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Class Information
Number: 222/256
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Plural > Follower combined with casing enclosed impeller
Description: Dispensers having two discharge assistants, one being a follower and one being a casing enclosed impeller (such as a pump or a pulsator).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7578319 |
Fluid dispenser and a method of assembling such a dispenser |
Aug. 25, 2009 |
| 7523843 |
Grease gun |
Apr. 28, 2009 |
| 7484642 |
Dispenser |
Feb. 3, 2009 |
| 7455196 |
Support apparatus for a manual grease gun |
Nov. 25, 2008 |
| 7431181 |
Fluid-dispensing pump and container provided therewith |
Oct. 7, 2008 |
| 7377406 |
Two stage grease gun |
May. 27, 2008 |
| 7337927 |
Two stage grease gun |
Mar. 4, 2008 |
| 7306123 |
Fluid discharge pump and fluid container |
Dec. 11, 2007 |
| 7267198 |
Portable electric grease gun |
Sep. 11, 2007 |
| 7156262 |
Sanitary fill valve assembly with adjustable flow regulator |
Jan. 2, 2007 |
| 7008433 |
Vertebroplasty injection device |
Mar. 7, 2006 |
| 7004357 |
Grease gun |
Feb. 28, 2006 |
| 6962273 |
Cylinder and valve structures for liquid-dispensing containers |
Nov. 8, 2005 |
| 6892901 |
Sauce pumping apparatus |
May. 17, 2005 |
| 6854622 |
Dispensing pump accessories for preventing the ingress of air and for aiding in alignment |
Feb. 15, 2005 |
| 6712243 |
Diaphragm pump |
Mar. 30, 2004 |
| 6666356 |
Grease gun with a rotary oil injection tube |
Dec. 23, 2003 |
| 6659309 |
Portion control dispenser |
Dec. 9, 2003 |
| 6651849 |
Dispensing apparatus including a pump package system |
Nov. 25, 2003 |
| 6585135 |
Anti-reverse structure of a continuous pneumatic oil feeding gun |
Jul. 1, 2003 |
| 6571973 |
Cup lid with cooling spillover chamber |
Jun. 3, 2003 |
| 6550643 |
Dispenser for viscous fluids |
Apr. 22, 2003 |
| 6460734 |
Dispensing apparatus including a pump package system |
Oct. 8, 2002 |
| 6382472 |
Viscous fluid dispenser |
May. 7, 2002 |
| 6375045 |
Airless type dispenser |
Apr. 23, 2002 |
| 6302304 |
Dispensing systems |
Oct. 16, 2001 |
| 6290106 |
Angle adjustable grease dispensing gun |
Sep. 18, 2001 |
| 6206242 |
Pot with a flexible storage barrel and follow-up plate |
Mar. 27, 2001 |
| 6047862 |
Dispenser for dispensing viscous fluids |
Apr. 11, 2000 |
| 5950880 |
Set of components for assembly as a dispensing package of the non-vented type having a take-up piston |
Sep. 14, 1999 |
| 5918702 |
High efficiency grease gun with sealed grease barrel grease-self-absorption |
Jul. 6, 1999 |
| 5913455 |
Apparatus for rapid dispensing of minute quantities of viscous material |
Jun. 22, 1999 |
| 5884818 |
Grease gun |
Mar. 23, 1999 |
| 5850938 |
System and method for storing compounds |
Dec. 22, 1998 |
| 5842611 |
Dispensing device |
Dec. 1, 1998 |
| 5842605 |
Resuable dispenser for paste, lotion and cream-like materials |
Dec. 1, 1998 |
| 5842603 |
Postmix juice dispenser |
Dec. 1, 1998 |
| 5823394 |
Dispensing device for two fluid materials |
Oct. 20, 1998 |
| 5772079 |
Device for packaging and dispensing a liquid or semi-liquid substance |
Jun. 30, 1998 |
| 5697529 |
Refillable packaging |
Dec. 16, 1997 |
| 5673821 |
Dispensing device for two fluid materials |
Oct. 7, 1997 |
| 5568883 |
Apparatus for dispensing two flowable substances in a user selectable ratio |
Oct. 29, 1996 |
| 5494193 |
Postmix beverage dispensing system |
Feb. 27, 1996 |
| 5361944 |
Device for the conditioning and the distribution of pasty or liquid products |
Nov. 8, 1994 |
| 5343982 |
Grease pump |
Sep. 6, 1994 |
| 5305923 |
Postmix beverage dispensing system |
Apr. 26, 1994 |
| 5277339 |
Dual mode pistol-grip grease gun |
Jan. 11, 1994 |
| 5260062 |
Anti-plaque and anti-tartar dentifrices in plastic pump dispensers |
Nov. 9, 1993 |
| 5199614 |
Grease gun auto-pull follower apparatus |
Apr. 6, 1993 |
| 5190191 |
Apparatus for measured and unmeasured dispensing of viscous fluids |
Mar. 2, 1993 |
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