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Class Information
Number: 222/384
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) > Container-mounted pump > With piston holding means
Description: Dispensers under subclasses 383.1+ in which means is provided for holding or preventing motion of the pump or pulsator piston.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7562794 |
Pump with pressure-indication means |
Jul. 21, 2009 |
| 7549599 |
Device for dispensing a viscous fluid product in a pattern |
Jun. 23, 2009 |
| 7389893 |
Inverted dispensing pump |
Jun. 24, 2008 |
| 7299949 |
Discharge device for manually producing a volume flow |
Nov. 27, 2007 |
| 7219817 |
Fluid slug launcher |
May. 22, 2007 |
| 6817489 |
Fluid dispenser device |
Nov. 16, 2004 |
| 6729502 |
Self-contained viscous liquid dispenser |
May. 4, 2004 |
| 6726064 |
Pump for dispensing a substance, in particular a cosmetic or a care product |
Apr. 27, 2004 |
| 6712244 |
Dispensing device |
Mar. 30, 2004 |
| 6695171 |
Pump dispenser |
Feb. 24, 2004 |
| 6626330 |
Media dispenser |
Sep. 30, 2003 |
| 6604656 |
Safety lock ring structure of a dispenser pump |
Aug. 12, 2003 |
| 6543649 |
Child-resistant liquid dispenser |
Apr. 8, 2003 |
| 6457356 |
Piston pump elevator having fluid level measurement capabilty |
Oct. 1, 2002 |
| 6364166 |
Dispenser with manually operable discharge device |
Apr. 2, 2002 |
| 6357629 |
Waterproof mechanism for emulsion dispensing pump |
Mar. 19, 2002 |
| 6308865 |
Container-mounted pump means with external restoring spring |
Oct. 30, 2001 |
| 6286723 |
Self-resetting child-resistant trigger sprayer |
Sep. 11, 2001 |
| 6283332 |
Fluid substance dispenser with easily disengagable snap-locking elements |
Sep. 4, 2001 |
| 6082888 |
Constant rate discharge apparatus and constant rate discharge method |
Jul. 4, 2000 |
| 6065647 |
Pump dispenser having a locking system with detents |
May. 23, 2000 |
| 6006950 |
Pump dispenser with rotatable nozzle trigger lock |
Dec. 28, 1999 |
| 6003738 |
Child-resistant rotating lock for manually operated pump dispenser |
Dec. 21, 1999 |
| 5984151 |
Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes |
Nov. 16, 1999 |
| 5975370 |
Tamper-evident plunger-hold-down attachment for pump dispenser |
Nov. 2, 1999 |
| 5975376 |
Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes |
Nov. 2, 1999 |
| 5918774 |
Combined lock and anti-clog feature for spray package |
Jul. 6, 1999 |
| 5899363 |
Pump dispenser having a locking system with detents |
May. 4, 1999 |
| 5890632 |
Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes |
Apr. 6, 1999 |
| 5839621 |
Pump dispenser |
Nov. 24, 1998 |
| 5829640 |
Dispensing pump |
Nov. 3, 1998 |
| 5823395 |
Child-resistant pump dispenser |
Oct. 20, 1998 |
| 5823396 |
Child-resistant latch for trigger sprayer |
Oct. 20, 1998 |
| 5816447 |
Non-aerosol pump spray apparatus |
Oct. 6, 1998 |
| 5749501 |
Shroud and skeletal body for trigger sprayer |
May. 12, 1998 |
| 5715973 |
Manually operated fluid pump for dispensing lotion and the like |
Feb. 10, 1998 |
| 5662271 |
Atomizing devices and methods |
Sep. 2, 1997 |
| 5615806 |
Plunger lock-up dispenser |
Apr. 1, 1997 |
| 5560545 |
Dual in-line trigger sprayer |
Oct. 1, 1996 |
| 5549223 |
Pump with back suction phase |
Aug. 27, 1996 |
| 5524793 |
Dispensing pump which is lockable and sealable for transporation and storage |
Jun. 11, 1996 |
| 5497944 |
Atomising devices and methods |
Mar. 12, 1996 |
| 5497915 |
Dispenser pumps |
Mar. 12, 1996 |
| 5443569 |
Foam dispensing pump container |
Aug. 22, 1995 |
| 5409146 |
Dispensing pump with positive shut-off |
Apr. 25, 1995 |
| 5401148 |
Manually operated reciprocating liquid pump |
Mar. 28, 1995 |
| 5335830 |
Pump dispenser for lotions and/or large doses of product |
Aug. 9, 1994 |
| 5271530 |
Foam dispensing pump container |
Dec. 21, 1993 |
| 5207359 |
Tamper evident cover for sprayer nozzle |
May. 4, 1993 |
| 5158211 |
Fluid dispensing unit retainer |
Oct. 27, 1992 |
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