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Class Information
Number: 222/420
Name: Dispensing > Drop formers
Description: Dispensing devices specially designed to dispense flowable materials in the form of drops.










Sub-classes under this class:

Class Number Class Name Patents
222/421 Grooved closure and/or container neck or outlet 14
222/422 With valve 45


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8690025 Dispensing container Apr. 8, 2014
8616418 Liquid dispensing device equipped with a sealing component Dec. 31, 2013
8617406 Device for the actively-controlled and localized deposition of at least one biological solution Dec. 31, 2013
8609422 Method and apparatus for sorting particles Dec. 17, 2013
8586890 Methods of separating, identifying and dispensing specimen and device therefor, and analyzing device method Nov. 19, 2013
8561859 Dispensing device Oct. 22, 2013
8524173 Microchannel structure and fine-particle production method using the same Sep. 3, 2013
8517222 Device for dispensing a liquid in a tank Aug. 27, 2013
8448818 Drop forming discharge device having collision member and method of using same May. 28, 2013
8444610 Assembly for conditioning and dispensing a medical liquid May. 21, 2013
8403176 Controlled drop dispensing container Mar. 26, 2013
8336735 Dropper for use at night or in other low-light conditions Dec. 25, 2012
8328775 Metered drop bottle for dispensing microliter amounts of a liquid in the form of a drop Dec. 11, 2012
8287505 Ophthalmic drop dispensing tip assembly Oct. 16, 2012
8257779 Viscous material noncontact jetting system Sep. 4, 2012
8206362 Device for administering eye drops Jun. 26, 2012
8171798 Acoustic liquid dispensing apparatus May. 8, 2012
8123083 Bottle for forming and safely housing elemental iodine and dispensing attachments Feb. 28, 2012
7971753 Container with a filter Jul. 5, 2011
7971755 Container for packaging a liquid to be dispensed in drops, reversibly deformed by air input Jul. 5, 2011
7955864 Device and method for making discrete volumes of a first fluid in contact with a second fluid, which are immiscible with each other Jun. 7, 2011
7931869 Device for dosage of substances Apr. 26, 2011
7915562 High energy density beam welding system using molten metal droplet jetting Mar. 29, 2011
7837069 Dropper for use at night or in other low-light conditions Nov. 23, 2010
7832594 Liquid storage container with bottom filter Nov. 16, 2010
7815798 Discrete drop dispensing device and method of use Oct. 19, 2010
7758553 Drop dispenser for the delivery of uniform droplets of viscous liquids Jul. 20, 2010
7677482 Electric charge concentration type droplet dispensing device having nonconductive capillary nozzle Mar. 16, 2010
7648052 Viscous medium feeder Jan. 19, 2010
7635070 Dropper bottle and accessories therefor Dec. 22, 2009
7503909 Instillation container with level-difference portion Mar. 17, 2009
7438704 Open instillation container and method of manufacturing the container Oct. 21, 2008
7426866 Acoustic liquid dispensing apparatus Sep. 23, 2008
7380729 Dispensing method Jun. 3, 2008
7331944 Ophthalmic dispenser and associated method Feb. 19, 2008
7325708 Ocular positioning droplet dispensing device with a recessed dispensing orifice Feb. 5, 2008
7322230 Runoff rain gauge Jan. 29, 2008
7316336 Quantitative dosing of small amounts of liquids Jan. 8, 2008
7311228 Liquid crystal dispensing apparatus Dec. 25, 2007
7279135 Probe for providing micro liquid drops Oct. 9, 2007
7258253 Method and system for precise dispensation of a liquid Aug. 21, 2007
7204581 Magnetic actuator using ferrofluid slug Apr. 17, 2007
7191916 Device for dispensing fluid medicine Mar. 20, 2007
7182106 Fluid dispensation method Feb. 27, 2007
7178703 Autoclaveable small-volume dropper bottle Feb. 20, 2007
7175057 Dropper bottle Feb. 13, 2007
7165701 Droplet nozzle for use in eye drop container Jan. 23, 2007
7066021 Runoff rain gauge Jun. 27, 2006
7063241 Dispensing tip Jun. 20, 2006
6918309 Sample deposition method and system Jul. 19, 2005

1 2 3 4 5 6










 
 
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