US Patent No: 5,295,957

Number of patents in Portfolio can not be more than 2000

Breast pump having a pressure adjusting mechanism

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A breast pump for extracting milk from a human breast includes an extracting cup and has an engagement portion for engaging the breast. A container has a mouth portion connected to the extracting cup. A milk receiving bag is mounted to the mouth portion and suspended in the container. An air suction source is connected to the container in order to produce air suction inside the container. An air path connects the interior of the extracting cup and the inside of the container, wherein the air suction creates a negative air pressure condition to assist in the suction of milk. The milk flows by gravity through the extracting cup and into the milk receiving bag without contact with the air suction source or the inside of the container.

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First Claim

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all claims..

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Patent Owner(s)

Patent OwnerAddressTotal Patents
PIGEON CO., LTD.TOKYO0

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aida, Shigeru Ichihara, JP 36 137
Uehara, Hiroyuki Tokyo, JP 23 220

Cited Art Landscape

Patent Info (Count) # Cites Year
 
JEX CO., LTD. (2)
* 4,886,494 Milking apparatus 45 1988
* 4,883,464 Milking equipment 55 1988
 
AMEDA AG, ZUG (1)
* 4,673,388 Breast pump 69 1985
 
Aurora Search Ltd. (1)
* 4,950,236 Breast pump adapter for filling infant nursers having disposable liners 31 1988
 
ISG/AG (1)
* 4,964,851 Battery-powered breastpump 69 1989
 
JFV, INC. (1)
* 4,781,698 Selectable drop size infusion metering device 14 1987
 
KIRCHNER & WLHELM (1)
* 4,583,970 Milk suction device 62 1985
 
Pigeon Co., Ltd. (1)
* 4,759,747 Breast pump including pressure adjusting means 61 1986
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
PLAYTEX PRODUCTS, INC. (12)
6,616,000 Infant feeding and storage system 17 2002
D484236 Breast cup 6 2002
D486223 Breast cup 5 2002
D485614 Breast cup housing 3 2002
7,666,162 Breast cup 6 2002
* 6,884,229 Method of collecting, storing and feeding breast milk 12 2003
* 7,004,339 Infant feeding and storage system 7 2003
* 6,959,826 Resealable nurser liner 3 2003
* 7,073,674 Resealable nurser liner 4 2003
7,776,008 Manual breast pump 5 2004
7,776,009 Breast cup 2 2007
7,806,855 Manual breast pump 5 2007
 
MEDELA HOLDING AG (10)
* 5,954,690 Alternating suction breastpump assembly and method 30 1997
* 6,139,521 Breastpump having particular application as a small motorized pump capable of double-breast pumping 26 1997
6,676,631 Vacuum and rate control for a breastpump 21 1999
7,255,681 Diaphragm pump and pump for double-breast pumping 12 2000
6,997,897 Diaphragm pump and pump for double-breast pumping 7 2000
6,481,986 Vacuum adjustment mechanism particularly adapted for a breastpump 18 2000
6,497,677 Manual breastmilk pump 14 2001
* 8,512,010 Membrane pump with bleed valve 0 2005
8,070,715 Method and apparatus for minimum negative pressure control, particularly for breastpump with breastshield pressure control system 4 2007
8,070,716 Method and apparatus for minimum negative pressure control, particularly for a breastpump with breastshield pressure control system 3 2008
 
BAXTER CORPORATION ENGLEWOOD (4)
* 7,081,109 Sterile docking apparatus and method 22 2002
7,922,711 Sterile docking apparatus and method 1 2006
D571912 Medical connector docking device 5 2006
7,875,020 Sterile docking apparatus and method 0 2009
 
MEDELA, INC. (4)
* 5,601,531 Breast pump assembly and method of using same 40 1995
* 6,110,140 Manual breastmilk pump 42 1997
6,257,847 Diaphragm pump and pump for double-breast pumping 39 1998
6,299,594 Vacuum regulator for a breastmilk pump 19 2000
 
TOMY INTERNATIONAL, INC. (4)
6,749,582 Pumping breast milk 31 2002
* 8,591,458 Pumping breast milk 0 2004
8,398,584 Breast pump and method of use 1 2010
8,900,182 Breast pump and method of use 0 2012
 
GERBER PRODUCTS COMPANY (3)
D372975 Electric breast pump 9 1994
* 5,542,921 Electric breast pump 47 1994
6,383,164 Massaging breast pump and funnel therefor 36 2000
 
ATOSSA GENETICS, INC. (2)
* 6,287,521 Methods and devices for obtaining and assaying mammary fluid samples for evaluating breast diseases, including cancer 81 1998
* 6,887,210 Devices and methods for obtaining mammary fluid samples for evaluating breast diseases, including cancer 22 2001
 
FIRST YEARS INC., THE (2)
* 6,910,594 Method and apparatus for storing milk 18 2002
8,079,975 Pump apparatus 1 2008
 
Gerber/Baby Care (2)
* 5,843,029 Manual breast pump 33 1996
* 6,152,896 Manual breast pump 26 1998
 
EVENFLO FEEDING, INC. (1)
* 6,090,065 Self-cycling breast pump 28 1998
 
EVEREADY BATTERY COMPANY, INC. (1)
8,734,385 Manual breast pump 0 2010
 
JACKEL INTERNATIONAL LIMITED (1)
8,523,804 Breast attachment 0 2010
 
OMW, Inc. (1)
* 6,093,168 Breast pump attachment to a household vacuum cleaner 8 1995
 
TRIMED AG (1)
* 6,290,671 Regulating device for a breast pump 13 2000
 
Other [Check patent profile for assignment information] (5)
* 6,004,288 Breast pump 18 1998
* 6,500,143 Breast pump 9 2001
7,559,915 Breast pump device with self-contained breast milk reservoir 9 2005
8,118,772 Breast pump device with self-contained breast milk reservoir 5 2008
8,469,770 Multifunction brassiere cup 0 2010
* Cited By Examiner