Proportioner
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 25, 1998
Issued Date -
N/A
app pub date -
May 20, 1996
filing date -
Jun 14, 1994
priority date (Note) -
Expired
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Patent Longevity
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Forward Citations
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Abstract
This proportioner (10) is used in conjunction with a water supply connector (12) to provide a fluid mixing device for water and liquid detergent. The proportioner (10) includes a valve body (20) providing an inlet nozzle (14) and an air gap chamber (15) and an outlet (18) housing a venturi system (16). The venturi system (16) includes a venturi nozzle (40) aligned with the inlet nozzle (14) and having deflecting flats (42), a venturi tube (46) and a venturi throat (52) communicating with a detergent induction fitting (50).
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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DEMA ENGINEERING CO | ST LOUIS MO |
International Classification(s)

- 1996 Application Filing Year
- E03C Class
- 48 Applications Filed
- 18 Patents Issued To-Date
- 37.50 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Naslund, Paul E | St. Louis, MO | 7 | 94 |
# of filed Patents : 7 Total Citations : 94 | |||
Nowicki, Michael L | House Springs, MO | 6 | 180 |
# of filed Patents : 6 Total Citations : 180 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 5 Citation Count
- E03C Class
- 0 % this patent is cited more than
- 27 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 |
Full Text

Matter Detail

Renewals Detail
