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Class Information
Number: 141/23
Name: Fluent material handling, with receiver or receiver coacting means > Filling or refilling of dispensers > By operation of means causing or controlling dispensing > Removable dispenser is supply container closure > Expansible chamber dispenser
Description: Devices in which the dispenser is characterized by a means capable of establishing a volumetric change effective to control dispensing.

Sub-classes under this class:

Class Number Class Name Patents
141/24 Resilient wall 37

Patents under this class:

Patent Number Title Of Patent Date Issued
8636041 Methods and devices for delivering fluid to a reservoir of a fluid delivery device Jan. 28, 2014
8459312 Press in bottle adapter Jun. 11, 2013
8408250 Bone replacement material mixing and delivery devices and methods of use Apr. 2, 2013
8403008 Metered dose applicator with light for activating product Mar. 26, 2013
8359971 Leak resistant siphoning device for use in fluid transfer Jan. 29, 2013
7913720 Automated drug preparation apparatus including serial dilution functionality Mar. 29, 2011
7886779 Needle venting device for sealed containers Feb. 15, 2011
7743949 Assembly for packaging and dispensing liquid Jun. 29, 2010
7125519 Actuator coupling system and a pipetting module comprising such a coupling system Oct. 24, 2006
7121308 Fuel supply device for direct methanol fuel cells Oct. 17, 2006
6112779 Bottle stopper having a device for drawing up metered amounts of the liquid contained in said bottle Sep. 5, 2000
6045003 Liquid dosage dispensers Apr. 4, 2000
5950690 Liquid dosage dispensers Sep. 14, 1999
5882593 Chemical waste treatment apparatus Mar. 16, 1999
5836359 Liquid dosage dispensers Nov. 17, 1998
5746349 Childproof dosing device May. 5, 1998
5558136 Bone cement cartridge with secondary piston Sep. 24, 1996
5511592 Spare bottle for an ink refilling of piston-type fountain pens or of writing implements fitted with an ink reservoir and an ink conducting system Apr. 30, 1996
5477895 Outlet metering assembly Dec. 26, 1995
5472022 Injection pen solution transfer apparatus and method Dec. 5, 1995
5469897 Apparatus for filling grease guns Nov. 28, 1995
5344232 Bone cement mixing and loading apparatus Sep. 6, 1994
5273086 Closed cup provided with a lip capable of being taken in the mouth by a user and combined cupboard for its handling Dec. 28, 1993
5265956 Bone cement mixing and loading apparatus Nov. 30, 1993
4750647 Non-aerosol dispenser Jun. 14, 1988
4674658 Fluid dispenser Jun. 23, 1987
4579153 Drop dispenser Apr. 1, 1986
4175597 Irrigation solution device Nov. 27, 1979

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