincent P. Genovese 1988-07-12
4186459 Carpet brush attachment for a floor treating machine 1980-02-05