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Class Information
Number: 222/375
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > With material supply container and discharge assistant with casing (e.g., supply container and pump) > With antileak or antisiphon means or full-stroke mechanism
Description: Dispensers having (1) means to prevent leakage from the discharge passage, (2) means to prevent siphoning following operation of the discharge assistant and (3) means to insure a full stroke of the pump mechanism.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7040223 |
Stencil printing ink container, stencil printing ink cartridge, method of manufacturing the ink cartridge, and inner plug for the ink container |
May. 9, 2006 |
| 6712244 |
Dispensing device |
Mar. 30, 2004 |
| 6641000 |
Fuel conduction system |
Nov. 4, 2003 |
| 6422434 |
Dispenser pumps |
Jul. 23, 2002 |
| 5897031 |
Dispenser for antimicrobial liquids |
Apr. 27, 1999 |
| 5829640 |
Dispensing pump |
Nov. 3, 1998 |
| 5687877 |
Pump dispenser having moveable outlet check valve element |
Nov. 18, 1997 |
| 5638991 |
Bottled water pumping and dispensing apparatus |
Jun. 17, 1997 |
| 5439141 |
Dual liquid spraying system |
Aug. 8, 1995 |
| 5409146 |
Dispensing pump with positive shut-off |
Apr. 25, 1995 |
| 5353969 |
Invertible pump sprayer having spiral vent path |
Oct. 11, 1994 |
| 5305916 |
Drip free, volume-adjustable, automatic liquid dispenser |
Apr. 26, 1994 |
| 5267676 |
Liquid dispenser for use with washing machine |
Dec. 7, 1993 |
| 5234135 |
Device for spraying or dispensing fluid product in which product contained in the outlet passage is aspirated at the end of actuation |
Aug. 10, 1993 |
| 5129551 |
Automatic dispensing system for liquids |
Jul. 14, 1992 |
| 4883202 |
Liquid pumping system |
Nov. 28, 1989 |
| 4671429 |
Method and apparatus for volumetric dosing viscous products |
Jun. 9, 1987 |
| 4646969 |
Double acting mechanical pump liquid atomizer |
Mar. 3, 1987 |
| 4605297 |
Method of and apparatus for controlling the application of processing fluid |
Aug. 12, 1986 |
| 4588109 |
Adhesive supplying system |
May. 13, 1986 |
| 4567908 |
Discharge system and method of operating same |
Feb. 4, 1986 |
| 4493440 |
Wall-mounted soap dispenser |
Jan. 15, 1985 |
| 4463881 |
Injector for molding hardenable liquid precursors |
Aug. 7, 1984 |
| 4358027 |
Liquid dispenser apparatus |
Nov. 9, 1982 |
| 4186852 |
Apparatus for melting and extruding thermofusible material |
Feb. 5, 1980 |
| 4017031 |
Miniature atomizer of manual type |
Apr. 12, 1977 |
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