Method and apparatus for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Sep 9, 2004
app pub date -
Nov 10, 2003
filing date -
Jun 20, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
An apparatus and method for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium is disclosed. A method of mechanically removing soil from a surface intended to be cleaned includes the steps of successively and repeatedly: wetting a portion of a cleaning medium with a cleaning liquid; extracting any soil and at least some of the cleaning liquid from the previously wetted portion of the cleaning medium; and wiping the surface intended to be cleaned with the portion of the cleaning medium so as to transfer soil from the surface intended to be cleaned to the cleaning medium. Portable and vehicle-based devices may be utilized to practice the method of cleaning.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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TENNANT COMPANY | 10400 CLEAN STREET EDEN PRAIRIE MN 55344 |
International Classification(s)

- 2003 Application Filing Year
- D06F Class
- 200 Applications Filed
- 96 Patents Issued To-Date
- 48 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Giddings, Daniel G | Holland, MI | 6 | 251 |
# of filed Patents : 6 Total Citations : 251 | |||
Hekman, Frederick A | Holland, MI | 11 | 445 |
# of filed Patents : 11 Total Citations : 445 | |||
Wellens, Richard W | Plymouth, MN | 8 | 218 |
# of filed Patents : 8 Total Citations : 218 | |||
Wydra, Larry D | Plymouth, MN | 8 | 460 |
# of filed Patents : 8 Total Citations : 460 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 44 Citation Count
- D06F Class
- 96.84 % this patent is cited more than
- 21 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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