Dry powder inhalers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5975076
SERIAL NO

08666537

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A dry powder inhaler is provided which comprises a reservoir of medicament powder, a dispensing chamber for receiving a charge of powder to be dispensed having a floor upon which the powder charge lies prior to inhalation, an inlet passage having at its outlet end a nozzle protruding into the dispensing chamber directed toward the floor thereof and an inhalation passage exiting from the chamber through which the powder may be inhaled entrained in air drawn into the inhaler through the air inlet passage. The inhalation passage has an inlet at the dispensing chamber and an outlet through which the powder may be inhaled and comprises a first upstream portion having a roof and a floor both of which rise progressively with respect to a straight line drawn form the center of the inlet to the center of the outlet ad a second portion having a roof and a floor both of which fall progressively with respect to the line in the downstream direction.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BTG INTERNATIONAL LIMITEDLONDON122

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ganderton, David Exeter, GB 44 660
Lee, Ka-lok Carroll London, GB 1 22
Marriott, Christopher East Sussex, GB 6 43
Martin, Gary Peter East Sussex, GB 8 49
Suen, Kwok-On London, GB 1 22
Timsina, Mukunda Swansea, GB 1 22
Yianneskis, Michael London, GB 1 22

Cited Art Landscape

Patent Info (Count) # Cites Year
 
PULMOTEC GMBH (1)
* 5673685 Device for generating inhalable active substance particles 11 1994
 
Other [Check patent profile for assignment information] (2)
* 4739754 Suction resistant inhalator 84 1986
* 5113855 Powder inhaler 139 1990
 
ASTRA AKTIEBOLAG (1)
* 5582162 Inhaler for multiple use 42 1995
 
BYK GULDEN LOMBERG CHEMISCHE FABRIK GMBH (1)
* 5320714 Powder inhalator 92 1992
 
Boehringer Ingelheim KG (2)
* 5507281 Device for initiating a mechanical switching operation in synchronism with the breathing 47 1994
* 5685294 Powder inhaler having magazine storage and a hinged mouthpiece 53 1994
 
Glaxo Inc. (1)
* 5239993 Dosage inhalator providing optimized compound inhalation trajectory 97 1992
 
ASTRAZENECA AB (1)
* 4907583 Device in powder inhalators 187 1988
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
LABORATOIRE GLAXO WELLCOME S.A. (2)
* 6220243 Inhalation device 23 2000
* 6484718 Inhalation device 38 2000
 
ORIEL THERAPEUTICS, INC. (9)
6889690 Dry powder inhalers, related blister devices, and associated methods of dispensing dry powder substances and fabricating blister packages 80 2003
* 2004/0025,877 Dry powder inhalers, related blister devices, and associated methods of dispensing dry powder substances and fabricating blister packages 14 2003
7677411 Apparatus, systems and related methods for processing, dispensing and/or evaluatingl dry powders 3 2003
7118010 Apparatus, systems and related methods for dispensing and /or evaluating dry powders 26 2003
6985798 Dry powder dose filling systems and related methods 20 2003
7451761 Dry powder inhalers, related blister package indexing and opening mechanisms, and associated methods of dispensing dry powder substances 50 2004
7377277 Blister packages with frames and associated methods of fabricating dry powder drug containment systems 32 2004
7520278 Dry powder inhalers, related blister devices, and associated methods of dispensing dry powder substances and fabricating blister packages 41 2005
7428446 Dry powder dose filling systems and related methods 2 2005
 
INJET DIGITAL AEROSOLS LIMITED (1)
7073499 Inhaler with airflow regulation 25 2002
 
PAUL ROYALTY FUND, L.P. (3)
* 6182655 Inhaler for multiple dosed administration of a pharmacological dry powder 118 1998
7131441 Inhaler for multiple dosed administration of a pharmacological dry powder 48 2000
D469527 Pharmacological inhaler 32 2000
 
NOVARTIS AG (1)
8408200 Flow resistance modulated aerosolized active agent delivery 28 1999
 
THE UNIVERSITY OF WESTERN ONTARIO (2)
8037880 Dry powder inhaler 42 2006
* 2007/0235,029 Dry powder inhaler 67 2006
 
APTAR RADOLFZELL GMBH (1)
* 6484715 Media dispenser 52 1999
 
TAISHO PHARMACEUTICAL CO., LTD. (1)
* 2006/0275,219 Radial spherical crystallization product, process for producing the same, and dry powder preparation containing the crystallization product 1 2004
 
NOVARTIS PHARMA AG (3)
6655379 Aerosolized active agent delivery 81 1999
6606992 Systems and methods for aerosolizing pharmaceutical formulations 75 2000
7185651 Flow regulator for aerosol drug delivery and methods 7 2003
 
MIBE GMBH ARZNEIMITTEL (1)
* 6752147 Inhalation apparatus for powder medications 20 2000
 
ORION CORPORATION (1)
* 6814072 Powder inhaler 9 2002
 
HUGO KERN UND LIEBERS GMBH & CO. KG PLATINEN- UND FEDERNFABRIK (1)
* 2005/0092,323 Inhaler 4 2004
* Cited By Examiner