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Class Information
Number: 417/435
Name: Pumps > Including separate port on noncyclic valve for venting or filling pump portion
Description: Apparatus in which the pump fluid is liquid, the pump including port or valve other than the ports or valves necessary to the normal operation of pump, said port or valve being positioned in the pump chamber or pump fluid conduit to permit the escape of gases from the pump or conduit or to permit the filling of the pump or conduit with liquid for priming purposes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7410348 |
Multi-speed compressor/pump apparatus |
Aug. 12, 2008 |
| 7097435 |
Device for draining and recharging a hermetic compressor with oil |
Aug. 29, 2006 |
| 7029248 |
Device for venting a pump unit |
Apr. 18, 2006 |
| 7011505 |
Pump system with vacuum source |
Mar. 14, 2006 |
| 6984113 |
Oil pressure operated pump for marine steering gears with a valve set shell with valves separately capable of assembly with the valve housing |
Jan. 10, 2006 |
| 6846166 |
Reciprocating diaphragm pump with degassing valves |
Jan. 25, 2005 |
| 6837692 |
Self-priming centrifugal pump with internal series of diffusers and impellers and laminar valve |
Jan. 4, 2005 |
| 6823686 |
Pressure equalization system and method |
Nov. 30, 2004 |
| 6779608 |
Surface pump assembly |
Aug. 24, 2004 |
| 6726458 |
High pressure pump with filler plug |
Apr. 27, 2004 |
| 6691730 |
Inflatable pad with a built-in pump |
Feb. 17, 2004 |
| 6595758 |
Method for conveying damp gases by means of a conveyor device and a conveyor device for carrying out said method |
Jul. 22, 2003 |
| 6584791 |
Pressure equalization system and method |
Jul. 1, 2003 |
| 6398508 |
Control switch assembly for an air pump |
Jun. 4, 2002 |
| 6254363 |
Liquid colorant tube assembly |
Jul. 3, 2001 |
| 6238191 |
Apparatus for supplying a fuel by means of a fuel supply unit arranged in a housing |
May. 29, 2001 |
| 6234168 |
Dosimeter |
May. 22, 2001 |
| 6186746 |
Fuel delivery pump for a fuel injection pump for internal combustion engines |
Feb. 13, 2001 |
| 6187179 |
Outside filter, in particular for aquarium |
Feb. 13, 2001 |
| 6129523 |
Air purging circulator |
Oct. 10, 2000 |
| 6012904 |
Vented fuel module reservoir with two-stage pump |
Jan. 11, 2000 |
| 6003167 |
Apparatus for eliminating gas from a fluid piping system |
Dec. 21, 1999 |
| 5983922 |
Instantaneous hot-water delivery system |
Nov. 16, 1999 |
| 5873709 |
Device for producing compressed air for various uses |
Feb. 23, 1999 |
| 5868550 |
Pump assembly |
Feb. 9, 1999 |
| 5846063 |
Miniature universal pump and valve for inflatable liners |
Dec. 8, 1998 |
| 5823169 |
Aggregate for feeding fuel from supply tank to internal combustion engine |
Oct. 20, 1998 |
| 5809866 |
Method and apparatus for venting air from the crank case of a compressor |
Sep. 22, 1998 |
| 5713723 |
Volumetric hand pump |
Feb. 3, 1998 |
| 5660533 |
Vacuum assisted priming and cooling system for a pump |
Aug. 26, 1997 |
| 5655892 |
Thermally actuated fuel pump vapor vent valve |
Aug. 12, 1997 |
| 5593288 |
Liquefied gas pump |
Jan. 14, 1997 |
| 5540569 |
Multiple-chamber gear pump for ink jet printing |
Jul. 30, 1996 |
| 5513959 |
Valve for pump with priming circuit |
May. 7, 1996 |
| 5476370 |
Oil pump subject to pumping a two phase flow |
Dec. 19, 1995 |
| 5466131 |
Multiple-chamber gear pump with hydraulically connected chambers |
Nov. 14, 1995 |
| 5435701 |
Pump with medium tight shell and venting means |
Jul. 25, 1995 |
| 5356274 |
Supplying self-suction unit |
Oct. 18, 1994 |
| 5352096 |
Air compressor for automobiles |
Oct. 4, 1994 |
| 5263459 |
Fuel delivery with self-priming fuel pump |
Nov. 23, 1993 |
| 5257911 |
Windscreen washer pump provided with level sensing device |
Nov. 2, 1993 |
| 5239957 |
Two cycle engine for small boat |
Aug. 31, 1993 |
| 5222877 |
Motor-compressor unit |
Jun. 29, 1993 |
| 5209653 |
Vacuum pump |
May. 11, 1993 |
| 5203682 |
Inclined pressure boost pump |
Apr. 20, 1993 |
| 5199857 |
Dual plunger pump system |
Apr. 6, 1993 |
| 5195876 |
Plunger pump |
Mar. 23, 1993 |
| 5174732 |
Viscous fluid pressure-feed apparatus |
Dec. 29, 1992 |
| 5165877 |
Vacuum pump for use with a poolside skimmer |
Nov. 24, 1992 |
| 5137061 |
Fluid-delivering system |
Aug. 11, 1992 |
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