US Patent No: 5,975,076

Number of patents in Portfolio can not be more than 2000

Dry powder inhalers

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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 LIMITEDLONDON117

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ganderton, David Exeter, GB 44 421
Lee, Ka-lok Carroll London, GB 1 22
Marriott, Christopher East Sussex, GB 6 31
Martin, Gary Peter East Sussex, GB 8 38
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)
* 5,673,685 Device for generating inhalable active substance particles 10 1994
 
Other [Check patent profile for assignment information] (2)
* 4,739,754 Suction resistant inhalator 78 1986
* 5,113,855 Powder inhaler 128 1990
 
ASTRA AKTIEBOLAG (1)
* 5,582,162 Inhaler for multiple use 34 1995
 
BYK GULDEN LOMBERG CHEMISCHE FABRIK GMBH (1)
* 5,320,714 Powder inhalator 86 1992
 
Boehringer Ingelheim KG (2)
* 5,507,281 Device for initiating a mechanical switching operation in synchronism with the breathing 39 1994
* 5,685,294 Powder inhaler having magazine storage and a hinged mouthpiece 42 1994
 
Glaxo Inc. (1)
* 5,239,993 Dosage inhalator providing optimized compound inhalation trajectory 77 1992
 
ASTRAZENECA AB (1)
* 4,907,583 Device in powder inhalators 152 1988
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Laboratoire Glaxo Wellcome (2)
* 6,220,243 Inhalation device 23 2000
* 6,484,718 Inhalation device 33 2000
 
ORIEL THERAPEUTICS, INC. (8)
6,889,690 Dry powder inhalers, related blister devices, and associated methods of dispensing dry powder substances and fabricating blister packages 56 2003
7,677,411 Apparatus, systems and related methods for processing, dispensing and/or evaluatingl dry powders 0 2003
7,118,010 Apparatus, systems and related methods for dispensing and /or evaluating dry powders 17 2003
6,985,798 Dry powder dose filling systems and related methods 12 2003
7,451,761 Dry powder inhalers, related blister package indexing and opening mechanisms, and associated methods of dispensing dry powder substances 23 2004
7,377,277 Blister packages with frames and associated methods of fabricating dry powder drug containment systems 7 2004
7,520,278 Dry powder inhalers, related blister devices, and associated methods of dispensing dry powder substances and fabricating blister packages 15 2005
7,428,446 Dry powder dose filling systems and related methods 2 2005
 
INJET DIGITAL AEROSOLS LIMITED (1)
7,073,499 Inhaler with airflow regulation 21 2002
 
PAUL ROYALTY FUND, L.P. (3)
* 6,182,655 Inhaler for multiple dosed administration of a pharmacological dry powder 82 1998
7,131,441 Inhaler for multiple dosed administration of a pharmacological dry powder 14 2000
D469527 Pharmacological inhaler 8 2000
 
NOVARTIS AG (1)
8,408,200 Flow resistance modulated aerosolized active agent delivery 2 1999
 
THE UNIVERSITY OF WESTERN ONTARIO (1)
8,037,880 Dry powder inhaler 14 2006
 
APTAR RADOLFZELL GMBH (1)
* 6,484,715 Media dispenser 23 1999
 
NOVARTIS PHARMA AG (3)
6,655,379 Aerosolized active agent delivery 45 1999
6,606,992 Systems and methods for aerosolizing pharmaceutical formulations 41 2000
7,185,651 Flow regulator for aerosol drug delivery and methods 5 2003
 
MIBE GMBH ARZNEIMITTEL (1)
* 6,752,147 Inhalation apparatus for powder medications 13 2000
 
ORION CORPORATION (1)
* 6,814,072 Powder inhaler 5 2002
* Cited By Examiner