1
Farid Vaghefi: Dry powder inhaler. Vivorx Pharmaceuticals, Stephen E Reiter, Gray Cary Ware & Freidenrich, March 2, 1999: US05875776 (171 worldwide citation)

A dry powder inhaler includes a housing, a dosing cartridge, and a spacer. Within the housing are a source of pressurized gas, a pressure gauge, a metered valve controlled by a trigger, a safety valve, and an electrostatic charger also controlled by the trigger. The dosing cartridge contains individ ...


2
Michael T Newhouse, W Douglas Baines: Dry powder inhaler and process that explosively discharges a dose of powder and gas from a soft plastic pillow. Robert M Wolters, September 27, 1994: US05349947 (134 worldwide citation)

A powder inhaler and process are provided for aerosolizing finely powdered or pulverized medication and a gas provided in a pillow or blister-type container of extremely thin elastic suitable plastic construction. The pillow is compressed between an anvil with a conical depression and a confronting ...


3
Robert F Eisele, Allan Cameron, David Titzler, Leonard Porche: Dry powder inhaler delivery system. Dura Pharmaceuticals, Lyon & Lyon, April 22, 1997: US05622166 (132 worldwide citation)

A powder storage and delivery system for a drug powder inhaler has a carrier disk with a blister shell sealed by a shear layer. A tab is adhered to the shear layer, underneath the blister shell. The carrier disk is placed into a dry powder inhaler. An actuator pushes against the tab, causing the she ...


4
Robert F Eisele, Karen Davies, Nelson Holton, Tim Kline, Ian Smith: Dry powder inhaler. Dura Pharmaceuticals, Lyon & Lyon, July 13, 1999: US05921237 (123 worldwide citation)

A drug powder inhaler has a cover plate pivotably attached to a lid on an inhaler housing. A lever is pivotably attached to the cover plate. A blister pack disk is rotatably mounted on the housing under the cover plate. A powder duct in the housing extends from a staging chamber underneath one end o ...


5
Mark B Mecikalski, David R Williams, David O Thueson: Dry powder inhaler. Dura Pharmaceuticals, Lyon & Lyon, November 26, 1996: US05577497 (113 worldwide citation)

A dry powder medicine inhaler has an impeller non-concentrically disposed in a mixing chamber. A motor spins the impeller at high speed. A plunger introduces a dose of powdered medicine into the chamber so that all powder particles are available for intermixing disaggregation and comminution. An ape ...


6
Mark B Mecikalski, David R Williams, David O Thueson: Dry powder inhaler. Dura Pharmaceuticals, Lyon & Lyon, February 20, 1996: US05492112 (104 worldwide citation)

A dry powder medicine inhaler has an impeller non-concentrically disposed in a mixing chamber. A motor spins the impeller at high speed. A plunger introduces a dose of powdered medicine into the chamber so that all powder particles are available for intermixing disaggregation and comminution. An ape ...


7
Thomas R Jackson, Karen Davies, Jeff Chen, Mike Ligotke, Allan Cameron: Dry powder inhaler. Dura Pharmaceuticals, Lyon & Lyon, September 12, 2000: US06116238 (100 worldwide citation)

A dry powder inhaler has a slider for incrementally advancing a blister disk, to provide successive doses of a dry powder pharmaceutical. A blister disk is rotatably supported on a spindle on a deck plate of the inhaler. A powder port, an advancing slot, and a lifter slot extend through the deck pla ...


8
David Ganderton, Nuha M Kassem: Aerosol carriers. British Technology Group, Nixon & Vanderhye, December 27, 1994: US05376386 (99 worldwide citation)

Pharmaceutical excipients useful in dry powder inhalents comprise particles having a rugosity (measured by air permeametry) of less than 1.75. The use of these carriers increases the amount of drug injested by the patient using a dry powder inhaler. The preferred excipients are crystalline sugars su ...


9
Robert F Eisele, Allan Cameron, David Titzler, Leonard Porche: Dry powder inhaler delivery system. Dura Pharmaceuticals, Lyon & Lyon, February 29, 2000: US06029663 (99 worldwide citation)

A powder storage and delivery system for a drug powder inhaler has a carrier disk with a blister shell sealed by a shear layer. A tab is adhered to the shear layer, underneath the blister shell. The carrier disk is placed into a dry powder inhaler. An actuator pushes against the tab, causing the she ...


10
Laurence Keane, David O&apos Leary: Pre-metered dose magazine for breath-actuated dry powder inhaler. IVAX Corporation, McDermott Will & Emery, December 2, 2003: US06655381 (92 worldwide citation)

A pre-metered dose assembly for consistently supplying precise doses of medicament is provided for a breath-actuated dry powder inhaler. The assembly includes a cap defining a dry powder delivery passageway for providing air to a dry powder supply port of a swirl chamber of a breath-actuated dry pow ...